Average
#1416 of 1,787 private schools in CA
Junipero Serra High School
High School · San Mateo, CA
A private high school in San Mateo, CA serving grades 9th – 12th.
451 W 20TH AVE, San Mateo, CA 94403
- 15.8:1 student-teacher ratio
Academics
PreliminaryWhat this rating measures
This rating reflects classroom size, instructional time, student diversity, community resources, and school characteristics. Private schools are ranked against other private schools in CA.
Data not available
View data sources
Score basis: Private school model
Data coverage: 80% of scoring components had data
Components scored: 4 of 5
Ranking pool: Private schools in CA
Test scores
Most recent published year. School vs. CA average.
Test score data not yet available for this school.
How we rate schools
A clear 1–10 score built from public data — growth, academics, and learning environment. No hidden criteria, no pay-to-play.
See how we rateThe neighborhood
Where Junipero Serra High School sits, and what the surrounding area looks like.
Nearby same-level schools are colored by their score. Pins are locations, not attendance boundaries. Open the San Francisco Bay Area map →
Getting around & local context
- Walk 68Somewhat Walkable
- Transit 40Some Transit
- Bike 49Somewhat Bikeable
- City Safety: High2,131/100K
Powered by
FBI Uniform Crime Reporting · 2024 · city context (San Mateo), not school-level safety or attendance eligibility. Source details
Source period: 2024. Freshness not available.
Area profileU.S. Census ACS 5-year estimates (ACS 2019–2023 5-year estimates)
Median income
$179,825
Median home value
$1,725,900
Median rent
$3,273/mo
College educated
60.3%
Homeownership
54%
Poverty rate
6.4%
ACS 2019–2023 5-year estimates for the ZCTA associated with school ZIP 94403; this is area context, not an attendance boundary.
Programs & students
Student demographicsNCES Private School Universe Survey (PSS) (SY 2021–22)
Source: NCES Private School Universe Survey (PSS)
Compare nearby
Nearby same-level schools
4 from a 5-mile search
| School | Score | Grades | Distance | Enrollment | Compare |
|---|---|---|---|---|---|
| Fusion Academy - San MateoPrivate · tuition | 7.2private | 6–12 | 0.2 mi | 71 | Compare → |
| Fusion Academy San MateoPrivate · tuition | Not rated | 6–12 | 0.2 mi | 29 | Compare → |
| Compass High SchoolPrivate · tuition | Not rated | 9–12 | 0.3 mi | 24 | Compare → |
| Aragon HighEnrollment path unverified | 7.9 | 9–12 | 0.8 mi | 1,686 | Compare → |
Distance is proximity only; it is not attendance eligibility.
Private · tuition: Potential private option; tuition and admission requirements have not been verified.
Enrollment path unverified: Potential public school; its attendance or application path has not been classified.
Public and private scores come from different models and are shown side by side, not blended into one ranking.
Junipero Serra High School is listed in San Mateo, CA; verify the current enrollment path directly.
About Junipero Serra High School
Junipero Serra High School is a private high school in San Mateo, CA, serving approximately 860 students in grades 9th-12th with a 15.8:1 student-teacher ratio. It holds a MySchoolScout rating of 5.3 out of 10 and ranks #1,416 of 1,787 private schools in CA.
Frequently asked questions
Common questions about Junipero Serra High School
What grades does Junipero Serra High School serve?
Junipero Serra High School serves students in grades 9th through 12th.
How many students attend Junipero Serra High School?
Junipero Serra High School has an enrollment of approximately 860 students.
What is the student-teacher ratio at Junipero Serra High School?
The student-teacher ratio at Junipero Serra High School is 15.8:1. A lower ratio generally means more individual attention per student. The national average is approximately 11:1 for private schools.
How does Junipero Serra High School rank in CA?
Junipero Serra High School ranks #1,416 of 1,787 private schools in CA.
What is Junipero Serra High School's MySchoolScout rating?
Junipero Serra High School has a current MySchoolScout rating of 5.3 out of 10. This score combines the level-appropriate components shown in the rating breakdown; equity data is shown separately for context.
Is Junipero Serra High School a private school?
Yes, Junipero Serra High School is a private all-boys school with a Roman Catholic affiliation. Private schools are not required to participate in state standardized testing, so academic performance data may be limited compared to public schools.
Is Junipero Serra High School a religious school?
Junipero Serra High School has a Roman Catholic religious affiliation.
School factsNCES Private School Universe Survey (PSS) (SY 2021–22)
- Grades
- 9th – 12th
- Enrollment
- 860
- Gender Split
- 100% M / 0% F
- Student-Teacher Ratio
- 15.8:1
- Teachers (FTE)
- 55
- Type
- private
- Coed Status
- all-boys
- Affiliation
- Roman Catholic
- School Day
- 6.5 hours
- Days Per Year
- 183 days
- Setting
- Midsize City
- County
- San Mateo County
- Phone
- (650) 345-8207
- Area population (ZIP 94403)
- 43,459
- Area average commute
- 26.7 min
- Area median age
- 38.5
About this school's data
Every number on this page comes from a published source with a stated period. Where a source is partial, aging, or describes a surrounding area rather than the school, that limitation is named below.
- School directory (enrollment, grades, staff, contact)
- NCES Private School Universe Survey (PSS) · SY 2021–22 · Low confidence
- Vintage not available. Do not use this measure alone.
- MySchoolScout rating and rank
- MySchoolScout ranking model · Low confidence
- Vintage not available. Do not use this measure alone.
- Available for part of the eligible units; results may not represent the full area.
- Derived as a weighted blend of the component scores shown in Academics from state assessment, EdFacts growth, and NCES resource records.
- Neighborhood (income, housing, education)
- U.S. Census ACS 5-year estimates · ACS 2019–2023 5-year estimates · Low confidence
- Older source: ACS 2019–2023 5-year estimates. Use as historical context.
- Reported for the ZCTA for ZIP 94403; this does not measure the attendance area.
Evidence periods: Rating mixed/unknown input periods; assessments vintage unavailable; directory SY 2021–22
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