Excellent
#269 of 3,177 private schools in CA
Top 8% of private schools
Southwestern Academy
High School
2800 Monterey Road, San Marino, CA 91108
About Southwestern Academy
Southwestern Academy is a private high school in San Marino, CA 91108. The school serves approximately 67 students in grades 6th – 12th with a student-teacher ratio of 5:1. It holds a MySchoolScout rating of 9.7/10, placing it in the 91.6th percentile among private schools in CA — an above average rating overall.
The school scores particularly well in classroom attention (9.6/10), ranked among private schools in CA. Compared to the 4 public schools in San Marino, Southwestern Academy rates higher overall (9.7 vs 8.0 average).
Compare to Public Schools
BetaHow Southwestern Academy compares to the 4 public schools in San Marino, CA
All Schools in San Marino
| School | Rating |
|---|---|
| Southwestern Academy (this school) | 9.7 |
| Valentine Elementary | 7.4 |
| Huntington Middle | 7.6 |
| San Marino High | 9.1 |
| Carver Elementary | 7.7 |
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.
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Score basis: Private school model
Data coverage: 45% of scoring components had data
Components scored: 2 of 5
Ranking pool: Private schools in CA
Test Scores
Test score data not yet available for this school.
Location
2800 Monterey Road, San Marino, CA 91108
Nearby Schools
20 within 1.5 mi| School | Distance | Rating |
|---|---|---|
| Garfield Elementary Alhambra | 1.0 mi | 7.0 |
| LITTLE ACORN MONTESSORI ACADEMY Alhambra | 0.9 mi | 7.9 |
| Marengo Elementary South Pasadena | 0.9 mi | 6.6 |
| Valentine Elementary San Marino | 0.9 mi | 7.4 |
| St. Therese School Alhambra | 1.0 mi | 7.9 |
| Huntington Middle San Marino | 1.0 mi | 7.6 |
| Blair High Pasadena | 1.1 mi | 7.4 |
| South Pasadena Middle South Pasadena | 1.1 mi | 7.2 |
| ANGEL'S MONTESSORI PRESCHOOL Alhambra | 1.3 mi | 7.9 |
| Angel's Montessori Preschool, Inc. Alhambra | 1.3 mi | 7.9 |
| IRL - WESTMORELAND ACADEMY South Pasadena | 1.1 mi | 9.3 |
| Sierra School of Alhambra Alhambra | 1.3 mi | 7.9 |
| SIERRA SCHOOL OF ALHAMBRA Alhambra | 1.3 mi | 7.9 |
| POLYTECHNIC SCHOOL Pasadena | 1.4 mi | 5.3 |
| Coolidge Elementary San Gabriel | 1.2 mi | 5.2 |
| ST JAMES PARISH DAY SCHOOL & KINDERGARTEN South Pasadena | 1.2 mi | 9.3 |
| South Pasadena Senior High South Pasadena | 1.3 mi | 6.7 |
| Alhambra High Alhambra | 1.5 mi | 6.1 |
| Park Elementary Alhambra | 1.5 mi | 6.3 |
| Granada Elementary Alhambra | 1.5 mi | 5.2 |
Similar Schools
Schools in the same state with comparable level, size, and ratings
| School | Rating |
|---|---|
| Glacier High School Charter Oakhurst, CA | 9.5 |
| FUSION ACADEMY CUPERTINO Cupertino, CA | 9.4 |
| Fusion Academy - Cupertino Cupertino, CA | 9.4 |
| Beaumont Middle College High Banning, CA | 9.1 |
| ORINDA ACADEMY Orinda, CA | 9.1 |
| High Bluff Academy Rancho Santa Fe, CA | 9.0 |
Frequently Asked Questions
Common questions about Southwestern Academy
What grades does Southwestern Academy serve?
Southwestern Academy serves students in grades 6th through 12th.
How many students attend Southwestern Academy?
Southwestern Academy has an enrollment of approximately 67 students.
What is the student-teacher ratio at Southwestern Academy?
The student-teacher ratio at Southwestern Academy is 5:1. A lower ratio generally means more individual attention per student. The national average is approximately 11:1 for private schools.
How does Southwestern Academy rank in CA?
Southwestern Academy is ranked #269 out of 3,177 private schools in CA.
What is Southwestern Academy's MySchoolScout rating?
Southwestern Academy has a composite rating of 9.7 out of 10 on MySchoolScout. This score combines academic performance, student growth, equity, and school environment into a single score.
Is Southwestern Academy a private school?
Yes, Southwestern Academy is a private coeducational school. Private schools are not required to participate in state standardized testing, so academic performance data may be limited compared to public schools.
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Quick Facts NCES PSS (SY 2024-25)
- Grades
- 6th – 12th
- Enrollment
- 67
- Student-Teacher Ratio
- 5:1
- Teachers (FTE)
- 14
- Type
- private
- Coed Status
- coed
- County
- Los Angeles
- Phone
- (626) 799-5010
- Data Year
- 2025–2026
Resources & Links
How We Rate Schools
Our ratings combine academic performance, growth, equity, and school environment into a single 1-10 score using publicly available data.
Read our methodology