Excellent
#587 of 9,533 schools in CA
Top 6% in state
Arroyo
Elementary School · San Carlos Elementary
1710 Arroyo Ave., San Carlos, CA 94070
Enrollment
287
Student-Teacher
23.9:1
Score
8.6
Grades
4th – 5th
Enrollment
287
Student-Teacher
23.9:1
Score
8.6
Grades
4th – 5th
Updated
2022-23
Updated 2022-23
How this school compares
In San Carlos
#5 of 9
public schools
California elementary schools
#435 of 5,817
In district
#5 of 8
San Carlos Elementary
Equity
9.6 / 10
Exceptional
About Arroyo
Arroyo is a public elementary school in San Carlos, CA, part of the San Carlos Elementary. The school serves approximately 287 students in grades 4th – 5th with a student-teacher ratio of 23.9:1. It holds a MySchoolScout rating of 8.6/10, placing it in the 93.9th percentile among CA schools — an above average rating overall.
Students demonstrate 75% proficiency in math, 38 points above the state average and 79% in reading/language arts, 33 points above the state average. The school scores particularly well in student growth (9.4/10). Located in a neighborhood with a median household income of $235,373, where 68% of adults hold a bachelor's degree or higher.
The school is situated in a large suburban setting.
What Parents Should Know
The student-teacher ratio at Arroyo is 23.9:1, which is higher than the national average. This may mean larger class sizes, so parents should ask about classroom support, teaching assistants, and how the school differentiates instruction for students who need extra help.
Score Breakdown
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Arroyo — Students at Arroyo score 80% proficient, which is above what's typical for similar communities (expected: 72%).
Equity & Diversity
Shown separately, not included in overall scoreFree/Reduced Lunch
7%
Students qualifying for federal meal assistance
Test Scores CA CAASPP (2023-24)
Based on 10 test records from CA state assessments. About our data
Proficiency Trend
↑ ImprovingAverage proficiency (% at or above grade level) across Math & ELA over time.
* 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: 9.4/10.
How Arroyo Compares
See how Arroyo performs across key quality dimensions compared to state benchmarks.
Funding & Resources
Performance Trends
Math proficiency has improved from 73% (2019) to 79.37% (2024). Reading/ELA proficiency has improved from 76% (2019) to 80.77% (2024).
Location
1710 Arroyo Ave., San Carlos, CA 94070
Nearby Alternatives
Families considering Arroyo may also want to explore other elementary schools in the area. Mariposa (rated 9.4/10, 1.5 miles away), which scores slightly higher. Another option is Brittan Acres Elementary (rated 9.2/10, 0.4 miles away), which scores slightly higher. Additionally, Arundel Elementary (rated 9.2/10, 0.8 miles away), which scores slightly higher. For more schools in San Carlos, see our San Carlos schools guide .
Nearby Schools
20 within 1.9 mi| School | Distance | Rating |
|---|---|---|
| Central Middle San Carlos | 0.1 mi | 8.2 |
| Arbor Bay San Carlos | 0.2 mi | — |
| ARBOR BAY SCHOOL San Carlos | 0.2 mi | — |
| Brittan Acres Elementary San Carlos | 0.4 mi | 9.2 |
| ST CHARLES SCHOOL San Carlos | 0.5 mi | 5.2 |
| KINDERCOURT ACADEMY San Carlos | 0.5 mi | 6.5 |
| White Oaks Elementary San Carlos | 0.7 mi | 5.4 |
| Arundel Elementary San Carlos | 0.8 mi | 9.2 |
| Heather Elementary San Carlos | 0.9 mi | 6.0 |
| Redwood High Redwood City | 0.9 mi | 6.4 |
| Clifford Elementary Redwood City | 1.3 mi | 5.5 |
| CHARLES ARMSTRONG SCHOOL Belmont | 1.4 mi | 7.6 |
| San Mateo County Special Education Redwood City | 1.8 mi | 7.4 |
| Charles Armstrong School Belmont | 1.5 mi | — |
| San Carlos Charter Learning Center San Carlos | 1.5 mi | 8.4 |
| Tierra Linda Middle San Carlos | 1.5 mi | 9.0 |
| Mariposa San Carlos | 1.5 mi | 9.4 |
| Carlmont High Belmont | 1.5 mi | 9.1 |
| CREATIVE LEARNING CENTER Redwood City | 1.6 mi | 6.9 |
| Nesbit Elementary Belmont | 1.9 mi | 4.6 |
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 Arroyo 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 |
|---|---|
| Apperson Street Elementary Sunland, CA | 8.6 |
| Aveson School of Leaders Altadena, CA | 8.6 |
| Burbank Boulevard Elementary North Hollywood, CA | 8.6 |
| Emerson Parkside Academy Long Beach, CA | 8.6 |
| Enders Elementary Garden Grove, CA | 8.6 |
| Everest Value Los Angeles, CA | 8.6 |
Frequently Asked Questions
Common questions about Arroyo
What grades does Arroyo serve?
Arroyo serves students in grades 4th through 5th.
How many students attend Arroyo?
Arroyo has an enrollment of approximately 287 students.
What is the student-teacher ratio at Arroyo?
The student-teacher ratio at Arroyo is 23.9:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.
How does Arroyo rank in CA?
Arroyo is ranked #587 out of 9,533 schools in CA.
What is Arroyo's MySchoolScout rating?
Arroyo has a composite rating of 8.6 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.
What are the test scores at Arroyo?
Based on the most recent state assessment data, Arroyo has 75.0% math proficiency and 78.7% reading/ELA proficiency.
Is Arroyo a charter school?
No, Arroyo is not a charter school. It is a traditional public school operated by the local school district.
Is Arroyo a Title I school?
No, Arroyo is not currently a Title I school.
What does the Free & Reduced Lunch percentage mean for Arroyo?
7.0% of students at Arroyo qualify for free or reduced-price lunch. This is a commonly used indicator of economic need and provides important context when interpreting test scores.
Explore More Schools
Neighborhood Context
Powered by 
FBI UCR 2024. County-level only. Data >1 year old.
Quick Facts NCES CCD (SY 2022-23)
- Grades
- 4th – 5th
- Enrollment
- 287
- Student-Teacher Ratio
- 23.9:1
- Teachers (FTE)
- 12
- Free/Reduced Lunch
- 7.0%
- Type
- regular
- Setting
- Large Suburb
- County
- San Mateo County
- Phone
- (650) 632-8300
- Data Year
- 2023–2024
Resources & Links
District
San Carlos Elementary- District Enrollment
- 2,770
- Schools in District
- 9
- Per-Pupil Spending
- $18,611
- District Rank
- #5 of 8
Other Schools in This District
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
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