Very Good
#190 of 1,787 private schools in CA
Top 11% of private schools
Charles Armstrong School
Middle School
1405 SOLANA DR, Belmont, CA 94002
Enrollment
224
Student-Teacher
5.1:1
Score
7.6
Grades
2nd – 8th
Enrollment
224
Student-Teacher
5.1:1
Score
7.6
Grades
2nd – 8th
Data vintage
2021-22
Data vintage2021-22
How this school compares
California private schools
#190 of 1,787
In Belmont
#3 of 6
public schools
Shortlisting around Charles Armstrong School?
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Shortlist starter
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Charles Armstrong School
Middle School in Belmont · grades 2nd – 8th. Start here, then compare fit against nearby and district options.
San Carlos Charter Learning Center
0.1 mi away. Use as a geographic alternative in the same move search.
Tierra Linda Middle
0.2 mi away. Use as a geographic alternative in the same move search.
About Charles Armstrong School
Charles Armstrong School is a private middle school in Belmont, CA. Charles Armstrong School serves approximately 224 students, and covers grades 2nd-8th, and has a 5.1:1 student-teacher ratio. Charles Armstrong School has a current MySchoolScout rating of 7.6 out of 10 and ranks #190 of 1,787 private schools in CA.
- This school 7.6 · Very Good
- CA avg 6.5
What Parents Should Know
At 5.1:1 students to teachers, Charles Armstrong School sits well below the national average. Smaller classes like that usually mean more one-on-one time between students and teachers.
Charles Armstrong 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 Charles Armstrong School compares to 5 public schools serving similar grades in Belmont, CA
Student Demographics
Nearby Middle Schools
| School | Rating |
|---|---|
| Charles Armstrong School (this school) | 7.6 |
| Central Elementary | 8.8 |
| Nesbit Elementary | 7.4 |
| Cipriani Elementary | 8.3 |
| Ralston Intermediate | 9.2 |
| Fox Elementary | 8.5 |
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
1405 SOLANA DR, Belmont, CA 94002
Nearby Alternatives
Families considering Charles Armstrong School may also want to explore other middle schools in the area. Central Middle (rated 9.2/10, 1.4 miles away, in nearby San Carlos), which scores notably higher. Additionally, Tierra Linda Middle (rated 8.9/10, 0.2 miles away, in nearby San Carlos), which scores notably higher. For more schools in Belmont, see our Belmont schools guide .
Nearby Schools
20 within 1.4 mi| School | Distance | Rating |
|---|---|---|
| Charles Armstrong School Belmont | 0.0 mi | — |
| San Carlos Charter Learning Center San Carlos | 0.1 mi | 9.2 |
| Tierra Linda Middle San Carlos | 0.2 mi | 8.9 |
| Mariposa San Carlos | 0.2 mi | 9.7 |
| NOTRE DAME HIGH SCHOOL Belmont | 0.4 mi | 5.6 |
| Carlmont High Belmont | 0.4 mi | 9.2 |
| NOTRE DAME ELEMENTARY SCHOOL Belmont | 0.6 mi | 7.2 |
| Arundel Elementary San Carlos | 0.7 mi | 9.4 |
| IMMACULATE HEART OF MARY SCHOOL Belmont | 0.7 mi | 7.8 |
| Central Elementary Belmont | 0.9 mi | 8.8 |
| BELMONT OAKS ACADEMY Belmont | 0.8 mi | 6.6 |
| Belmont Oaks Academy Belmont | 0.8 mi | — |
| Nesbit Elementary Belmont | 1.1 mi | 7.4 |
| Heather Elementary San Carlos | 1.3 mi | 8.4 |
| ST CHARLES SCHOOL San Carlos | 1.3 mi | 5.2 |
| Serendipity School Belmont | 1.2 mi | — |
| SERENDIPITY SCHOOL Belmont | 1.2 mi | 8.3 |
| Cipriani Elementary Belmont | 1.3 mi | 8.3 |
| Brittan Acres Elementary San Carlos | 1.4 mi | 9.5 |
| Central Middle San Carlos | 1.4 mi | 9.2 |
Neighborhood Census ACS (2019-2023)
Census data for ZIP 94002 (ACS 2019-2023 5-Year Estimates) · Data sources
Median Income
$204,573
Median Home Value
$2,000,001
Median Rent
$2,889/mo
Population
27,730
College Educated
68.6%
Homeownership
56.2%
Avg Commute
29.4 min
Poverty Rate
6.6%
Median Age
40.4
Similar Schools
Schools in the same state with comparable level, size, and ratings
| School | Rating |
|---|---|
| Mammoth Middle Mammoth Lakes, CA | 7.6 |
| PUC Excel Charter Academy Burbank, CA | 7.6 |
| Robert Louis Stevenson Intermediate St. Helena, CA | 7.6 |
| THE GIRLS' MIDDLE SCHOOL Palo Alto, CA | 7.6 |
| Monsenor Oscar Romero Charter Middle Los Angeles, CA | 7.5 |
| Pio Pico Middle Los Angeles, CA | 7.5 |
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 224 students.
What is the student-teacher ratio at Charles Armstrong School?
The student-teacher ratio at Charles Armstrong School is 5.1:1. 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 ranks #190 of 1,787 private schools in CA.
What is Charles Armstrong School's MySchoolScout rating?
Charles Armstrong School has a current MySchoolScout rating of 7.6 out of 10. This score combines the level-appropriate components shown in the rating breakdown; equity data is shown separately for context.
Is Charles Armstrong School a private school?
Yes, Charles Armstrong School 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 Charles Armstrong School a religious school?
No, Charles Armstrong School is a nonsectarian (non-religious) private school.
Neighborhood Context
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Quick Facts NCES PSS (SY 2021-22)
- Grades
- 2nd – 8th
- Enrollment
- 224
- Gender Split
- 53% M / 47% F
- Student-Teacher Ratio
- 5.1:1
- Teachers (FTE)
- 44
- Type
- private
- Coed Status
- coed
- Affiliation
- Nonsectarian
- School Day
- 7 hours
- Days Per Year
- 166 days
- Setting
- Large Suburb
- County
- San Mateo County
- Phone
- (650) 592-7570
Resources & Links
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