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Excellent

#646 of 9,539 schools in CA

Top 7% 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

8.6

Grades

9th – 12th

Data vintage2022-23

How this school compares

California schools

#646 of 9,539

In Lafayette

#4 of 6

public schools

In district

#3 of 5

Acalanes Union High

Equity

9.4 / 10

Excellent

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Acalanes High

8.6/10

High School in Lafayette · grades 9th – 12th. Start here, then compare fit against nearby and district options.

Springhill Elementary

9.1/10

0.3 mi away. Use as a geographic alternative in the same move search.

Diablo Valley Montessori

Nearby

0.8 mi away. Use as a geographic alternative in the same move search.

About Acalanes High

Acalanes High is a public high school in Lafayette, CA, part of Acalanes Union High. Acalanes High serves approximately 1,250 students, and covers grades 9th-12th, and has a 19.8:1 student-teacher ratio. Acalanes High has a current MySchoolScout rating of 8.6 out of 10 and ranks #646 of 9,539 schools in CA.

Structured state assessment records for Acalanes High show 78% math proficiency (multi-year average, 2009-2024) and 88% reading/ELA proficiency (multi-year average, 2009-2024).

How it comparesOn par with district
  • This school 8.6 · Excellent
  • District avg 8.4
  • CA avg 6.5

Score Breakdown

Full Profile · 4/4 metrics
Student Progress7.4Very Good25%
Year-over-year improvement in student test scores.
View breakdown
Years of Data14
Annual Change-1.02 pts/yr
Data Period2009–2024
TrendDeclining
Academics9.0Excellent25%
Student proficiency on state tests, adjusted for community poverty levels.
View breakdown
Math Proficiency67.2% (2024 CAASPP)
Reading/ELA Proficiency87.1% (2024 CAASPP)
Math vs. State Avg+39.2 pts
Reading vs. State Avg+31.2 pts
Overall Proficiency77% (2024 CAASPP, Math+ELA)
Expected (poverty-adj.)70% (model expectation from 2024 CAASPP)
vs. Expected+7.4 pts
Adjusted Percentile85th
College Readiness8.9Excellent30%
Graduation rates, AP course participation, and IB availability.
View breakdown
4-Year Graduation Rate98%
AP Participation42.5%
IB ProgramNo
Resources & Environment9.3Excellent20%
Student-teacher ratio, per-pupil spending, and attendance.
View breakdown
Student-Teacher Ratio19.8:1
Per-Pupil Spending$19,127
Chronic Absenteeism10.2%

Acalanes High — Students at Acalanes High score 77% proficient, which is above what's typical for similar communities (expected: 70%).

How we calculate scores →

Equity & Diversity

Shown separately, not included in overall score

Free/Reduced Lunch

8.2%

Students qualifying for federal meal assistance

Test Scores CA CAASPP (2023-24)

Math Proficiency 77.6% (multi-year average, 2009-2024)
School
State
31.8% (2024 CAASPP)
ELA Proficiency 87.5% (multi-year average, 2009-2024)
School
State
51.5% (2024 CAASPP)

Based on 30 test records from CA state assessments. About our data

Proficiency Trend

→ Stable

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

2009
Math
92%
ELA
91%
2010
Math
89%
ELA
89%
2011
Math
89%
ELA
89%
2012
Math
88%
ELA
90%
2013
Math
89%
ELA
88%
2014
Math
74%
ELA
82%
2015
Math
71%
ELA
91%
2016
Math
78%
ELA
90%
2017
Math
69%
ELA
80%
2018
Math
73%
ELA
91%
2019
Math
73%
ELA
91%
2020*
Math
72%
ELA
83%
2021*
Math
72%
ELA
83%
2024
Math
67.2%
ELA
87.1%

* 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: 7.4/10.

How Acalanes High Compares

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

Overall Score
8.6/10
93th percentile in CA
Academic
9.0/10
Excellent
Growth
7.4/10
Very Good
Environment
9.3/10
Excellent
AP Courses
3
State avg: 2.6
Sports
26
13 boys' · 13 girls'
Advanced STEM
5/5
Subjects offered

Funding & Resources

Free/Reduced Lunch
Students eligible for subsidized meals
8%
Teaching Staff
20:1 student-teacher ratio
63 teachers
Chronic Absenteeism
Students missing 15+ days per year (SY 2022-23)
10.2%

Programs & Offerings

AP/IB Programs3 AP courses offered
42.5% participation·State avg: 2.6 AP courses·CRDC 2021-22
Athletics26sports offered
13 boys'·13 girls'·57 teams (incl. JV)·CRDC 2021-22
Advanced STEM Courses5 of 5 advanced subjects offered
Algebra II, Advanced Math, Calculus, Chemistry, Physics·CRDC 2021-22

Data as of 2021-22 · Source: CRDC via Urban Institute · Learn more

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 9.1
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 8.9
CENTER OF ARTS TECHNOLOGY AND SCIENCE Lafayette 1.4 mi 4.8
Lafayette Elementary Lafayette 1.5 mi 8.7
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

Similar Schools

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

School Rating
Carmel High Carmel, CA 8.6
Francisco Bravo Medical Magnet High Los Angeles, CA 8.6
Mission Vista High Vista, CA 8.6
University City High San Diego, CA 8.6
Woodrow Wilson Senior High Los Angeles, CA 8.6
Abraham Lincoln Senior High Los Angeles, CA 8.5

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 ranks #646 of 9,539 schools in CA.

What is Acalanes High's MySchoolScout rating?

Acalanes High has a current MySchoolScout rating of 8.6 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 Acalanes High?

Based on loaded state assessment records, Acalanes High has 78% math proficiency (multi-year average, 2009-2024) and 88% reading/ELA proficiency (multi-year average, 2009-2024).

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.

11 schools nearby View map →

Neighborhood Context

Walk Score
22 Car-Dependent
Bike Score
36 Somewhat Bikeable

Powered by Walk Score

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
Chronic Absenteeism (SY 2022-23)
10.2%
4-Year Graduation
98.0%

District

Acalanes Union High
District Enrollment
5,415
Schools in District
5
Per-Pupil Spending
$19,127
District Rank
#3 of 5

How we rate schools

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