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Average

#1458 of 1,790 private schools in CA

St Charles School

Elementary School

850 TAMARACK AVE, San Carlos, CA 94070

Private Estimated Score

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

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

Beta

How St Charles School compares to 9 public schools serving similar grades in San Carlos, CA

Student-Teacher Ratio
15.9:1
This School
vs
21.3:1
Public Avg
Avg School Size
276
This School
vs
348
Public Avg
Avg School Scout Rating
5.2
This School
vs
8.2
Public Avg

Student Demographics

White 79% vs 0%
Hispanic 5.8% vs 0%
Asian 2.2% vs 0%
Black 0.4% vs 0%
St Charles School San Carlos Public Avg

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.

Classroom Attention
? Student-teacher ratio calibrated against other private schools. Lower ratios mean more individual attention. (30% of overall score)
C+ 4.1 / 10
View breakdown
Student-Teacher Ratio 15.9:1
Instructional Commitment
? Total annual instructional hours based on school day length and days per year. (15% of overall score)
B 6.1 / 10
View breakdown
School Day Length 6.8 hours
Annual Instructional Hours 1,224
Diversity & Inclusion
? Racial and ethnic diversity of the student body using Simpson's diversity index. (20% of overall score)
C+ 4.2 / 10
View breakdown
Diversity Index 36%
Community Context

Data Unavailable

School Profile
? Enrollment size and grade span breadth — indicators of program depth and peer community. (15% of overall score)
A- 8.1 / 10
View breakdown
Enrollment 276
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)

White 79.0%
Two or More 12.7%
Hispanic 5.8%
Asian 2.2%
Black 0.4%

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.

11 schools nearby View map →

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
Data Year
2022–2023

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 methodology

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