Excellent
#38 of 3,177 private schools in CA
Top 1% of private schools
Charles Armstrong School
Elementary School
1405 Solana Drive, Belmont, CA 94080
About Charles Armstrong School
Charles Armstrong School is an private elementary school in Belmont, CA 94080. The school serves approximately 225 students in grades 2nd – 8th with a student-teacher ratio of 4.3:1. It holds a MySchoolScout rating of 8.8/10, placing it in the 98.8th 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. Located in a neighborhood with a median household income of $135,966, where 40% of adults hold a bachelor's degree or higher. Compared to the 5 public schools in Belmont, Charles Armstrong School rates higher overall (8.8 vs 6.6 average).
Compare to Public Schools
BetaHow Charles Armstrong School compares to 5 public schools serving similar grades in Belmont, CA
Nearby Elementary Schools
| School | Rating |
|---|---|
| Charles Armstrong School (this school) | 8.8 |
| Central Elementary | 7.2 |
| Nesbit Elementary | 4.3 |
| Cipriani Elementary | 7.0 |
| Ralston Intermediate | 8.2 |
| Fox Elementary | 6.3 |
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
1405 Solana Drive, Belmont, CA 94080
Nearby Schools
20 within 1.4 mi| School | Distance | Rating |
|---|---|---|
| CHARLES ARMSTRONG SCHOOL Belmont | 0.0 mi | 8.8 |
| San Carlos Charter Learning Center San Carlos | 0.1 mi | 8.0 |
| Tierra Linda Middle San Carlos | 0.2 mi | 8.6 |
| Mariposa San Carlos | 0.2 mi | 9.0 |
| NOTRE DAME HIGH SCHOOL Belmont | 0.3 mi | 8.8 |
| Carlmont High Belmont | 0.4 mi | 8.0 |
| NOTRE DAME ELEMENTARY SCHOOL Belmont | 0.5 mi | 8.8 |
| IMMACULATE HEART OF MARY SCHOOL Belmont | 0.6 mi | 8.8 |
| Arundel Elementary San Carlos | 0.7 mi | 8.5 |
| Central Elementary Belmont | 0.9 mi | 7.2 |
| BELMONT OAKS ACADEMY Belmont | 0.7 mi | 8.8 |
| Belmont Oaks Academy Belmont | 0.8 mi | 8.8 |
| Nesbit Elementary Belmont | 1.1 mi | 4.3 |
| Heather Elementary San Carlos | 1.4 mi | 5.8 |
| Serendipity School Belmont | 1.2 mi | 8.8 |
| SERENDIPITY SCHOOL Belmont | 1.2 mi | 8.8 |
| ST CHARLES SCHOOL San Carlos | 1.4 mi | 8.8 |
| Cipriani Elementary Belmont | 1.3 mi | 7.0 |
| Brittan Acres Elementary San Carlos | 1.5 mi | 8.4 |
| Central Middle San Carlos | 1.4 mi | 7.4 |
Neighborhood Census ACS (2019-2023)
Census data for ZIP 94080 (ACS 2019-2023 5-Year Estimates) · Data sources
Median Income
$135,966
Median Home Value
$1,159,500
Median Rent
$2,840/mo
Population
65,036
College Educated
40.1%
Homeownership
60.8%
Avg Commute
27.1 min
Poverty Rate
7%
Median Age
42.3
Similar Schools
Schools in the same state with comparable level, size, and ratings
| School | Rating |
|---|---|
| Abraham Lincoln Elementary Costa Mesa, CA | 8.8 |
| Annalee Avenue Elementary Carson, CA | 8.8 |
| BELMONT OAKS ACADEMY Belmont, CA | 8.8 |
| BOWMAN SCHOOL Palo Alto, CA | 8.8 |
| Belmont Oaks Academy Belmont, CA | 8.8 |
| CHRIST LUTHERAN CHURCH & SCHOOL Rancho Palos Verdes, CA | 8.8 |
Frequently Asked Questions
Common questions about Charles Armstrong School
What grades does Charles Armstrong School serve?
Charles Armstrong School serves students in grades 2nd through 8th.
How many students attend Charles Armstrong School?
Charles Armstrong School has an enrollment of approximately 225 students.
What is the student-teacher ratio at Charles Armstrong School?
The student-teacher ratio at Charles Armstrong School is 4.3:1. A lower ratio generally means more individual attention per student. The national average is approximately 11:1 for private schools.
How does Charles Armstrong School rank in CA?
Charles Armstrong School is ranked #38 out of 3,177 private schools in CA.
What is Charles Armstrong School's MySchoolScout rating?
Charles Armstrong School has a composite rating of 8.8 out of 10 on MySchoolScout. This score combines academic performance, student growth, equity, and school environment into a single score.
Is Charles Armstrong School a private school?
Yes, Charles Armstrong School 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.
Explore More Schools
Quick Facts NCES PSS (SY 2024-25)
- Grades
- 2nd – 8th
- Enrollment
- 225
- Student-Teacher Ratio
- 4.3:1
- Teachers (FTE)
- 53
- Type
- private
- Coed Status
- coed
- County
- San Mateo
- Phone
- (650) 592-7570
- Data Year
- 2025–2026
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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