Average
#1419 of 1,790 private schools in CA
Junipero Serra High School
High School
451 W 20TH AVE, San Mateo, CA 94403
Estimated academic score. This school does not have standardized test data. Based on 19 schools in San Mateo. Learn more
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
Updated
2021-22
Updated 2021-22
How this school compares
In San Mateo
#11 of 12
public schools
California high schools
#233 of 277
About Junipero Serra High School
Junipero Serra High School serves 860 students in grades 9-12 in San Mateo, California. With 55 full-time equivalent teachers, the school maintains a student-teacher ratio of 15.8:1, providing students with reasonably personalized attention in their high school experience. The school has earned a MySchoolScout rating of 7.2 out of 10 and ranks #1340 out of 1790 California high schools, placing it in the 25th percentile statewide.
While this indicates room for academic growth, the school continues to focus on supporting its students' educational development during these important formative years. Junipero Serra High School is situated in an affluent community where the median household income reaches $171,213 and the median home value is $1,681,500. The surrounding neighborhood demonstrates a strong commitment to education, with 61% of residents holding bachelor's degrees or higher.
The area maintains a low poverty rate of just 6.1%, reflecting the economic stability of the community. As a regular public high school in San Mateo's mid-size city environment, Junipero Serra High School benefits from being part of a well-educated, prosperous community that values academic achievement and provides a supportive backdrop for students' high school journey.
What Parents Should Know
As a private school, Junipero Serra High School operates independently from the local public school district. Families considering this school should inquire about tuition costs, financial aid availability, and the admissions process. Private schools are not required to follow the same curriculum standards as public schools, which can be either an advantage or a consideration depending on your priorities.
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 | 5.6 |
| Meadow Heights Elementary | 5.2 |
| Beresford Elementary | 6.7 |
| Aragon High | 8.5 |
| Hillsdale High | 7.0 |
| Baywood Elementary | 5.1 |
| Fiesta Gardens International Elementary | 6.6 |
| Abbott Middle | 6.9 |
| Sunnybrae Elementary | 5.0 |
| Laurel Elementary | 3.6 |
| George Hall Elementary | 9.3 |
| Parkside Montessori | 8.9 |
| Bayside Academy | 6.1 |
| LEAD Elementary | 5.6 |
| North Shoreview Montessori | 9.1 |
| San Mateo Park Elementary | 3.4 |
| College Park Elementary | 7.0 |
| San Mateo High | 7.7 |
| Highlands Elementary | 6.0 |
| 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
What 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 8.5/10, 0.8 miles away), which scores notably higher. Another option is FUSION ACADEMY - SAN MATEO (rated 7.2/10, 0.2 miles away), which scores notably higher. Additionally, Hillsdale High (rated 7.0/10, 0.9 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 | 5.6 |
| Meadow Heights Elementary San Mateo | 0.4 mi | 5.2 |
| Beresford Elementary San Mateo | 0.6 mi | 6.7 |
| 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 | 8.5 |
| Hillsdale High San Mateo | 0.9 mi | 7.0 |
| St. Matthew Catholic San Mateo | 1.0 mi | — |
| Baywood Elementary San Mateo | 0.9 mi | 5.1 |
| Abbott Middle San Mateo | 1.1 mi | 6.9 |
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
Community Profile
The community surrounding Junipero Serra High School has a median household income of $179,825. It is a well-educated community where 60% of adults hold a bachelor's degree or higher. The median home value in the area is $1,725,900, with a median rent of $3,273/month. The local poverty rate of 6.4% is relatively low. The average commute for residents is 27 minutes. Source: U.S. Census ACS 2022 5-Year Estimates.
Similar Schools
Schools in the same state with comparable level, size, and ratings
| School | Rating |
|---|---|
| Coliseum College Prep Academy Oakland, CA | 5.3 |
| Encina Preparatory High Sacramento, CA | 5.3 |
| Farmersville High Farmersville, CA | 5.3 |
| John F. Kennedy High Richmond, CA | 5.3 |
| MARIN CATHOLIC HIGH SCHOOL Kentfield, CA | 5.3 |
| Parlier High Parlier, CA | 5.3 |
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 is ranked #1419 out of 1,790 private schools in CA.
What is Junipero Serra High School's MySchoolScout rating?
Junipero Serra High School has a composite rating of 5.3 out of 10 on MySchoolScout. This score combines academic performance, student growth, and school environment into a single score. 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.
Explore More Schools
Neighborhood Context
- City Safety
- High (2,131/100K)
FBI UCR 2024. City-level (San Mateo). Data >1 year old.
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
- Phone
- (650) 345-8207
- Data Year
- 2022–2023
Resources & Links
How We Rate Schools
Every school receives a composite score from 1 to 10 based on four pillars: Academic Performance (50%), Student Growth (20%), Equity (15%), and Learning Environment (15%). Scores are built from publicly available data including standardized test results, enrollment figures, and school climate indicators.
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