Excellent
#828 of 9,533 schools in CA
Top 9% in state
Acalanes High
High School · Acalanes Union High
1200 Pleasant Hill Rd., Lafayette, CA 94549
Enrollment
1,250
Student-Teacher
19.8:1
Score
8.3
Grades
9th – 12th
Enrollment
1,250
Student-Teacher
19.8:1
Score
8.3
Grades
9th – 12th
Updated
2022-23
Updated 2022-23
How this school compares
In Lafayette
#2 of 6
public schools
California high schools
#134 of 1,892
In district
#2 of 5
Acalanes Union High
Equity
9.4 / 10
Exceptional
About Acalanes High
Acalanes High is a public high school in Lafayette, CA, part of the Acalanes Union High. The school serves approximately 1,250 students in grades 9th – 12th with a student-teacher ratio of 19.8:1. It holds a MySchoolScout rating of 8.3/10, placing it in the 91.3th percentile among CA schools — an above average rating overall.
Students demonstrate 70% proficiency in math, 38 points above the state average and 87% in reading/language arts, 36 points above the state average. The school scores particularly well in school environment (8.2/10). Located in a neighborhood with a median household income of $231,195, where 77% of adults hold a bachelor's degree or higher.
The school is situated in a large suburban setting.
Score Breakdown
Full Profile · 4/4 metricsView breakdown
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Acalanes High — Students at Acalanes High score 77% proficient, which is above what's typical for similar communities (expected: 71%).
Equity & Diversity
Shown separately, not included in overall scoreFree/Reduced Lunch
8.2%
Students qualifying for federal meal assistance
Test Scores CA CAASPP (2023-24)
Based on 8 test records from CA state assessments. About our data
Proficiency Trend
→ StableAverage 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: 6.2/10.
How Acalanes High Compares
See how Acalanes High performs across key quality dimensions compared to state benchmarks.
Funding & Resources
Performance Trends
Math proficiency has declined from 73% (2019) to 67.24% (2024). Reading/ELA proficiency has declined from 91% (2019) to 87.07% (2024).
Location
1200 Pleasant Hill Rd., Lafayette, CA 94549
Nearby Alternatives
Families considering Acalanes High may also want to explore other high schools in the area. THE SPRINGSTONE SCHOOL (rated 7.9/10, 0.9 miles away), with a comparable rating. Additionally, FUSION ACADEMY WALNUT CREEK DOWNTOWN (rated 7.9/10, 1.6 miles away, in nearby Walnut Creek), with a comparable rating. For more schools in Lafayette, see our Lafayette schools guide .
Nearby Schools
20 within 1.6 mi| School | Distance | Rating |
|---|---|---|
| Springhill Elementary Lafayette | 0.3 mi | 9.0 |
| Diablo Valley Montessori Lafayette | 0.8 mi | — |
| DIABLO VALLEY MONTESSORI SCHOOL Lafayette | 0.8 mi | 6.0 |
| THE SPRINGSTONE SCHOOL Lafayette | 0.9 mi | 7.9 |
| The Springstone School Lafayette | 0.9 mi | — |
| THE CHILD DAY SCHOOL - LAFAYETTE Lafayette | 0.9 mi | — |
| MEHER SCHOOLS Lafayette | 1.0 mi | 6.7 |
| Meher Schools, The Lafayette | 1.0 mi | — |
| M. H. Stanley Middle Lafayette | 1.5 mi | 7.3 |
| CENTER OF ARTS TECHNOLOGY AND SCIENCE Lafayette | 1.4 mi | 4.8 |
| Lafayette Elementary Lafayette | 1.5 mi | 7.4 |
| CONTRA COSTA CHRISTIAN SCHOOL Walnut Creek | 1.6 mi | 7.3 |
| Al Judiy Academy Walnut Creek | 1.5 mi | — |
| Contra Costa Christian Schools Walnut Creek | 1.6 mi | — |
| Grayson Creek Academy Pleasant Hill | 1.8 mi | — |
| St. Perpetua Lafayette | 1.8 mi | — |
| ST PERPETUA SCHOOL Lafayette | 1.8 mi | 4.7 |
| Walnut Creek Christian Academy Walnut Creek | 1.6 mi | — |
| Fusion Academy Walnut Creek Downtown Walnut Creek | 1.6 mi | — |
| FUSION ACADEMY WALNUT CREEK DOWNTOWN Walnut Creek | 1.6 mi | 7.9 |
Neighborhood Census ACS (2019-2023)
Census data for ZIP 94549 (ACS 2019-2023 5-Year Estimates) · Data sources
Median Income
$231,195
Median Home Value
$1,968,500
Median Rent
$2,902/mo
Population
28,247
College Educated
77.2%
Homeownership
78.7%
Avg Commute
28.6 min
Poverty Rate
4.1%
Median Age
45.8
Community Profile
The community surrounding Acalanes High has a median household income of $231,195. It is a well-educated community where 77% of adults hold a bachelor's degree or higher. The median home value in the area is $1,968,500, with a median rent of $2,902/month. The local poverty rate of 4.1% is relatively low. The average commute for residents is 29 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 |
|---|---|
| Blair High Pasadena, CA | 8.3 |
| Woodside High Woodside, CA | 8.3 |
| Azusa High Azusa, CA | 8.4 |
| Miramonte High Orinda, CA | 8.4 |
| Panorama High Panorama City, CA | 8.4 |
| San Dimas High San Dimas, CA | 8.4 |
Frequently Asked Questions
Common questions about Acalanes High
What grades does Acalanes High serve?
Acalanes High serves students in grades 9th through 12th.
How many students attend Acalanes High?
Acalanes High has an enrollment of approximately 1,250 students.
What is the student-teacher ratio at Acalanes High?
The student-teacher ratio at Acalanes High is 19.8:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.
How does Acalanes High rank in CA?
Acalanes High is ranked #828 out of 9,533 schools in CA.
What is Acalanes High's MySchoolScout rating?
Acalanes High has a composite rating of 8.3 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 Acalanes High?
Based on the most recent state assessment data, Acalanes High has 69.9% math proficiency and 87.0% reading/ELA proficiency.
Is Acalanes High a charter school?
No, Acalanes High is not a charter school. It is a traditional public school operated by the local school district.
Is Acalanes High a Title I school?
No, Acalanes High is not currently a Title I school.
What does the Free & Reduced Lunch percentage mean for Acalanes High?
8.2% of students at Acalanes High 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. City-level (Lafayette). Data >1 year old.
Quick Facts NCES CCD (SY 2022-23)
- Grades
- 9th – 12th
- Enrollment
- 1,250
- Student-Teacher Ratio
- 19.8:1
- Teachers (FTE)
- 63
- Free/Reduced Lunch
- 8.2%
- Type
- regular
- Setting
- Large Suburb
- County
- Contra Costa County
- Phone
- (925) 280-3970
- Data Year
- 2023–2024
Resources & Links
District
Acalanes Union High- District Enrollment
- 5,415
- Schools in District
- 5
- Per-Pupil Spending
- $19,127
- District Rank
- #2 of 5
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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