Treehouse @ the J

School-age afterschool program for students in Grades TK–5

Our safe, transformative, and licensed childcare program for children in Grades TK–5 gives kids their own space to learn, grow, explore, and be themselves.


2023 – 2024 School Year Applications

Applications for grades Transitional Kindergarten–5 for the 2023-2024 school year are now open!* 

2023-2024 School Year Application

Note: Our TK–K program is at full capacity; applications for those grades will be placed on an automatic waitlist.

If you have any questions about the application process, please send us an email at Treehouse@pjcc.org or call 650.378.2704.

Sign Up for an Information Session

Join us for a tour of Treehouse! See our engaging children’s spaces, meet our leadership team, connect with other parents, and get a sneak peek into a day in the life of a Treehouse student. Please note: PJCC, including Treehouse, is a vaccinated campus for all people 12+ years old. Adults only, please. Masks are encouraged for everyone over the age of 2.

Sign Up Now!


About Treehouse at the PJCC

Five days a week, Treehouse’s highly qualified, well trained staff will provide your child with an afterschool experience that allows for both serious work and serious fun. Our 12:1 child-to-teacher ratio ensures that every Treehouse member gets attention and support with their schoolwork.

And when the work is done, it’s time for fun with sports, arts, and more!

Treehouse at the PJCC is a licensed afterschool program (License # 414002676).

Contact Us About Treehouse Today

Schedule and Hours

School Year Hours
Treehouse is open after school until 6:00 pm.


We are currently accepting applications for the 2023-2024 school year. Please note: TK–K is at full capacity; applications for those grades will be placed on an automatic waitlist.

Applications are complete when submitted with a $100 non-refundable application fee. Please note submission of a Treehouse application does not guarantee nor confirm a space for your child in the Treehouse program.

Apply For 2023-2024 School Year

(If you cannot access the registration link via the button above, please go to MyPJCC and search for “Treehouse.” This will bring up the application.)



Download the calendar for the 2023–24 school year here. (This includes the calendars for Treehouse and Treehouse With Camp.)


Free transportation from designated local elementary schools and grades to the PJCC, including grades TK–5 at Audubon Elementary, Foster City Elementary and Brewer Island Elementary (*only available at Brewer Island for Grades 1-5). We provide minimum day pickup for San Mateo/Foster City School District students on Wednesdays.

Meet Jillian: Assistant Director, Treehouse Afterschool Program

Jillian Johnson, Assistant Director of TreehouseJillian Johnson, Assistant Director of Treehouse, moved to the Bay Area in 2022 from the New York City area. Before that, she grew up and went to school in Massachusetts where she earned her Bachelor’s degree in Psychology and Education where her courses focused on child development and inclusion. She went on to receive her Master’s degree in Elementary Education with an emphasis on practices from Responsive Classroom. Jillian has spent her career thus far working in elementary schools across the country fostering an environment of academic and developmental growth.

Throughout her career, Jillian has specialized in building relationships and creating a community where students feel welcome, safe, and encouraged to learn and grow from mistakes. With experience working in Special Education classrooms, summer camps, and serving on leadership councils, she believes children thrive through high quality and engaging activities.

Jillian is thrilled to be a part of the PJCC community and to be helping guide children throughout their individual journeys.

Contact Treehouse

For more information, contact treehouse@pjcc.org or call 650.378.2704.

Hours of Operation

For Specific Schedules, Please See Schedules Submenu

Center Hours
  • Mon - Thur 5 am - 9 pm (Group Ex by Reservation)
  • Fri 5 am - 6 pm (Group Ex by Reservation)
  • Sat & Sun 7 am - 6 pm (Group Ex by Reservation)
Admin Office Hours
  • Mon-Fri 8 am – 4 pm
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