ChooseAPrivateSchool.com Español

St. Timothy School

Diocesan school · Grades K–8

San Mateo, CA

1515 Dolan Ave, San Mateo, CA 94401

Overall grade: A+

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

  • A-Class size
  • A-Years serving families
  • A+Diversity

What stands out

  • The smallest classes of any Catholic school in San Mateo
  • Serving families in San Mateo since at least 2011

In San Mateo, California, St. Timothy School is a Catholic diocesan school for students from kindergarten through 8th grade. About 152 students attend, with roughly 15 students per teacher. It has been listed in official private school records since 2011–12. The school is part of the Archdiocese of San Francisco. The school day runs about 7 hours, 180 days a year.

At a glance

Grades
Grades K–8
Students
152
Teachers
9.9 (full-time equivalent)
Students per teacher
15.4
Boys and girls
Coed · 66 girls, 86 boys
Religious affiliation
Catholic · Diocesan school
School day
About 7 hours
School year
180 days
Library
Yes

Reviews

Be the first to share what you love about St. Timothy School.

    How it compares

    • Smaller classes than 58% of Catholic elementary schools in California (15 students per teacher).
    • A smaller school: fewer students than 78% of Catholic elementary schools in California.
    • Compared with 416 Catholic elementary schools in California.

    Students by survey year

    214’11–12208’13–14212’15–16213’17–18216’19–20190’21–22152’23–24

    Total students reported in official records since 2011–12.

    Students by grade

    TK11
    115
    214
    314
    415
    515
    619
    726
    823

    Student body

    White39%
    Asian21%
    Two or more races19%
    Hispanic or Latino12%
    Native Hawaiian or Pacific Islander9%

    Member of

    • National Catholic Educational Association

    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 St. Timothy School

    What grades does St. Timothy School serve?

    St. Timothy School serves grades K–8.

    How many students attend St. Timothy School?

    About 152 students, with 15 students per teacher, according to official records.

    How much is tuition at St. Timothy School?

    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

    Genius Learning

    Independent school · Kindergarten only

    The only preschool in Burlingame

    Burlingame, CA1.4 mi

    A-Overall grade4 students2 students per teacher

    Up Academy

    Independent school · Grades Pre-K–6

    Smaller classes than 98% of independent schools in California

    San Mateo, CA1.8 mi

    AOverall grade21 students3 students per teacher

    St. Catherine of Siena School

    Parish school · Grades K–8

    Serving families in Burlingame since at least 2011

    Burlingame, CA1.8 mi

    A+Overall grade303 students17 students per teacher