Average
#1416 of 1,787 private schools in CA
Junipero Serra High School
High School
451 W 20TH AVE, San Mateo, CA 94403
Enrollment
860
Student-Teacher
15.8:1
Score
5.3
Grades
9th – 12th
Enrollment
860
Student-Teacher
15.8:1
Score
5.3
Grades
9th – 12th
Data vintage
2021-22
Data vintage2021-22
How this school compares
California private schools
#1,416 of 1,787
In San Mateo
#11 of 12
public schools
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Junipero Serra High School
High School in San Mateo · grades 9th – 12th. Start here, then compare fit against nearby and district options.
The Carey School
0.1 mi away. Use as a geographic alternative in the same move search.
Fusion Academy - San Mateo
0.2 mi away. Use as a geographic alternative in the same move search.
About Junipero Serra High School
Junipero Serra High School is a private high school in San Mateo, CA. Junipero Serra High School serves approximately 860 students, and covers grades 9th-12th, and has a 15.8:1 student-teacher ratio. Junipero Serra High School has a current MySchoolScout rating of 5.3 out of 10 and ranks #1,416 of 1,787 private schools in CA.
- This school 5.3 · Average
- CA avg 6.5
What Parents Should Know
Junipero Serra High School is private, so it runs independently of the local district and sets its own curriculum. That freedom cuts both ways depending on what you want for your child. If you're considering it, start with the practical questions: tuition, financial aid, and how admissions work.
Compare to Public Schools
BetaHow Junipero Serra High School compares to the 20 public schools in San Mateo, CA
Student Demographics
All Schools in San Mateo
| School | Rating |
|---|---|
| Junipero Serra High School (this school) | 5.3 |
| Borel Middle | 7.9 |
| Meadow Heights Elementary | 5.8 |
| Beresford Elementary | 6.0 |
| Aragon High | 7.9 |
| Hillsdale High | 7.3 |
| Baywood Elementary | 6.5 |
| Fiesta Gardens International Elementary | 5.9 |
| Abbott Middle | 6.6 |
| Sunnybrae Elementary | 3.4 |
| Laurel Elementary | 2.9 |
| George Hall Elementary | 9.0 |
| Parkside Montessori | 9.1 |
| Bayside Academy | 7.2 |
| LEAD Elementary | 3.5 |
| North Shoreview Montessori | 9.3 |
| San Mateo Park Elementary | 3.9 |
| College Park Elementary | 9.5 |
| San Mateo High | 7.6 |
| Highlands Elementary | 7.5 |
| Gateway Center | — |
Demographics sourced from NCES Private School Survey (PSS) and Common Core of Data (CCD). Comparisons are based on enrollment-weighted averages.
Score Breakdown
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 Unavailable
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
Test score data not yet available for this school.
Student Demographics NCES PSS (SY 2021-22)
Source: NCES Private School Survey (PSS)
Location
451 W 20TH AVE, San Mateo, CA 94403
Nearby Alternatives
Families considering Junipero Serra High School may also want to explore other high schools in the area. Aragon High (rated 7.9/10, 0.8 miles away), which scores notably higher. Another option is Hillsdale High (rated 7.3/10, 0.9 miles away), which scores notably higher. Additionally, FUSION ACADEMY - SAN MATEO (rated 7.2/10, 0.2 miles away), which scores notably higher. For more schools in San Mateo, see our San Mateo schools guide .
Nearby Schools
20 within 1.1 mi| School | Distance | Rating |
|---|---|---|
| THE CAREY SCHOOL San Mateo | 0.1 mi | 8.7 |
| The Carey School San Mateo | 0.2 mi | — |
| FUSION ACADEMY - SAN MATEO San Mateo | 0.2 mi | 7.2 |
| Fusion Academy San Mateo San Mateo | 0.2 mi | — |
| UP ACADEMY, INC. San Mateo | 0.3 mi | — |
| COMPASS HIGH SCHOOL San Mateo | 0.3 mi | — |
| UP ACADEMY San Mateo | 0.3 mi | — |
| Borel Middle San Mateo | 0.4 mi | 7.9 |
| Meadow Heights Elementary San Mateo | 0.4 mi | 5.8 |
| Beresford Elementary San Mateo | 0.6 mi | 6.0 |
| St Gregory San Mateo | 0.6 mi | — |
| ST GREGORY SCHOOL San Mateo | 0.6 mi | 5.2 |
| The Burkard School San Mateo | 0.7 mi | — |
| CENTENNIAL MONTESSORI SCHOOL San Mateo | 0.8 mi | 7.4 |
| THE BURKARD SCHOOL San Mateo | 0.7 mi | 5.4 |
| Aragon High San Mateo | 0.8 mi | 7.9 |
| Hillsdale High San Mateo | 0.9 mi | 7.3 |
| St. Matthew Catholic San Mateo | 1.0 mi | — |
| Baywood Elementary San Mateo | 0.9 mi | 6.5 |
| Abbott Middle San Mateo | 1.1 mi | 6.6 |
Neighborhood Census ACS (2019-2023)
Census data for ZIP 94403 (ACS 2019-2023 5-Year Estimates) · Data sources
Median Income
$179,825
Median Home Value
$1,725,900
Median Rent
$3,273/mo
Population
43,459
College Educated
60.3%
Homeownership
54%
Avg Commute
26.7 min
Poverty Rate
6.4%
Median Age
38.5
Similar Schools
Schools in the same state with comparable level, size, and ratings
| School | Rating |
|---|---|
| Belmont Senior High Los Angeles, CA | 5.3 |
| John Muir Charter Grass Valley, CA | 5.3 |
| MARIN CATHOLIC HIGH SCHOOL Kentfield, CA | 5.3 |
| McKinleyville High Mckinleyville, CA | 5.3 |
| Rim of the World Senior High Lake Arrowhead, CA | 5.3 |
| BISHOP ALEMANY HIGH SCHOOL Mission Hills, CA | 5.2 |
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.
Neighborhood Context
Powered by 
Quick Facts NCES 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
Resources & Links
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