Acalanes High
🇺🇸 Official data · 2025Lafayette, California 94549 · Acalanes Union High
#12 of 1,343 high schools in California
#1000 of 16,910 nationally
About Acalanes High
Acalanes High is a public high located in Lafayette, in the Acalanes Union High school district of California, United States. It caters for Grades 9–12. In 2025 it enrolled 1,256 students. Traditional public schools run by a school district; free to attend.
Its Success Index (US) is 81.9 out of 100, placing it in the top 10% of high schools in United States and 12th of 1,343 ranked high schools in California. Its strongest component is community advantage (fewer free/reduced-price lunch) (99th percentile), and its weakest is students per teacher (19th percentile).
Other published figures: enrollment 1,256.
There are 7 schools in Lafayette; Acalanes High ranks 5th of 6 scored schools there.
Success Index (US) breakdown
Each component is a percentile against high schools across United States.
- Math proficiency (30%)73%
- Reading proficiency (30%)91%
- Community advantage (fewer free/reduced-price lunch) (25%)7.3%
- Students per teacher (15%)19.6
The Success Index (US) summarises published data about a school community. It is not a measure of teaching quality. Read the methodology.
Published measures
All figures published for Acalanes High by the official sources.
- Enrollment
- 1,256
- Students enrolled in the latest NCES directory year.
- Free/reduced-price lunch
- 7.3%
- Share of students eligible for free or reduced-price lunch.
- Students per teacher
- 19.6
- Enrollment divided by FTE teachers; not class size.
- Reading proficiency
- 91%
- Share of tested students proficient or above (all students, all grades).
- Math proficiency
- 73%
- Share of tested students proficient or above (all students, all grades).
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Schools near Acalanes High
Closest schools by straight-line distance, with their Success Index (US).
Springhill Elementary
Lafayette · Public elementary · Grades K–5
479 students · 549 m away
M. H. Stanley Middle
Lafayette · Public middle · Grades 6–8
1,117 students · 2.4 km away
Lafayette Elementary
Lafayette · Public elementary · Grades K–5
515 students · 2.4 km away
Buena Vista Elementary
Walnut Creek · Public elementary · Grades K–5
495 students · 2.6 km away
Tice Creek
Walnut Creek · Public elementary · Grades K–8
451 students · 3.2 km away
Parkmead Elementary
Walnut Creek · Public elementary · Grades K–5
478 students · 3.2 km away
Pleasant Hill Elementary
Pleasant Hill · Public elementary · Grades K–5
652 students · 3.4 km away
Walnut Creek Intermediate
Walnut Creek · Public middle · Grades 6–8
940 students · 3.7 km away
Happy Valley Elementary
Lafayette · Public elementary · Grades K–5
463 students · 3.9 km away
Las Lomas High
Walnut Creek · Public high · Grades 9–12
1,577 students · 4.0 km away
Similar schools
Public high schools in California with a comparable Enrollment.
Don Antonio Lugo High
Chino · Public high · Grades 9–12
1,256 students
Coalinga High
Coalinga · Public high · Grades 9–12
1,256 students
Lindhurst High
Olivehurst · Public high · Grades 9–12
1,254 students
Charter Oak High
Covina · Public high · Grades 9–12
1,259 students
Rubidoux High
Jurupa Valley · Public high · Grades 9–12
1,259 students
Montgomery High
Santa Rosa · Public high · Grades 9–12
1,253 students
Frequently asked questions
Is Acalanes High a good school?
Acalanes High has a Success Index (US) of 81.9 out of 100 (Top 10% of high schools in United States) and ranks #12 of 1,343 in California. The index summarises published data about the school community and, where available, attainment; it does not measure teaching quality, so visit the school and ask about support at your child's level.
Where does Acalanes High rank in California?
Acalanes High ranks #12 of 1,343 high schools in California and #1000 of 16,910 nationally on the Success Index (US) (2025 data).
How many students attend Acalanes High?
Acalanes High had 1,256 students in 2025.
Is Acalanes High a elementary school or a high school?
Acalanes High is classified as a high covering Grades 9–12. It is a public school.
What other schools are near Acalanes High?
There are 10 schools within 15 km of Acalanes High; they are listed on this page with their Success Index (US) and distance, and can be compared side by side.