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Excellent

#13 of 9,539 schools in CA

Top 1% in state

Mariposa

Elementary School · San Carlos Elementary

750 Dartmouth Ave., San Carlos, CA 94070

Enrollment

286

Student-Teacher

20.4:1

Score

9.7

Grades

4th – 5th

Data vintage2022-23

How this school compares

California schools

#13 of 9,539

In San Carlos

#1 of 9

public schools

In district

#1 of 8

San Carlos Elementary

Academic growth

10.0 / 10

Excellent

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Mariposa

9.7/10

Elementary School in San Carlos · grades 4th – 5th. Start here, then compare fit against nearby and district options.

Arundel Elementary

9.4/10

San Carlos, CA. Compare side by side with Mariposa before ruling this option in or out.

Brittan Acres Elementary

9.5/10

San Carlos, CA. Compare side by side with Mariposa before ruling this option in or out.

About Mariposa

Mariposa is a public elementary school in San Carlos, CA, part of San Carlos Elementary. Mariposa serves approximately 286 students, and covers grades 4th-5th, and has a 20.4:1 student-teacher ratio. Mariposa has a current MySchoolScout rating of 9.7 out of 10 and ranks #13 of 9,539 schools in CA.

Structured state assessment records for Mariposa show 81% math proficiency (multi-year average, 2020-2024) and 82% reading/ELA proficiency (multi-year average, 2020-2024).

How it compares0.4 pts above district
  • This school 9.7 · Excellent
  • District avg 9.3
  • CA avg 6.2

What Parents Should Know

Mariposa runs 20.4:1 students to teachers, above the national average. That often means bigger classes. Ask how the school supports kids who need extra help, and whether there are teaching assistants or small-group time.

Score Breakdown

Full Profile · 3/3 metrics
Student Progress10.0Excellent50%
Year-over-year improvement in student test scores.
View breakdown
Years of Data4
Annual Change+2.97 pts/yr
Data Period2020–2024
TrendImproving
Academics9.7Excellent30%
Student proficiency on state tests, adjusted for community poverty levels.
View breakdown
Math Proficiency86.2% (2024 CAASPP)
Reading/ELA Proficiency84.6% (2024 CAASPP)
Math vs. State Avg+44.9 pts
Reading vs. State Avg+40.6 pts
Overall Proficiency85% (2024 CAASPP, Math+ELA)
Expected (poverty-adj.)69% (model expectation from 2024 CAASPP)
vs. Expected+16.5 pts
Adjusted Percentile95th
Resources & Environment9.1Excellent20%
Student-teacher ratio, per-pupil spending, and attendance.
View breakdown
Student-Teacher Ratio20.4:1
Per-Pupil Spending$18,611
Chronic Absenteeism8%

Mariposa — Students at Mariposa score 85% proficient, which is above what's typical for similar communities (expected: 69%).

How we calculate scores →

Equity & Diversity

Shown separately, not included in overall score

Free/Reduced Lunch

9.8%

Students qualifying for federal meal assistance

Test Scores CA CAASPP (2023-24)

Math Proficiency 80.7% (multi-year average, 2020-2024)
School
State
37.3% (2024 CAASPP)
ELA Proficiency 82.1% (multi-year average, 2020-2024)
School
State
46.2% (2024 CAASPP)

Based on 12 test records from CA state assessments. About our data

Proficiency Trend

↑ Improving

Average proficiency (% at or above grade level) across Math & ELA over time.

2020*
Math
72%
ELA
76%
2021*
Math
72%
ELA
76%
2022
Math
81.7%
ELA
87%
2024
Math
86.1%
ELA
84.6%

* COVID-affected year — test participation was uneven nationwide. This data is weighted at 50% in the Growth score calculation.

Source: EdFacts (NCES) and state assessment data. Growth score: 10.0/10.

How Mariposa Compares

See how Mariposa performs across key quality dimensions compared to state benchmarks.

Overall Score
9.7/10
100th percentile in CA
Academic
9.7/10
Excellent
Growth
10.0/10
Excellent
Environment
9.1/10
Excellent

Funding & Resources

Free/Reduced Lunch
Students eligible for subsidized meals
10%
Teaching Staff
20:1 student-teacher ratio
14 teachers
Chronic Absenteeism
Students missing 15+ days per year (SY 2022-23)
8.0%

Location

750 Dartmouth Ave., San Carlos, CA 94070

Nearby Alternatives

Families considering Mariposa may also want to explore other elementary schools in the area. Brittan Acres Elementary (rated 9.5/10, 1.4 miles away), with a very similar rating. Another option is Arundel Elementary (rated 9.4/10, 0.7 miles away), with a very similar rating. Additionally, San Carlos Charter Learning Center (rated 9.2/10, 0.1 miles away), with a comparable rating. For more schools in San Carlos, see our San Carlos schools guide .

Nearby Schools

20 within 1.4 mi
School Distance Rating
Tierra Linda Middle San Carlos 0.0 mi 8.9
San Carlos Charter Learning Center San Carlos 0.1 mi 9.2
Carlmont High Belmont 0.2 mi 9.2
Charles Armstrong School Belmont 0.2 mi
CHARLES ARMSTRONG SCHOOL Belmont 0.2 mi 7.6
NOTRE DAME HIGH SCHOOL Belmont 0.5 mi 5.6
IMMACULATE HEART OF MARY SCHOOL Belmont 0.5 mi 7.8
NOTRE DAME ELEMENTARY SCHOOL Belmont 0.7 mi 7.2
BELMONT OAKS ACADEMY Belmont 0.6 mi 6.6
Belmont Oaks Academy Belmont 0.7 mi
Arundel Elementary San Carlos 0.7 mi 9.4
Central Elementary Belmont 1.1 mi 8.8
Heather Elementary San Carlos 1.3 mi 8.4
Serendipity School Belmont 1.2 mi
SERENDIPITY SCHOOL Belmont 1.2 mi 8.3
Nesbit Elementary Belmont 1.3 mi 7.4
Cipriani Elementary Belmont 1.2 mi 8.3
ST CHARLES SCHOOL San Carlos 1.3 mi 5.2
Crystal Springs Uplands School-Middle School Campus Belmont 1.3 mi
Brittan Acres Elementary San Carlos 1.4 mi 9.5

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

Similar Schools

Schools in the same state with comparable level, size, and ratings

School Rating
Beach Elementary Piedmont, CA 9.6
Cold Spring Elementary Santa Barbara, CA 9.8
Duff Language Magnet Academy Rosemead, CA 9.8
Argonaut Elementary Saratoga, CA 9.5
Brittan Acres Elementary San Carlos, CA 9.5
Montecito Union Santa Barbara, CA 9.5

Compare Mariposa with similar schools nearby

Side-by-side ratings, test scores, and demographics for the schools parents most often weigh against this one.

Frequently Asked Questions

Common questions about Mariposa

What grades does Mariposa serve?

Mariposa serves students in grades 4th through 5th.

How many students attend Mariposa?

Mariposa has an enrollment of approximately 286 students.

What is the student-teacher ratio at Mariposa?

The student-teacher ratio at Mariposa is 20.4:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.

How does Mariposa rank in CA?

Mariposa ranks #13 of 9,539 schools in CA.

What is Mariposa's MySchoolScout rating?

Mariposa has a current MySchoolScout rating of 9.7 out of 10. This score combines the level-appropriate components shown in the rating breakdown; equity data is shown separately for context.

What are the test scores at Mariposa?

Based on loaded state assessment records, Mariposa has 81% math proficiency (multi-year average, 2020-2024) and 82% reading/ELA proficiency (multi-year average, 2020-2024).

Is Mariposa a charter school?

No, Mariposa is not a charter school. It is a traditional public school operated by the local school district.

Is Mariposa a Title I school?

No, Mariposa is not currently a Title I school.

What does the Free & Reduced Lunch percentage mean for Mariposa?

9.8% of students at Mariposa qualify for free or reduced-price lunch. This is a commonly used indicator of economic need and provides important context when interpreting test scores.

11 schools nearby View map →

Neighborhood Context

Walk Score
54 Somewhat Walkable
Bike Score
26 Somewhat Bikeable

Powered by Walk Score

Compare This School

How does Mariposa stack up?

Arundel Elementary
9.4
Brittan Acres Elementary
9.5
Compare Selected →

Quick Facts NCES CCD (SY 2022-23)

Grades
4th – 5th
Enrollment
286
Student-Teacher Ratio
20.4:1
Teachers (FTE)
14
Free/Reduced Lunch
9.8%
Type
regular
Setting
Large Suburb
County
San Mateo County
Chronic Absenteeism (SY 2022-23)
8.0%

District

San Carlos Elementary
District Enrollment
2,770
Schools in District
9
Per-Pupil Spending
$18,611
District Rank
#1 of 8

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.

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