Summer Camp 2023
We make science camps fun! YSI summer camp culture is infused with games that foster social skills and playful science camp activities that bring YSI summer camp spirit to life! Our summer science camps incorporate hiking, games, and arts & crafts and feature special programs with our live animal ambassadors.
Most importantly, our exceptional summer camp staff make our summer camps unique. We carefully screen and interview to get high-quality summer camp staff. Our team includes passionate college students, classroom teachers, and full-time YSI educators. Our summer camp staff receives training to ensure child safety, content knowledge, and customer service. Our staff are trained in CPR and first aid. Additionally, all staff are also trained on state and county protocols for COVID-19. The COVID-19 vaccination is required for all YSI Camp Staff. Our summer camp group sizes maintain a ratio of 1:7 for most camps, while fishing and biking camps maintain a 1:5 ratio, and Extended Day Camp maintains a 1:10 ratio.
We are also happy to announce the return of our Extended Day Camp for 2023 for grades first through sixth! Hours are 1:00pm-5:30pm daily. If you have questions or need assistance, please email camp@ysi-ca.org or call 408-356-4945 x 10.
Most importantly, our exceptional summer camp staff make our summer camps unique. We carefully screen and interview to get high-quality summer camp staff. Our team includes passionate college students, classroom teachers, and full-time YSI educators. Our summer camp staff receives training to ensure child safety, content knowledge, and customer service. Our staff are trained in CPR and first aid. Additionally, all staff are also trained on state and county protocols for COVID-19. The COVID-19 vaccination is required for all YSI Camp Staff. Our summer camp group sizes maintain a ratio of 1:7 for most camps, while fishing and biking camps maintain a 1:5 ratio, and Extended Day Camp maintains a 1:10 ratio.
We are also happy to announce the return of our Extended Day Camp for 2023 for grades first through sixth! Hours are 1:00pm-5:30pm daily. If you have questions or need assistance, please email camp@ysi-ca.org or call 408-356-4945 x 10.
Following All State and County Guidelines
An Unforgettable Experience With Nature
Friendly Hiking With Each for In-Person Camps
Science Education With Every Summer Camp
Located in Beautiful Vasona Lake County Park
Science Program Experts Since 1953
Summer Science Camps run from June 12-August 11
Early Registration & Multi Session Discounts
SELECT YOUR CHILD'S GRADE LEVEL FOR THE 2023-2024 SCHOOL YEAR
(Science camp weeks sold separately)
(Science camp weeks sold separately)
Investigators Camp: $276
Take a deeper look at some of the invisible forces that act on the world around you with hands-on science! Join fellow campers as we investigate the sound, the power of magnetic fields, and buoyancy through scientific experimentation. Meet an isopod and learn the important role they play in keeping the environment in balance.
Currently On Waitlist: June 26-30 and July 24-28.
Location: Vasona Lake County Park (333 Blossom Hill Rd., Los Gatos, California 95032)
June 26-30July 24-28Currently On Waitlist: June 26-30 and July 24-28.
Location: Vasona Lake County Park (333 Blossom Hill Rd., Los Gatos, California 95032)
Discovery Camp: $276
Come join the fun and discover the facts behind many natural wonders using hands-on science. How do birds fly? Why do animals move the way they do? Are there different ways to make bubbles? Discover the science behind these questions and more through your journey through YSI Discovery Camp.
Currently On Waitlist: June 19-23 and July 17-21.
Location: Vasona Lake County Park (333 Blossom Hill Rd., Los Gatos, California 95032)
June 19-23July 17-21Currently On Waitlist: June 19-23 and July 17-21.
Location: Vasona Lake County Park (333 Blossom Hill Rd., Los Gatos, California 95032)
Curiosity Camp: $276
Practice basic botany, take a closer look at worms, and learn about bees! Actively experiment with solids and liquids to learn more about the states of matter. Let your curiosity run wild with hands-on science activities, crafts, and guided exploration.
Note: July 5-8 week is $192 and only a 4-day week due to July 4th holiday weekend.
Location: Vasona Lake County Park (333 Blossom Hill Rd., Los Gatos, California 95032)
July 10-14Note: July 5-8 week is $192 and only a 4-day week due to July 4th holiday weekend.
Location: Vasona Lake County Park (333 Blossom Hill Rd., Los Gatos, California 95032)
Explorers Camp: $276
Delve into the world of energy by experimenting with sound and motion. Make musical instruments and do hands-on experiments demonstrating how sound travels. Meet a toad and analyze the difference between living and non-living things. It’s time to examine, experiment, and explore!
*Note: July 3-7 week is $221.00 and only a 4-day week due to July 4th holiday. There is no camp on Tuesday, July 4th.
Currently On Waitlist: July 31-August 4.
Location: Vasona Lake County Park (333 Blossom Hill Rd., Los Gatos, California 95032)
July 3-7*July 31-August 4*Note: July 3-7 week is $221.00 and only a 4-day week due to July 4th holiday. There is no camp on Tuesday, July 4th.
Currently On Waitlist: July 31-August 4.
Location: Vasona Lake County Park (333 Blossom Hill Rd., Los Gatos, California 95032)
Questers Camp: $276
Begin to develop skills used by scientists. Learn different ways to categorize what is around us, and then sort items we find into categories. Learn about different mixtures - can colors be mixed? How about oil and water? Learn about different types of rocks and how to sort them into different categories (now that you’re an expert at sorting!). What is wind, what’s in the wind? And how do plants use the wind to their advantage? Learn about evaporation, make a cloud, and more!
Currently On Waitlist: June 12-16.
Location: Vasona Lake County Park (333 Blossom Hill Rd., Los Gatos, California 95032)
June 12-16August 7-11Currently On Waitlist: June 12-16.
Location: Vasona Lake County Park (333 Blossom Hill Rd., Los Gatos, California 95032)
Feathers, Fur, and Scales: $391
Dive into zoology with YSI! We will actively investigate different kinds of animals from head to toe, and from the inside out. Examine bones, fur, feathers, claws, teeth, scales, and skeletons to learn more about animal adaptations. Together we will meet YSI’s live animals and get an up-close look at how these animals are built for survival.
Currently On Waitlist: June 12-16, June 19-23, July 10-14, July 17-21, and July 24-28.
Location: Vasona Lake County Park (333 Blossom Hill Rd., Los Gatos, California 95032)
June 12-16June 19-23July 10-14July 17-21July 24-28Currently On Waitlist: June 12-16, June 19-23, July 10-14, July 17-21, and July 24-28.
Location: Vasona Lake County Park (333 Blossom Hill Rd., Los Gatos, California 95032)
Radical Reptiles: $391
During the week, campers will have the chance to meet and touch YSI’s wide variety of live reptiles. Take an up-close look at reptilian anatomy as we learn the proper techniques scientists use to examine skeletons, skins, shells, and fossils.
Currently On Waitlist: June 12-16, June 26-30, July 10-14, and August 7-11.
Location: Vasona Lake County Park (333 Blossom Hill Rd., Los Gatos, California 95032)
June 12-16June 26-30July 10-14August 7-11Currently On Waitlist: June 12-16, June 26-30, July 10-14, and August 7-11.
Location: Vasona Lake County Park (333 Blossom Hill Rd., Los Gatos, California 95032)
Nature Sleuths: $324
Learn to use your senses and the tools of a scientist to look more deeply into the mystery of the world around us. YSI’s favorite camp mascot, Peppermint Bob, will help us understand scents and the sense of smell while more activities explore other senses. Experience the scientific method with a simple chemical experiment. Learn to take fingerprints and follow a footprint trail. Decode a message and later transform yourself into a world-class detective! Finally, campers will combine their knowledge and apply these tools and insights to solve a natural mystery.
Location: Vasona Lake County Park (333 Blossom Hill Rd., Los Gatos, California 95032)
This camp is currently full. Join waitlist for June 21-25 or August 2-6.
Location: Vasona Lake County Park (333 Blossom Hill Rd., Los Gatos, California 95032)
This camp is currently full. Join waitlist for June 21-25 or August 2-6.
Chemistry and Physics Jr: $391
Microscopes, lab coats, and test tubes, oh my! Prepare yourself for a week of experimentation and creation. Learn about bonds as you make slime and create rocket power! Find out what molecules have to do with properties and scent. Let your curiosity run wild!
Note: July 3-7 week is $313.00 and only a 4-day week due to July 4th holiday. There is no camp on Tuesday, July 4th.
Currently On Waitlist: June 19-23, July 3-7, July 17-21, and July 31-August 4.
Location: Vasona Lake County Park (333 Blossom Hill Rd., Los Gatos, California 95032)
June 19-23July 3-7*July 17-21July 31-August 4Note: July 3-7 week is $313.00 and only a 4-day week due to July 4th holiday. There is no camp on Tuesday, July 4th.
Currently On Waitlist: June 19-23, July 3-7, July 17-21, and July 31-August 4.
Location: Vasona Lake County Park (333 Blossom Hill Rd., Los Gatos, California 95032)
Water World: $391
Conduct hands-on investigation of the properties of water by dropping, spraying, heating, freezing, and mixing it. Explore the local watershed and meet live aquatic animals. Campers will develop a better understanding of water as both a liquid and as an ecosystem.
Currently On Waitlist: June 26-30, July 3-7, July 24-28, and August 7-11.
Location: Vasona Lake County Park (333 Blossom Hill Rd., Los Gatos, California 95032)
June 26-30July 3-7*July 24-28July 31-August 4August 7-11Currently On Waitlist: June 26-30, July 3-7, July 24-28, and August 7-11.
Location: Vasona Lake County Park (333 Blossom Hill Rd., Los Gatos, California 95032)
Bike Hike $414
Biology and ecology are as easy as riding a bike! Practice and improve your riding skills, learn trail etiquette, and bicycle safety. Delve into the mechanics of various bike parts with hands-on experiments. Participants must bring their own helmet and two-wheel bicycle (no training wheels) and be comfortable riding. YSI cannot provide overnight bike storage.
*Note: July 3-7 week is $331.00 and only a 4-day week due to July 4th holiday. There is no camp on Tuesday, July 4th.
Currently On Waitlist: June 19-23.
Location: Vasona Lake County Park (333 Blossom Hill Rd., Los Gatos, California 95032
June 19-23July 3-7*July 24-28*Note: July 3-7 week is $331.00 and only a 4-day week due to July 4th holiday. There is no camp on Tuesday, July 4th.
Currently On Waitlist: June 19-23.
Location: Vasona Lake County Park (333 Blossom Hill Rd., Los Gatos, California 95032
Vast Voyagers: $391
Send your child blasting into space with this week-long program! We will discover the many differences and similarities between the planets in our solar system plus their moons. We will also talk about many different galaxies, the ingredients of a star, and so much more during this fun-filled voyage together. Plus, your child will do many hands-on projects that they will bring home to share with you. It'll be a blast-off!
Currently On Waitlist: June 26-30.
Location: Vasona Lake County Park (333 Blossom Hill Rd., Los Gatos, California 95032
June 26-30Currently On Waitlist: June 26-30.
Location: Vasona Lake County Park (333 Blossom Hill Rd., Los Gatos, California 95032
Groovy Gardening $391
Do you have a love for gardening and want to learn some tricks of the trade? YSI has you covered! Spend the week with us and get your hands dirty while gaining some knowledge of horticulture science!
Currently On Waitlist: June 12-16.
Location: Vasona Lake County Park (333 Blossom Hill Rd., Los Gatos, California 95032)
June 12-16Currently On Waitlist: June 12-16.
Location: Vasona Lake County Park (333 Blossom Hill Rd., Los Gatos, California 95032)
Fishy Fun $414
Explore our watershed and examine how its health affects the fish that live there. Learn special traits that our aquatic friends possess to survive and thrive in the water. Learn how to fish, fishing safety and etiquette, and then go fishing! YSI provides fishing poles & bait, so grab your hat and sunglasses and get ready to go fishing!
*Note: July 3-7 week is $331.00 and only a 4-day week due to July 4th holiday. There is no camp on Tuesday, July 4th.
Currently On Waitlist: June 12-16 and August 7-11.
Location: Vasona Lake County Park (333 Blossom Hill Rd., Los Gatos, California 95032)
June 12-16July 3-7*July 24-28August 7-11*Note: July 3-7 week is $331.00 and only a 4-day week due to July 4th holiday. There is no camp on Tuesday, July 4th.
Currently On Waitlist: June 12-16 and August 7-11.
Location: Vasona Lake County Park (333 Blossom Hill Rd., Los Gatos, California 95032)
Chemistry and Physics $391
Unlock the secrets to the physical realm with physics! Discover the principles of physics while making music, creating and flying airplanes and rockets, and conducting experiments with magnetism, electricity, light, and more.
Currently On Waitlist: June 26-30, July 10-14, and August 7-11.
Location: Vasona Lake County Park (333 Blossom Hill Rd., Los Gatos, California 95032)
June 26-30July 10-14August 7-11Currently On Waitlist: June 26-30, July 10-14, and August 7-11.
Location: Vasona Lake County Park (333 Blossom Hill Rd., Los Gatos, California 95032)
Predator vs. Prey $391
Do all insects bite? Are all spiders dangerous? Is every snake venomous? Let's' talk about it! This week, YSI will teach you about each group of animals while discussing which animals are safe, and which ones aren't. You'll also learn the difference between predators and prey, and meet live animals each day to discuss which group you think they fall under based on natural and scientific evidence you gather!
Currently On Waitlist: July 17-21 and July 31-August 4.
Location: Vasona Lake County Park (333 Blossom Hill Rd., Los Gatos, California 95032)
July 17-21July 31-August 4Currently On Waitlist: July 17-21 and July 31-August 4.
Location: Vasona Lake County Park (333 Blossom Hill Rd., Los Gatos, California 95032)
Bike Explorers: $414
Explore our park and beyond on two wheels! Practice and improve your bike skills, learn how to keep your bike in good working order, and do some basic repairs while learning some biking physics. Participants must bring their own helmet and two-wheel bicycle with gears, and be comfortable riding up and down hills. YSI cannot provide overnight bike storage.
Currently On Waitlist: July31-August 4
Location: Vasona Lake County Park (333 Blossom Hill Rd., Los Gatos, California 95032)
June 12-16July 10-14July 31-August 4Currently On Waitlist: July31-August 4
Location: Vasona Lake County Park (333 Blossom Hill Rd., Los Gatos, California 95032)
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Sea-u-tiful Science : $391
Learn about the wonders of ocean habitats and the animals that call it home! Campers will spend the week focusing on a specific marine habitat like coral reefs, the deep ocean, and polar seas. They will be introduced to our animal ambassadors and learn about the particular adaptations their marine cousins would require. Campers will do activities that teach them about tides, and how currents are made, and make various crafts like a windsock squid and a model hydrothermal vent! They will also dissect squid and learn about the dynamics of how they survive! We can't wait to dive in together for a week of fun!
Location: Vasona Lake County Park (333 Blossom Hill Rd., Los Gatos, California 95032)
June 19-23July 17-21Location: Vasona Lake County Park (333 Blossom Hill Rd., Los Gatos, California 95032)
Something's Fishy: $414
Explore the aquatic environment and search the creek for critters. Dissect a fish and learn more about the unique adaptations that allow them to survive in water. Cast a line and go fishing in Vasona Lake! YSI provides the fishing poles & bait, so grab your hat & sunglasses and get ready to go fishing.
Currently On Waitlist: June 26-30.
Location: Vasona Lake County Park (333 Blossom Hill Rd., Los Gatos, California 95032)
June 26-30July 10-14July 17-21July 31-August 4Currently On Waitlist: June 26-30.
Location: Vasona Lake County Park (333 Blossom Hill Rd., Los Gatos, California 95032)
Wildlife Wonders $391
Actively investigate animal bodies and behaviors with art, experiments, and games. Meet live animals, handle specimens, and learn to identify adaptations that help species survive. It’s going to be a wildly wonderful week of wildlife!
Location: Vasona Lake County Park (333 Blossom Hill Rd., Los Gatos, California 95032)
June 19-23July 24-28August 7-11Location: Vasona Lake County Park (333 Blossom Hill Rd., Los Gatos, California 95032)
Geology Rocks! $313
Learn about the study of our beautiful planet Earth and its many natural wonders! This week, we will explore a variety of topics that cover our most important problems, from energy, water, and mineral resources; the environment; climate change; and natural hazards like landslides, earthquakes, volcanoes, and floods. Join us on this wonderful exploration, and leave your week as an experienced Geologist!
*Note: July 3-7 week is $313.00 and only a 4-day week due to July 4th holiday. There is no camp on Tuesday, July 4th.
Location: Vasona Lake County Park (333 Blossom Hill Rd., Los Gatos, California 95032)
July 3-7**Note: July 3-7 week is $313.00 and only a 4-day week due to July 4th holiday. There is no camp on Tuesday, July 4th.
Location: Vasona Lake County Park (333 Blossom Hill Rd., Los Gatos, California 95032)
Geology - The Study of Earth: $299
Learn about the study of our beautiful planet Earth and its many natural wonders! During this week we will explore a variety of topics that cover our most important problems. From energy, water, and mineral resources; the environment; climate change; and natural hazards like landslides, volcanoes, earthquakes, and floods. Then we will evaluate how Earth's materials, structures, processes and organisms have changed over time from these natural events. Join us on this wonderful exploration, and end your week leaving as experienced Geologists!
Location: Vasona Lake County Park (333 Blossom Hill Rd., Los Gatos, California 95032)
Click available dates below to register online now!
You will be redirected to complete your payment and registration.
October 12 - 16Location: Vasona Lake County Park (333 Blossom Hill Rd., Los Gatos, California 95032)
Click available dates below to register online now!
You will be redirected to complete your payment and registration.
Vast Voyagers Space Program: $299
Send you child blasting into space with this week long program! We will discover the many differences and similarities between the planets in our solar system plus their moons. We will also talk about many different galaxies, the ingredients of a star, and so much more during this fun filled voyage together. Plus your child will do many hands- on projects that they will bring home to share with you. It'll be a blast off!
Location: Vasona Lake County Park (333 Blossom Hill Rd., Los Gatos, California 95032)
Click available dates below to register online now!
You will be redirected to complete your payment and registration.
November 2 - 6Location: Vasona Lake County Park (333 Blossom Hill Rd., Los Gatos, California 95032)
Click available dates below to register online now!
You will be redirected to complete your payment and registration.
Feathers, Fur, and Scales: $129
Dive into zoology with YSI! We will actively investigate different kinds of animals from head to toe, and from the inside out. Examine bones, fur, feathers, claws, teeth, scales, and skeletons to learn more about animal adaptations. Together we will meet YSI’s live animals and get an up-close look at how these animals are built for survival.
This is a 4 day week due to Veteran's Day on Wednesday.
Location: Vasona Lake County Park (333 Blossom Hill Rd., Los Gatos, California 95032)
Click available dates below to register online now!
You will be redirected to complete your payment and registration.
November 9 - 13This is a 4 day week due to Veteran's Day on Wednesday.
Location: Vasona Lake County Park (333 Blossom Hill Rd., Los Gatos, California 95032)
Click available dates below to register online now!
You will be redirected to complete your payment and registration.
Boomin Biomes: $149
Have you ever heard the word biome? Biomes are a community of plants and animals that have common characteristics for the environment they exist in. They can be found over a range of continents. Biomes are distinct biological communities that have formed in response to a shared physical climate.
During your week with YSI, you will learn all about the variety of natural habitats and the animals that live among them. You'll also talk about what key differences these animals have to help them survive in that specific biome that makes them so special! You'll have a boomin' time!
Design, build, and test different ideas to create robots that you can take home to share with your family! Robots can be extremely complex creations, but they can also be very simple! Our instructors will be working very closely with you to make some really awesome creations!
Location: Vasona Lake County Park (333 Blossom Hill Rd., Los Gatos, California 95032)
Click available dates below to register online now!
You will be redirected to complete your payment and registration.
November 16 - 20During your week with YSI, you will learn all about the variety of natural habitats and the animals that live among them. You'll also talk about what key differences these animals have to help them survive in that specific biome that makes them so special! You'll have a boomin' time!
Design, build, and test different ideas to create robots that you can take home to share with your family! Robots can be extremely complex creations, but they can also be very simple! Our instructors will be working very closely with you to make some really awesome creations!
Location: Vasona Lake County Park (333 Blossom Hill Rd., Los Gatos, California 95032)
Click available dates below to register online now!
You will be redirected to complete your payment and registration.
Rockin Robotics: $179
Design, build, and test different ideas to create robots that you can take home to share with your family! Robots can be extremely complex creations, but they can also be very simple! Our instructors will be working very closely with you to make some really awesome creations!
This is a 3 day program, due to the Thanksgiving Holiday.
Location: Vasona Lake County Park (333 Blossom Hill Rd., Los Gatos, California 95032)
Click available dates below to register online now!
You will be redirected to complete your payment and registration.
November 23 - 25This is a 3 day program, due to the Thanksgiving Holiday.
Location: Vasona Lake County Park (333 Blossom Hill Rd., Los Gatos, California 95032)
Click available dates below to register online now!
You will be redirected to complete your payment and registration.
Wild and Whacky Weather: $149
Have you looked outside lately and thought, Wow! This weather is Wild and Whacky! Well we did! So why not have a week long program to talk all about the good, the bad, and the ugly sides of weather! Plus, why not throw some hands-on projects in to keep it interesting? You'll leave YSI thunderstruck!
Location: Vasona Lake County Park (333 Blossom Hill Rd., Los Gatos, California 95032)
Click available dates below to register online now!
You will be redirected to complete your payment and registration.
December 7 - 11Location: Vasona Lake County Park (333 Blossom Hill Rd., Los Gatos, California 95032)
Click available dates below to register online now!
You will be redirected to complete your payment and registration.
Nocturnals in the Night: $149
Have you ever been out at night, and heard something moving in the trees, or seen something streak across the sky in a blur? Join YSI in discovering the many possibilities of what you could have seen! From bats, to possums, to owls, our instructors will teach you about all the native nocturnal animals you can find, and even some that are non-native. You might even get to meet some nocturnal animals in person, too!
Location: Vasona Lake County Park (333 Blossom Hill Rd., Los Gatos, California 95032)
Click available dates below to register online now!
You will be redirected to complete your payment and registration.
December 14 - 18Location: Vasona Lake County Park (333 Blossom Hill Rd., Los Gatos, California 95032)
Click available dates below to register online now!
You will be redirected to complete your payment and registration.
The Science of Magic: $179
Would you like to know some of the secrets of magic tricks? YSI has you covered, or uncovered rather! We will dig down and search for the mysteries behind the magic, and also learn some tricks of our own so you can take your knowledge home to impress your family!
This is a 3 day program, due to the Christmas Holiday.
Location: Vasona Lake County Park (333 Blossom Hill Rd., Los Gatos, California 95032)
Click available dates below to register online now!
You will be redirected to complete your payment and registration.
December 21 - 23This is a 3 day program, due to the Christmas Holiday.
Location: Vasona Lake County Park (333 Blossom Hill Rd., Los Gatos, California 95032)
Click available dates below to register online now!
You will be redirected to complete your payment and registration.
A Passion For Prehistorics: $179
Are you a fan of the old days? At YSI, we mean the OLD old days! Learn about dinosaurs, sabretooth tigers, and other prehistoric creatures, plus look at some awesome fossils! Make awesome crafts like an ice volcano, and you may even get the chance to test for fossils in a rock! We have a prehistoric passion, and so will you!
This is a 3 day program, due to the New Year's holiday week.
Location: Vasona Lake County Park (333 Blossom Hill Rd., Los Gatos, California 95032)
Click available dates below to register online now!
You will be redirected to complete your payment and registration.
December 28 - 30This is a 3 day program, due to the New Year's holiday week.
Location: Vasona Lake County Park (333 Blossom Hill Rd., Los Gatos, California 95032)
Click available dates below to register online now!
You will be redirected to complete your payment and registration.
Frequently Asked Questions
YSI Afternoon Science Programs will be from 1:00-5:00pm Monday through Friday. Each afternoon program will be a combination of 12 children going into grades 1-6.
Are there multi-session discounts?
10% OFF 3rd week plus all additional weeks. For Example: If you are registering your child for 4 (non-sequential) weeks, then the first 2 weeks will be full-priced science camps, and the following 2 weeks will be 10% off!
Are there multi-person discounts?
5% OFF all camp weeks for the 2nd child registered plus all additional children registered. For Example: If you are registering 4 children, the 1st child registered will have a full-priced science camp, & the following 3 registered will each have 5% off their science camps!
Is Financial Assistance offered?
Yes, there is. Click here to find the appropriate paperwork to submit.
Are there any YSI Summer Science Camp extensions available?
There are early-drop-off and extended-camp options to meet your scheduling needs! All of our summer camps for 1st grade and older have the option to add an Extended Day Camp that runs from 1:00pm - 5:30pm. The cost of this extended day is $139 per week.
For preschool and kindergarten aged science camps we offer an Extended Morning Camp that runs from 11:30am -1:00pm at $65 per week.
All camps also offer an Early Morning Drop-Off extension from 8:00am - 9:00am at $39 per week.
What ages can attend YSI Summer Science Camp?
YSI's Summer Science Camps are weekly, half-day camps that run from 9:00am-11:30am for our preschool and kindergarten camps, and from 9:00am-1:00pm for our campers entering 1st-6th grades. All preschool campers must have a birth date before January 1, 2020 and be able to use the restroom independently.
Where and when is YSI Summer Science Camp?
All YSI Summer Science Camps are located in beautiful Vasona Lake County Park with new sessions starting weekly from June 1st through August 14th.
Do you have an immunization policy?
Yes, we do. Click here to read our immunization policy.
Are there multi-session discounts?
10% OFF 3rd week plus all additional weeks. For Example: If you are registering your child for 4 (non-sequential) weeks, then the first 2 weeks will be full-priced science camps, and the following 2 weeks will be 10% off!
Are there multi-person discounts?
5% OFF all camp weeks for the 2nd child registered plus all additional children registered. For Example: If you are registering 4 children, the 1st child registered will have a full-priced science camp, & the following 3 registered will each have 5% off their science camps!
Is Financial Assistance offered?
Yes, there is. Click here to find the appropriate paperwork to submit.
Are there any YSI Summer Science Camp extensions available?
There are early-drop-off and extended-camp options to meet your scheduling needs! All of our summer camps for 1st grade and older have the option to add an Extended Day Camp that runs from 1:00pm - 5:30pm. The cost of this extended day is $139 per week.
For preschool and kindergarten aged science camps we offer an Extended Morning Camp that runs from 11:30am -1:00pm at $65 per week.
All camps also offer an Early Morning Drop-Off extension from 8:00am - 9:00am at $39 per week.
What ages can attend YSI Summer Science Camp?
YSI's Summer Science Camps are weekly, half-day camps that run from 9:00am-11:30am for our preschool and kindergarten camps, and from 9:00am-1:00pm for our campers entering 1st-6th grades. All preschool campers must have a birth date before January 1, 2020 and be able to use the restroom independently.
Where and when is YSI Summer Science Camp?
All YSI Summer Science Camps are located in beautiful Vasona Lake County Park with new sessions starting weekly from June 1st through August 14th.
Do you have an immunization policy?
Yes, we do. Click here to read our immunization policy.
Frequently Asked Questions
Is there a discount for early registration?
Yes, all registrations made before February 10, 2023, will qualify to receive $10.00 off their registration. Please use code EBD2023 at checkout to apply this discount.
Are there multi-session discounts?
10% off 3rd week plus all additional weeks. For Example: If you are registering your child for 4 (non-sequential) weeks, then the first two weeks will be full-priced science camps, and the following two weeks will be 10% off!
Are there multi-person discounts?
5% off all camp weeks for the 2nd child registered plus all additional children registered. For Example: If you are registering four children, the 1st child registered will have a full-priced science camp, & the following three registered will each have 5% off their science camps!
Does YSI have a cancellation policy?
For YSI Summer Science Camp cancellations, the following rules apply:
• 20% of total program fees plus a $50 administrative fee are non-refundable for cancellations made any time before May 15, 2023.
• Cancellations between May 15 and two weeks prior to your camp start date result in a refund of 50% of total program fees, in addition to a $50 administrative fee.
• Cancellations within two weeks of your camp start date are non-refundable. Cancellations due to medical emergencies will be assessed on an individual basis.
• If federal, state, or county COVID-19 guidelines change and prevent YSI from operating our Summer Science Camp programs, registrants are able to donate program fees, defer program fees to our ACTIVE account to be used as a credit for another camp, or receive a full refund. Scholarship donations are non-refundable.
Enrollment Change Policy:
Any change requests (e.g., canceling out of one camp and enrolling in another camp) must be made at least 30 days before the camp start date, and are subject to availability. There will be a $50 administrative fee in addition to the camp fee. Camps and extended camps are not transferable to another person.
Minimum Enrollment:
If minimum camp enrollment is not met two weeks prior to the first day of camp, that camp may be combined with another camp or canceled. If camps are combined two weeks prior to the first day of camp, no refund will be given. If a camp is canceled by YSI, a full refund will be issued.
What grade level of camp should I register my child in?
Your camper should be registered for the grade level they will be entering during the fall season of 2023/2024. For example, if your camper is currently finishing fourth grade, you would register your camper for the YSI camps that are fifth to sixth grade level.
What ages can attend YSI Summer Science Camp?
YSI’s Summer Science Camps are weekly, half-day camps that run from 9:00am-11:30am for our preschool and kindergarten camps and from 9:00am-1:00pm for our campers entering first to sixth grade. All preschool campers must have a birth date before January 1, 2020, and be able to use the restroom independently.
Where and when is YSI Summer Science Camp?
All YSI Summer Science Camps are located in the beautiful Vasona Lake County Park. For directions, please email camp@ysi-ca.org or call 408-356-4945 x 10.
Does YSI have an option for extended care?
Yes! We are happy to announce the return of the Extended Day Camp for grades first through sixth, which will run from 1:00pm-5:30pm daily. To add this option to your registration, please select "Extended Day Camp" from the menu options during the registration process. The cost for Extended Day Camp is $165.00 per child per week.
Does YSI have an immunization policy?
Yes, we do. Click here to read our immunization policy.
What steps will YSI staff be taking during the COVID-19 pandemic to keep my camper safe?
YSI is following all county and state guidelines which include but are not limited to:
• Personal kits for each child to keep everyone safe and healthy
• Frequent disinfecting/sanitizing
• COVID-19 questionnaire
For more information on how we are committed to keeping your camper safe, please contact camp@ysi-ca.org or call 408-356-4945 x. 10.
Does YSI provide scholarships?
Yes, YSI does have this option available to families who need financial assistance. To apply, please fill out the scholarship form and email it to camp@ysi-ca.org.
I want to donate to YSI’s Scholarship Fund. How do I proceed?
By clicking on the camp of choice, you will see options under “sessions” to donate a designated amount. All donations made to the scholarship fund are tax-deductible.
Yes, all registrations made before February 10, 2023, will qualify to receive $10.00 off their registration. Please use code EBD2023 at checkout to apply this discount.
Are there multi-session discounts?
10% off 3rd week plus all additional weeks. For Example: If you are registering your child for 4 (non-sequential) weeks, then the first two weeks will be full-priced science camps, and the following two weeks will be 10% off!
Are there multi-person discounts?
5% off all camp weeks for the 2nd child registered plus all additional children registered. For Example: If you are registering four children, the 1st child registered will have a full-priced science camp, & the following three registered will each have 5% off their science camps!
Does YSI have a cancellation policy?
For YSI Summer Science Camp cancellations, the following rules apply:
• 20% of total program fees plus a $50 administrative fee are non-refundable for cancellations made any time before May 15, 2023.
• Cancellations between May 15 and two weeks prior to your camp start date result in a refund of 50% of total program fees, in addition to a $50 administrative fee.
• Cancellations within two weeks of your camp start date are non-refundable. Cancellations due to medical emergencies will be assessed on an individual basis.
• If federal, state, or county COVID-19 guidelines change and prevent YSI from operating our Summer Science Camp programs, registrants are able to donate program fees, defer program fees to our ACTIVE account to be used as a credit for another camp, or receive a full refund. Scholarship donations are non-refundable.
Enrollment Change Policy:
Any change requests (e.g., canceling out of one camp and enrolling in another camp) must be made at least 30 days before the camp start date, and are subject to availability. There will be a $50 administrative fee in addition to the camp fee. Camps and extended camps are not transferable to another person.
Minimum Enrollment:
If minimum camp enrollment is not met two weeks prior to the first day of camp, that camp may be combined with another camp or canceled. If camps are combined two weeks prior to the first day of camp, no refund will be given. If a camp is canceled by YSI, a full refund will be issued.
What grade level of camp should I register my child in?
Your camper should be registered for the grade level they will be entering during the fall season of 2023/2024. For example, if your camper is currently finishing fourth grade, you would register your camper for the YSI camps that are fifth to sixth grade level.
What ages can attend YSI Summer Science Camp?
YSI’s Summer Science Camps are weekly, half-day camps that run from 9:00am-11:30am for our preschool and kindergarten camps and from 9:00am-1:00pm for our campers entering first to sixth grade. All preschool campers must have a birth date before January 1, 2020, and be able to use the restroom independently.
Where and when is YSI Summer Science Camp?
All YSI Summer Science Camps are located in the beautiful Vasona Lake County Park. For directions, please email camp@ysi-ca.org or call 408-356-4945 x 10.
Does YSI have an option for extended care?
Yes! We are happy to announce the return of the Extended Day Camp for grades first through sixth, which will run from 1:00pm-5:30pm daily. To add this option to your registration, please select "Extended Day Camp" from the menu options during the registration process. The cost for Extended Day Camp is $165.00 per child per week.
Does YSI have an immunization policy?
Yes, we do. Click here to read our immunization policy.
What steps will YSI staff be taking during the COVID-19 pandemic to keep my camper safe?
YSI is following all county and state guidelines which include but are not limited to:
• Personal kits for each child to keep everyone safe and healthy
• Frequent disinfecting/sanitizing
• COVID-19 questionnaire
For more information on how we are committed to keeping your camper safe, please contact camp@ysi-ca.org or call 408-356-4945 x. 10.
Does YSI provide scholarships?
Yes, YSI does have this option available to families who need financial assistance. To apply, please fill out the scholarship form and email it to camp@ysi-ca.org.
I want to donate to YSI’s Scholarship Fund. How do I proceed?
By clicking on the camp of choice, you will see options under “sessions” to donate a designated amount. All donations made to the scholarship fund are tax-deductible.
