ChooseAPrivateSchool.com Español

Anchor Education, INC. DBA One School Global-San F

Christian school (nondenominational) · Grades 3–11

Castro Valley, CA

📞 Call (510) 300-6290 Directions

19234 Lake Chabot Rd, Castro Valley, CA 94546

Overall grade: A

ChooseAPrivateSchool.com grade, from official facts compared with similar schools.

  • AClass size
  • B+Years serving families

What stands out

  • Smaller classes than 71% of Christian schools in California
  • Serving families in Castro Valley since at least 2011

Anchor Education, INC. DBA One School Global-San F is a Christian private school in Castro Valley, California, for students from 3rd grade through 11th grade. It has about 30 students and around 8 students per teacher, smaller classes than 71% of Christian schools in California. Enrollment has grown about 150% since 2011–12. Students attend about 6.5 hours a day, 180 days a year.

At a glance

Grades
Grades 3–11
Students
30
Teachers
3.8 (full-time equivalent)
Students per teacher
7.9
Boys and girls
Coed · 13 girls, 17 boys
Religious affiliation
Christian (nondenominational)
Program
Career and technical
School day
About 6.5 hours
School year
180 days
Graduates going to 4-year colleges
About 0% (the school's estimate for the class before the survey)
Library
Yes

Reviews

Be the first to share what you love about Anchor Education, INC. DBA One School Global-San F.

    How it compares

    • Smaller classes than 71% of Christian schools in California (8 students per teacher).
    • A smaller school: fewer students than 83% of Christian schools in California.
    • Compared with 221 Christian schools in California.

    Students by survey year

    12’11–1218’13–1421’17–1828’19–2030’21–2230’23–24

    Total students reported in official records since 2011–12.

    Students by grade

    33
    42
    55
    63
    74
    81
    93
    102
    117

    Student body

    White100%

    Questions to ask on a tour

    • What is tuition, and what does it include (books, fees, uniforms, trips)?
    • Do you offer financial aid, sibling discounts or payment plans?
    • Do you accept ESA, voucher or tax-credit scholarship funds?
    • How big are classes in my child's grade?
    • What support is there for students who need extra help or more challenge?
    • Is the school accredited, and by whom?
    • What do a typical day and a typical week look like?
    • How does the school communicate with families?

    More questions to ask →

    Questions about Anchor Education, INC. DBA One School Global-San F

    What grades does Anchor Education, INC. DBA One School Global-San F serve?

    Anchor Education, INC. DBA One School Global-San F serves grades 3–11.

    How many students attend Anchor Education, INC. DBA One School Global-San F?

    About 30 students, with 8 students per teacher, according to official records.

    How much is tuition at Anchor Education, INC. DBA One School Global-San F?

    Call the school to ask about tuition, financial aid and payment plans.

    Official record · Updated October 2026 · Official search · Something wrong? Tell us

    Other private schools nearby

    Mission Hills School

    Independent school · Grades K–5

    One of 2 independent schools in Castro Valley

    Castro Valley, CA0.7 mi

    B-Overall grade126 students18 students per teacher

    Call View school

    Redwood Christian Elementary School

    Christian school (nondenominational) · Grades K–5

    One of the most diverse private schools in California

    Castro Valley, CA0.9 mi

    BOverall grade268 students16 students per teacher

    Call View school