Very Good
#397 of 1,790 private schools in CA
Top 22% of private schools
Stanbridge Academy
School
515 E POPLAR AVE, San Mateo, CA 94401
Estimated academic score. This school does not have standardized test data. Based on 19 schools in San Mateo. Learn more
Enrollment
91
Student-Teacher
3.8:1
Score
7.2
Grades
Kindergarten – 12th
Enrollment
91
Student-Teacher
3.8:1
Score
7.2
Grades
Kindergarten – 12th
Updated
2021-22
Updated 2021-22
How this school compares
In San Mateo
#7 of 12
public schools
California schools
#87 of 366
About Stanbridge Academy
Stanbridge Academy serves 91 students in grades kindergarten through 12th in San Mateo, California. This regular public school stands out with an exceptional student-teacher ratio of 3.8:1, supported by 24 full-time equivalent teachers, creating an intimate learning environment where students receive significant individual attention. The school earns a strong MySchoolScout rating of 9.0 out of 10 and ranks #775 out of 1790 schools statewide, placing it in the 57th percentile among California schools.
This solid performance reflects the school's commitment to providing quality education in a small school setting that spans all grade levels from elementary through high school. Stanbridge Academy's unique structure as a K-12 school allows students to build lasting relationships with teachers and peers while maintaining continuity in their educational journey. The remarkably low student-teacher ratio suggests a highly personalized approach to learning, with ample opportunity for individualized instruction and support.
The school is situated in San Mateo's 94401 neighborhood, an affluent community where the median household income reaches $117,678 and nearly half of residents hold bachelor's degrees or higher. This educated, economically stable community provides a supportive environment for learning, with the school serving families in a mid-size city setting that balances suburban comfort with urban accessibility.
What Parents Should Know
With an enrollment of 91 students, Stanbridge Academy is a smaller school where families often find a close-knit community atmosphere. Smaller settings can mean more individual attention from teachers and staff, though they may offer fewer extracurricular options than larger schools.
With a student-teacher ratio of 3.8:1, Stanbridge Academy offers a notably low ratio compared to the national average. This typically means smaller class sizes and more opportunities for one-on-one interaction between students and teachers.
As a private school, Stanbridge Academy 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.
Financial Overview
Source: IRS Form 990 (2023 filing)
- Per-Pupil Spending
- Total expenses ÷ enrollment
- $51,462
- Per-Pupil Revenue
- Total revenue ÷ enrollment
- $61,649
- Financial Health
- Revenue-to-expense ratio (>1.0 = surplus)
- 1.20x — Strong
- Tuition Dependency
- Share of revenue from program services (tuition, fees)
- 80%
- Total Assets
- End-of-year total assets from IRS filing
- $8.5M
Financial data from IRS Form 990 filings via ProPublica Nonprofit Explorer. Per-pupil figures based on current enrollment of 91 students. Not all private schools file Form 990.
Compare to Public Schools
BetaHow Stanbridge Academy compares to 20 public schools serving similar grades in San Mateo, CA
Student Demographics
Nearby Other Schools
| School | Rating |
|---|---|
| Stanbridge Academy (this school) | 7.2 |
| San Mateo High | 7.7 |
| College Park Elementary | 7.0 |
| North Shoreview Montessori | 9.1 |
| San Mateo Park Elementary | 3.4 |
| Sunnybrae Elementary | 5.0 |
| Baywood Elementary | 5.1 |
| LEAD Elementary | 5.6 |
| Aragon High | 8.5 |
| Borel Middle | 5.6 |
| Bayside Academy | 6.1 |
| Parkside Montessori | 8.9 |
| Fiesta Gardens International Elementary | 6.6 |
| Meadow Heights Elementary | 5.2 |
| Beresford Elementary | 6.7 |
| Hillsdale High | 7.0 |
| Abbott Middle | 6.9 |
| Laurel Elementary | 3.6 |
| George Hall Elementary | 9.3 |
| 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
515 E POPLAR AVE, San Mateo, CA 94401
Nearby Alternatives
Families considering Stanbridge Academy may also want to explore other schools in the area. South Hillsborough (rated 9.4/10, 1.0 miles away, in nearby Hillsborough), which scores notably higher. Another option is North Shoreview Montessori (rated 9.1/10, 0.8 miles away), which scores notably higher. Additionally, Burlingame High (rated 9.0/10, 1.0 miles away, in nearby Burlingame), which scores notably higher. For more schools in San Mateo, see our San Mateo schools guide .
Nearby Schools
20 within 1.6 mi| School | Distance | Rating |
|---|---|---|
| Stanbridge Academy San Mateo | 0.0 mi | — |
| San Mateo High San Mateo | 0.1 mi | 7.7 |
| College Park Elementary San Mateo | 0.2 mi | 7.0 |
| PACIFIC RIM INT'L SCHOOL San Mateo | 0.4 mi | — |
| Genius Learning Burlingame | 0.4 mi | — |
| EPISCOPAL DAY SCHOOL OF ST. MATTHEW San Mateo | 0.7 mi | 8.0 |
| Episcopal Day School of St. Matthew San Mateo | 0.7 mi | — |
| Washington Elementary Burlingame | 0.7 mi | 6.2 |
| San Mateo Park Elementary San Mateo | 0.8 mi | 3.4 |
| North Shoreview Montessori San Mateo | 0.8 mi | 9.1 |
| ST CATHERINE OF SIENA SCHOOL Burlingame | 0.8 mi | 6.5 |
| South Hillsborough Hillsborough | 1.0 mi | 9.4 |
| Burlingame High Burlingame | 1.0 mi | 9.0 |
| St. Matthew Catholic San Mateo | 1.2 mi | — |
| ST TIMOTHY SCHOOL San Mateo | 1.0 mi | 6.3 |
| Crystal Springs Uplands School Hillsborough | 1.3 mi | — |
| CENTENNIAL MONTESSORI SCHOOL San Mateo | 1.4 mi | 7.4 |
| Sunnybrae Elementary San Mateo | 1.3 mi | 5.0 |
| TULANE MONTESSORI CHILDREN'S HOUSE San Mateo | 1.5 mi | — |
| Baywood Elementary San Mateo | 1.6 mi | 5.1 |
Neighborhood Census ACS (2019-2023)
Census data for ZIP 94401 (ACS 2019-2023 5-Year Estimates) · Data sources
Median Income
$121,258
Median Home Value
$1,123,300
Median Rent
$2,713/mo
Population
35,628
College Educated
45.3%
Homeownership
44.4%
Avg Commute
27.1 min
Poverty Rate
10.9%
Median Age
35.9
Community Profile
The community surrounding Stanbridge Academy has a median household income of $121,258. It is a well-educated community where 45% of adults hold a bachelor's degree or higher. The median home value in the area is $1,123,300, with a median rent of $2,713/month. The area has a poverty rate of 10.9%. 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 |
|---|---|
| HERITAGE BAPTIST ACADEMY Antioch, CA | 7.2 |
| KIPP Stockton Stockton, CA | 7.2 |
| ACACIAWOOD PREPARATORY ACADEMY Anaheim, CA | 7.3 |
| JCS - Cedar Cove Julian, CA | 7.3 |
| MARDAN SCHOOL Irvine, CA | 7.3 |
| Nova Education Center Novato, CA | 7.3 |
Frequently Asked Questions
Common questions about Stanbridge Academy
What grades does Stanbridge Academy serve?
Stanbridge Academy serves students in grades Kindergarten through 12th.
How many students attend Stanbridge Academy?
Stanbridge Academy has an enrollment of approximately 91 students.
What is the student-teacher ratio at Stanbridge Academy?
The student-teacher ratio at Stanbridge Academy is 3.8:1. A lower ratio generally means more individual attention per student. The national average is approximately 11:1 for private schools.
How does Stanbridge Academy rank in CA?
Stanbridge Academy is ranked #397 out of 1,790 private schools in CA.
What is Stanbridge Academy's MySchoolScout rating?
Stanbridge Academy has a composite rating of 7.2 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 Stanbridge Academy a private school?
Yes, Stanbridge Academy is a private coeducational school with a Nonsectarian affiliation. Private schools are not required to participate in state standardized testing, so academic performance data may be limited compared to public schools.
Is Stanbridge Academy a religious school?
No, Stanbridge Academy is a nonsectarian (non-religious) private school.
Explore More Schools
Neighborhood Context
Quick Facts NCES PSS (SY 2021-22)
- Grades
- Kindergarten – 12th
- Enrollment
- 91
- Gender Split
- 90% M / 10% F
- Student-Teacher Ratio
- 3.8:1
- Teachers (FTE)
- 24
- Type
- private
- Coed Status
- coed
- Affiliation
- Nonsectarian
- School Day
- 6.6 hours
- Days Per Year
- 180 days
- Setting
- Midsize City
- County
- SAN MATEO
- Phone
- (650) 375-5860
- 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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