Average
#1458 of 1,790 private schools in CA
St Charles School
Elementary School
850 TAMARACK AVE, San Carlos, CA 94070
Estimated academic score. This school does not have standardized test data. Based on 9 schools in San Carlos. Learn more
Enrollment
276
Student-Teacher
15.9:1
Score
5.2
Grades
Kindergarten – 8th
Enrollment
276
Student-Teacher
15.9:1
Score
5.2
Grades
Kindergarten – 8th
Updated
2021-22
Updated 2021-22
How this school compares
In San Carlos
#2 of 2
public schools
California elementary schools
#880 of 1,102
Academic performance
9.2 / 10
Exceptional
About St Charles School
ST Charles School serves 276 students in kindergarten through eighth grade in San Carlos, offering a comprehensive elementary education in one of California's most affluent communities. With 17 full-time equivalent teachers, the school maintains a student-teacher ratio of 15.9:1, providing students with personalized attention in their academic journey. The school earns a MySchoolScout rating of 7.1 out of 10 and ranks #1361 out of 1790 California elementary schools, placing it in the 24th percentile statewide.
This regular public school focuses on student development across all grade levels, with room for continued academic growth. ST Charles School draws families from the surrounding San Carlos area, where the median household income reaches $220,323 and home values average $2 million. The community demonstrates a strong commitment to education, with 67% of residents holding bachelor's degrees or higher.
The neighborhood maintains an exceptionally low poverty rate of just 3%, reflecting the area's economic stability. Located on Tamarack Avenue in this large suburban setting, ST Charles School serves a well-educated, prosperous community of over 31,000 residents who value educational opportunity and academic achievement for their children.
What Parents Should Know
As a private school, St Charles 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 St Charles School compares to 9 public schools serving similar grades in San Carlos, CA
Student Demographics
Nearby Elementary Schools
| School | Rating |
|---|---|
| St Charles School (this school) | 5.2 |
| Brittan Acres Elementary | 9.2 |
| Central Middle | 8.2 |
| Arroyo | 8.6 |
| Heather Elementary | 6.0 |
| Arundel Elementary | 9.2 |
| White Oaks Elementary | 5.4 |
| Mariposa | 9.4 |
| Tierra Linda Middle | 9.0 |
| San Carlos Charter Learning Center | 8.4 |
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
850 TAMARACK AVE, San Carlos, CA 94070
Nearby Alternatives
Families considering St Charles School may also want to explore other elementary schools in the area. Mariposa (rated 9.4/10, 1.3 miles away), which scores notably higher. Another option is Brittan Acres Elementary (rated 9.2/10, 0.1 miles away), which scores notably higher. Additionally, Arundel Elementary (rated 9.2/10, 0.7 miles away), which scores notably higher. For more schools in San Carlos, see our San Carlos schools guide .
Nearby Schools
20 within 2.1 mi| School | Distance | Rating |
|---|---|---|
| Brittan Acres Elementary San Carlos | 0.1 mi | 9.2 |
| Central Middle San Carlos | 0.5 mi | 8.2 |
| Arroyo San Carlos | 0.5 mi | 8.6 |
| Arbor Bay San Carlos | 0.5 mi | — |
| ARBOR BAY SCHOOL San Carlos | 0.5 mi | — |
| Heather Elementary San Carlos | 0.5 mi | 6.0 |
| Arundel Elementary San Carlos | 0.7 mi | 9.2 |
| Clifford Elementary Redwood City | 1.0 mi | 5.5 |
| White Oaks Elementary San Carlos | 0.8 mi | 5.4 |
| KINDERCOURT ACADEMY San Carlos | 0.9 mi | 6.5 |
| CHARLES ARMSTRONG SCHOOL Belmont | 1.3 mi | 7.6 |
| Charles Armstrong School Belmont | 1.4 mi | — |
| Tierra Linda Middle San Carlos | 1.3 mi | 9.0 |
| Mariposa San Carlos | 1.3 mi | 9.4 |
| San Carlos Charter Learning Center San Carlos | 1.4 mi | 8.4 |
| Redwood High Redwood City | 1.2 mi | 6.4 |
| Carlmont High Belmont | 1.3 mi | 9.1 |
| NOTRE DAME HIGH SCHOOL Belmont | 1.7 mi | 5.6 |
| Nesbit Elementary Belmont | 2.0 mi | 4.6 |
| San Mateo County Special Education Redwood City | 2.1 mi | 7.4 |
Neighborhood Census ACS (2019-2023)
Census data for ZIP 94070 (ACS 2019-2023 5-Year Estimates) · Data sources
Median Income
$235,373
Median Home Value
$2,000,001
Median Rent
$2,802/mo
Population
30,696
College Educated
68.4%
Homeownership
69%
Avg Commute
25.4 min
Poverty Rate
3.2%
Median Age
41.6
Community Profile
The community surrounding St Charles School has a median household income of $235,373. It is a well-educated community where 68% of adults hold a bachelor's degree or higher. The median home value in the area is $2,000,001, with a median rent of $2,802/month. The local poverty rate of 3.2% is relatively low. The average commute for residents is 25 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 |
|---|---|
| Adelanto Elementary Adelanto, CA | 5.2 |
| Albert Schweitzer Elementary Carmichael, CA | 5.2 |
| Bryant Elementary Long Beach, CA | 5.2 |
| Carson Elementary San Diego, CA | 5.2 |
| Cedarwood Elementary Magalia, CA | 5.2 |
| Coleman Elementary San Rafael, CA | 5.2 |
Frequently Asked Questions
Common questions about St Charles School
What grades does St Charles School serve?
St Charles School serves students in grades Kindergarten through 8th.
How many students attend St Charles School?
St Charles School has an enrollment of approximately 276 students.
What is the student-teacher ratio at St Charles School?
The student-teacher ratio at St Charles School is 15.9:1. A lower ratio generally means more individual attention per student. The national average is approximately 11:1 for private schools.
How does St Charles School rank in CA?
St Charles School is ranked #1458 out of 1,790 private schools in CA.
What is St Charles School's MySchoolScout rating?
St Charles School has a composite rating of 5.2 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 St Charles School a private school?
Yes, St Charles School is a private coeducational 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 St Charles School a religious school?
St Charles School has a Roman Catholic religious affiliation.
Explore More Schools
Quick Facts NCES PSS (SY 2021-22)
- Grades
- Kindergarten – 8th
- Enrollment
- 276
- Gender Split
- 51% M / 49% F
- Student-Teacher Ratio
- 15.9:1
- Teachers (FTE)
- 17
- Type
- private
- Coed Status
- coed
- Affiliation
- Roman Catholic
- School Day
- 6.8 hours
- Days Per Year
- 180 days
- Setting
- Large Suburb
- County
- SAN MATEO
- Phone
- (650) 593-1629
- 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.
Read our full methodologyRelated reading
- Best Elementary Schools in America: 2026 Rankingsbest schools
- Best Public Schools in California 2026: Top-Ranked Elementary, Middle & High Schoolsbest schools
- Best School Districts to Move To in 2026: A Data-Driven Guidebest schools
- Best Schools in Los Angeles, CA — 2026 Rankingsbest schools
- Best Schools in San Diego, CA — 2026 Rankingsbest schools
Get school insights in your inbox
New rankings, best-schools lists, and parent guides — delivered free. No spam, unsubscribe anytime.
We respect your privacy. Unsubscribe at any time.