Adventure Time Extended Day Care
John G. Mattos Elementary School, 21201 Independent School Road, Castro Valley, CA 94552
About
Adventure Time Extended Day Care offers a before and after school day care and enrichment program with academic enrichment, social development, creative activities, help with homework, language arts, music, art, drama, sports, games, and cooking. It also offers extended day care before and after school and a summer day camp.
Programs
- Adventure Time Summer Day Camp — Children entering kindergarten through sixth grade; children must be 4 years and nine months old by the first day of attendance and entering kindergarten in the fall, and no older than twelve years at any time during attendance
- Before and after school day care/enrichment program — Children in grades T-K through 6 · Provides academic enrichment, social development, creative activities, help with homework, language arts, music, art, drama, sports, games, cooking, and extended day care before and after school.
At a glance
- Ages: 4–12 years old
- General schedule: Before and after school on school days; during the summer at selected sites; summer camp is offered by the week with half-day or full-day sessions.
- Facility hours: 7:00 a.m. - 6:00 p.m. at listed school sites; Adventure Time is open Monday through Friday, every school day 7:00 a.m. to 6:00 p.m.
About the provider
Adventure Time has been California licensed for over 40 years and has served families in the Bay Area for over 39 years. The director is Mimi Albert, and the program is licensed by the State of California Department of Social Services.
Space is limited and is on a first signed up, first served basis. Average teacher to child ratio is 1 to 10. All staff members are over 18 years of age and well trained. Children must be 4 years and nine months old by the first day of attendance and entering kindergarten in the fall, and no older than twelve years at any time during attendance.
What families say
“AT has got to be one of the best after school and summer programs I have either used, heard about or seen. I love the programs, teachers, director and everything about it. Thank you!” — Happy Parents
Last updated September 15, 2026.
Is this your business? There is no cost, but you will be asked to sign up or log in.