(626) 588 7818Find a program
60 yearsof hands on science in the San Gabriel Valley.
12 schoolshost YSC after school science.
$20 an houronline tutoring, less with a friend.
1 of 57organizations nationwide picked for a 2025 STEM Action Grant.

Parents say it best

5.0 on Google4 reviews

Jessica LamGoogle review

“Best summer program I have ever participated in. … Staffs are very well trained and experienced. … My kids LOVE the programs, and never once gave me hard time of not wanting to go to camp.”

Elise ScherGoogle review

“My kids loved YSC. I still remember fondly the class Ants, Ants, Ants! This is a great summer science program, established in 1962.”

Ting CuiGoogle review

“Very good classes taught by great teachers. Good selection of subjects by age/grade.”

Read the reviews on Google

Find the right program in three taps

Answer a few quick questions and we will point you to the class, camp or show that fits.

Who is it for?

Call Diana at (626) 588 7818 and she will help you pick a program.

Four ways to do real science

Hands on classes after school, all summer, online and right in your classroom.

Students wire circuits on breadboards beside their laptops

After School Science Discoveries

Real investigations after the bell.

  • At 12 partner schools
  • Classes like Slime Science and 3D Printing
  • Kids test ideas and share what they find
Three grinning kids crouch behind foil trays of erupting red volcanoes

Summer Science Discoveries

Pick your own schedule and favorite subjects.

  • In person camp for K to 8th grade, plus online
  • Science, biology, technology and STEAM
  • Right here in Hacienda Heights
A video call grid of students in an online class

Online Tutoring

Friendly, knowledgeable tutors for any subject.

  • $20 an hour for one student
  • $15 each for two, $10 each for three
  • Math, reading, science, Spanish and more
A teacher holds up a drawing while kids on the carpet raise their hands

In School Science Discoveries

Ecosystem and stewardship projects for your school.

  • Watershed awareness and water quality
  • Climate change modeling and habitat enhancement
  • Outdoor and indoor research labs

1 of 57 organizations picked for a 2025 STEM Action Grant

In 2025 the Society for Science picked Youth Science Center for a STEM Action Grant, one of only 57 organizations across the country.

Inside YSC

A look at YSC classes and events.

Kids around a table making rainbow plate experiments
Kids at an outdoor table looking at a lizard
A boy in a blue cap painting a colorful grid
A girl holding up a cardboard robotic hand
A boy on the floor with a small robot
A boy drawing a maze on orange paper
A boy holding a tablet game
Kids holding up framed artwork
A boy in a VR headset in front of a big screen
Smiling kids at desks with orange paper