Needs Improvement
#9494 of 9,533 schools in CA
Stone Bridge
Elementary School · Stone Bridge District
1019 2nd Ave., Napa, CA 94558
Enrollment
277
Student-Teacher
27.7:1
Score
2.6
Grades
Kindergarten – 8th
Enrollment
277
Student-Teacher
27.7:1
Score
2.6
Grades
Kindergarten – 8th
Updated
2022-23
Updated 2022-23
How this school compares
In Napa
#23 of 23
public schools
California elementary schools
#5,786 of 5,817
About Stone Bridge
Stone Bridge is a charter school located in Napa, California, serving students from kindergarten through eighth grade. The school's enrollment stands at 277 students, with a student-to-teacher ratio of 27.7:1, managed by ten full-time equivalent teachers. Stone Bridge focuses on providing a comprehensive education within its small suburban setting.
Academically, the school has room for growth according to MySchoolScout’s rating of 3.7 out of 10 and a state ranking of #7421 out of 9566 schools in California. In reading and language arts, 46% of students are proficient or above, while in math, the proficiency rate is 36%. These scores suggest that Stone Bridge is dedicated to supporting its students' development through targeted educational programs and community resources.
Stone Bridge is situated in a quiet suburban area where it plays an important role in the local community.
What Parents Should Know
The student-teacher ratio at Stone Bridge is 27.7:1, 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.
Stone Bridge is a charter school — a publicly funded school that operates with more autonomy than traditional district schools. Charter schools often have distinct educational models or specialties. Parents should understand the school's specific mission, enrollment process, and how its approach differs from nearby district options.
Score Breakdown
Full Profile · 3/3 metricsView breakdown
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Stone Bridge — Students at Stone Bridge score 38% proficient, which is below what's typical for similar communities (expected: 68%).
Equity & Diversity
Shown separately, not included in overall scoreFree/Reduced Lunch
13.4%
Students qualifying for federal meal assistance
Test Scores CA CAASPP (2023-24)
Based on 16 test records from CA state assessments. About our data
Proficiency Trend
↓ DecliningAverage proficiency (% at or above grade level) across Math & ELA over time.
Source: EdFacts (NCES) and state assessment data. Growth score: 1.4/10.
How Stone Bridge Compares
See how Stone Bridge performs across key quality dimensions compared to state benchmarks.
Funding & Resources
Performance Trends
Math proficiency has declined from 52% (2019) to 33.33% (2024). Reading/ELA proficiency has declined from 72% (2019) to 42.11% (2024).
Location
1019 2nd Ave., Napa, CA 94558
Nearby Alternatives
Families considering Stone Bridge may also want to explore other elementary schools in the area. Napa Valley Language Academy (rated 7.2/10, 3.2 miles away), which scores notably higher. Another option is BLUE OAK SCHOOL (rated 6.9/10, 2.4 miles away), which scores notably higher. Additionally, Phillips Elementary (rated 5.5/10, 1.2 miles away), which scores notably higher. For more schools in Napa, see our Napa schools guide .
Nearby Schools
20 within 3.2 mi| School | Distance | Rating |
|---|---|---|
| Silverado Middle Napa | 0.9 mi | 4.6 |
| Napa County Community Napa | 1.3 mi | 5.8 |
| Phillips Elementary Napa | 1.2 mi | 5.5 |
| New Beginnings Napa | 1.5 mi | — |
| Alta Heights Elementary Napa | 1.5 mi | 4.9 |
| THE OXBOW SCHOOL Napa | 1.8 mi | 7.1 |
| Vichy Elementary Napa | 2.8 mi | 5.4 |
| New Technology High Napa | 2.4 mi | 5.2 |
| BLUE OAK SCHOOL Napa | 2.4 mi | 6.9 |
| Shearer Elementary Napa | 2.4 mi | 3.4 |
| McPherson Elementary Napa | 2.8 mi | 3.8 |
| HOPPER CREEK MONTESSORI Napa | 2.8 mi | — |
| Kolbe Academy Napa | 2.9 mi | — |
| Napa Christian Campus of Education Napa | 2.9 mi | — |
| NAPA CHRISTIAN CAMPUS OF EDUCATION Napa | 2.9 mi | 7.0 |
| Napa High Napa | 3.0 mi | 5.1 |
| Napa County Juvenile Hall/Court Napa | 3.0 mi | — |
| Valley Oak High Napa | 3.3 mi | 5.8 |
| Napa Valley Independent Studies Napa | 3.3 mi | 5.6 |
| Napa Valley Language Academy Napa | 3.2 mi | 7.2 |
Neighborhood Census ACS (2019-2023)
Census data for ZIP 94558 (ACS 2019-2023 5-Year Estimates) · Data sources
Median Income
$109,444
Median Home Value
$855,600
Median Rent
$2,248/mo
Population
64,552
College Educated
38.3%
Homeownership
67.3%
Avg Commute
23.6 min
Poverty Rate
8.5%
Median Age
44.5
Community Profile
The community surrounding Stone Bridge has a median household income of $109,444. It is an area where 38% of adults hold a bachelor's degree or higher. The median home value in the area is $855,600, with a median rent of $2,248/month. The local poverty rate of 8.5% is relatively low. The average commute for residents is 24 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 |
|---|---|
| Aspire Slauson Academy Charter Oakland, CA | 2.6 |
| Golden Charter Academy Fresno, CA | 2.6 |
| Jefferson Elementary Taft, CA | 2.6 |
| Clover Flat Elementary Boulevard, CA | 2.7 |
| Crest Elementary El Cajon, CA | 2.5 |
| Hillcrest Elementary San Francisco, CA | 2.7 |
Frequently Asked Questions
Common questions about Stone Bridge
What grades does Stone Bridge serve?
Stone Bridge serves students in grades Kindergarten through 8th.
How many students attend Stone Bridge?
Stone Bridge has an enrollment of approximately 277 students.
What is the student-teacher ratio at Stone Bridge?
The student-teacher ratio at Stone Bridge is 27.7:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.
How does Stone Bridge rank in CA?
Stone Bridge is ranked #9494 out of 9,533 schools in CA.
What is Stone Bridge's MySchoolScout rating?
Stone Bridge has a composite rating of 2.6 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 Stone Bridge?
Based on the most recent state assessment data, Stone Bridge has 36.0% math proficiency and 46.5% reading/ELA proficiency.
Is Stone Bridge a charter school?
Yes, Stone Bridge is a charter school. Charter schools are publicly funded but independently operated, often with more flexibility in curriculum and teaching methods.
Is Stone Bridge a Title I school?
No, Stone Bridge is not currently a Title I school.
What does the Free & Reduced Lunch percentage mean for Stone Bridge?
13.4% of students at Stone Bridge 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
- City Safety
- High (1,705/100K)
FBI UCR 2024. City-level (Napa). Data >1 year old.
Quick Facts NCES CCD (SY 2022-23)
- Grades
- Kindergarten – 8th
- Enrollment
- 277
- Student-Teacher Ratio
- 27.7:1
- Teachers (FTE)
- 10
- Free/Reduced Lunch
- 13.4%
- Type
- regular
- Setting
- Small Suburb
- County
- Napa County
- Phone
- (707) 252-5522
- Data Year
- 2023–2024
Resources & Links
District
Stone Bridge District- District Enrollment
- 277
- Schools in District
- 1
- Per-Pupil Spending
- $10,109
- District Rank
- #1 of 1
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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