Average
#1456 of 1,787 private schools in CA
St Charles School
Elementary School · San Carlos, CA
A private elementary school in San Carlos, CA serving grades Kindergarten – 8th.
850 TAMARACK AVE, San Carlos, CA 94070
- 15.9:1 student-teacher ratio
Academics
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 not available
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
Most recent published year. School vs. CA average.
Test score data not yet available for this school.
How we rate schools
A clear 1–10 score built from public data — growth, academics, and learning environment. No hidden criteria, no pay-to-play.
See how we rateThe neighborhood
Where St Charles School sits, and what the surrounding area looks like.
Nearby same-level schools are colored by their score. Pins are locations, not attendance boundaries. Open the San Francisco Bay Area map →
Getting around & local context
- Walk 35Car-Dependent
- Bike 32Somewhat Bikeable
- County Safety: Average252/100K
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FBI Uniform Crime Reporting · 2024 · county context, not school-level safety or attendance eligibility. Source details
Source period: 2024. A newer release may be available.
Area profileU.S. Census ACS 5-year estimates (ACS 2019–2023 5-year estimates)
Median income
$235,373
Median home value
$2,000,001
Median rent
$2,802/mo
College educated
68.4%
Homeownership
69%
Poverty rate
3.2%
ACS 2019–2023 5-year estimates for the ZCTA associated with school ZIP 94070; this is area context, not an attendance boundary.
Programs & students
Student demographicsNCES Private School Universe Survey (PSS) (SY 2021–22)
Source: NCES Private School Universe Survey (PSS)
Compare nearby
Nearby same-level schools
4 from a 5-mile search
| School | Score | Grades | Distance | Enrollment | Compare |
|---|---|---|---|---|---|
| Brittan Acres ElementaryEnrollment path unverified | 9.5 | K–3 | 0.1 mi | 372 | Compare → |
| Arbor BayPrivate · tuition | Not rated | K–8 | 0.5 mi | 29 | Compare → |
| Arbor Bay SchoolPrivate · tuition | Not rated | K–8 | 0.5 mi | 29 | Compare → |
| ArroyoEnrollment path unverified | 9.2 | 4–5 | 0.5 mi | 287 | Compare → |
Distance is proximity only; it is not attendance eligibility.
Enrollment path unverified: Potential public school; its attendance or application path has not been classified.
Private · tuition: Potential private option; tuition and admission requirements have not been verified.
St Charles School is listed in San Carlos, CA; verify the current enrollment path directly.
About St Charles School
St Charles School is a private elementary school in San Carlos, CA, serving approximately 276 students in grades Kindergarten-8th with a 15.9:1 student-teacher ratio. It holds a MySchoolScout rating of 5.2 out of 10 and ranks #1,456 of 1,787 private schools in CA.
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 ranks #1,456 of 1,787 private schools in CA.
What is St Charles School's MySchoolScout rating?
St Charles School has a current MySchoolScout rating of 5.2 out of 10. This score combines the level-appropriate components shown in the rating breakdown; 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.
School factsNCES Private School Universe Survey (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 County
- Phone
- (650) 593-1629
- Area population (ZIP 94070)
- 30,696
- Area average commute
- 25.4 min
- Area median age
- 41.6
About this school's data
Every number on this page comes from a published source with a stated period. Where a source is partial, aging, or describes a surrounding area rather than the school, that limitation is named below.
- School directory (enrollment, grades, staff, contact)
- NCES Private School Universe Survey (PSS) · SY 2021–22 · Low confidence
- Vintage not available. Do not use this measure alone.
- MySchoolScout rating and rank
- MySchoolScout ranking model · Low confidence
- Vintage not available. Do not use this measure alone.
- Available for part of the eligible units; results may not represent the full area.
- Derived as a weighted blend of the component scores shown in Academics from state assessment, EdFacts growth, and NCES resource records.
- Neighborhood (income, housing, education)
- U.S. Census ACS 5-year estimates · ACS 2019–2023 5-year estimates · Low confidence
- Older source: ACS 2019–2023 5-year estimates. Use as historical context.
- Reported for the ZCTA for ZIP 94070; this does not measure the attendance area.
Evidence periods: Rating mixed/unknown input periods; assessments vintage unavailable; directory SY 2021–22
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