Acalanes High

High school·Grades 9-12 Lafayette, California·94549
Score
95.5/100
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#78
Among 1,729 California high schools
#3
In Acalanes Union High
Top 5%
In California

Score 95.5/100: better than 95% of California high schools on 2024-25 state tests. Schools are only compared with others of the same type in the same state. How we score schools

Performance (state tests, 2024-25)

% met or exceeded standard on state tests in California, all students. Colored bars are green when the school is at or above the average for similar California schools.

English language arts
83%
Similar California schools ≈ 57%, better than 94% of them
285 students tested
Math
63%
Similar California schools ≈ 31%, better than 95% of them
287 students tested
Science
60%
Similar California schools ≈ 33%, better than 94% of them
296 students tested
All California schools (ELA / math)
49% / 37%
State average across every school type, 2024-25
All 9 published results by grade and test

As published by California Department of Education. "Hidden" means the state didn't publish the result to protect student privacy.

SubjectGradeTestResultStudents tested
English language artsGrade 11Smarter Balanced ELA82.5285
English language artsAll gradesSmarter Balanced ELA82.5285
MathGrade 11Smarter Balanced Math63.1287
MathAll gradesSmarter Balanced Math63.1287
ScienceGrade 11CAST61.3284
ScienceGrade 12CAST33.312
ScienceGrade 14CAST60.1296
ScienceAll gradesCAST60.1296
ScienceGrade 99CAST65.2299

School profile

Grades
9-12
Students
1,250
Type
High school
Charter school
No
Program
Regular

Students

Enrollment
1,250
Typical high school: 434
Free or reduced-price lunch
7%
Typical high school: 70%

District and location

School district
City
Contra Costa County

Contact

Address
1200 Pleasant Hill Rd.
Lafayette, CA 94549

"Typical" is the middle (median) high school in California. Higher or lower is not in itself better or worse. Address, phone and website are as the state reported them to the U.S. Department of Education for 2024-25, so check with the school before visiting. School details: U.S. Department of Education, Common Core of Data (enrollment 2023-24, lunch eligibility 2024-25).

Nearby high schools

Straight-line distance. Check the district's attendance zones: living close to a school doesn't guarantee a place.

Location

OpenStreetMap · Google Maps

Acalanes High at a glance

Acalanes High is a public high school in Lafayette, California, serving grades 9-12. It is part of the Acalanes Union High school district. It has about 1,250 students (a typical California high school has 434). About 7% of students are eligible for free or reduced-price lunch, compared with 70% at a typical California high school, which is useful context when reading test results.

In 2024-25 state tests, 83% in English language arts (similar schools: 57%) and 63% in math (similar schools: 31%) reached the state standard (% met or exceeded standard). On our score, which compares it only with other California high schools, it scores 95.5 out of 100: better than 95% of them, ranking #78 of 1,729. Its English language arts result fell by 5 points from the year before. This overview is generated automatically from published state and federal data; figures are rounded, and you can check the originals via the official sources above.

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Page updated 2026-10-12.