Acalanes High School
High school in Lafayette, CA · Acalanes Union High · Grades 9-12
On the spring 2026 state tests, 85% of Acalanes High School students met or exceeded California's reading (ELA) standard and 70% met the math standard. In reading, that is 3 points above the Acalanes Union High average (82%) and 36 points above the California average (49%). Its reading result is higher than 92% of Bay Area high schools. Reading results in 2026 were 2 points lower than in 2024, and math results were 3 points higher than in 2024.
Test scores, 2024 to 2026
| Subject | Spring 2024 | Spring 2025 | Spring 2026 | Change |
|---|---|---|---|---|
| Reading (ELA) | 87% | 82% | 85% | −2 pts |
| Math | 67% | 63% | 70% | +3 pts |
Compared with nearby averages
| Spring 2026 | Reading (ELA) | Math |
|---|---|---|
| Acalanes High School | 85% | 70% |
| Acalanes Union High | 82% | 66% |
| Contra Costa County | 52% | 43% |
| California | 49% | 38% |
Where graduates go
Share of the class of 2022-23 enrolled in college within 16 months of graduating.
For fall 2025, UC admitted 121 of 164 freshman applicants from Acalanes High School (74%), and 54 enrolled.
Homes near Acalanes High School
The typical home value in ZIP code 94549, where Acalanes High School is located, is $1.91M, up 3.4% over the past year (Zillow Home Value Index). Prices inside the school's attendance zone can differ.
Zillow and Redfin can both search for homes inside a school’s attendance zone and email you new listings. Search for the school by name on either site and save the search.
Nearby high schools
| Distance | School | Reading (ELA) | Math | Typical home value (ZIP) |
|---|---|---|---|---|
| 2.5 mi | Las Lomas HighWalnut Creek · Grades 9-12 | 67% | 51% | $1.06M |
| 3.1 mi | Campolindo HighMoraga · Grades 9-12 | 88% | 77% | $1.60M |
| 4.5 mi | College Park HighPleasant Hill · Grades 9-12 | 67% | 44% | $969K |
| 4.7 mi | Ygnacio Valley HighConcord · Grades 9-12 | 37% | 17% | $825K |
| 4.9 mi | Miramonte HighOrinda · Grades 9-12 | 94% | 72% | $1.94M |
| 5.0 mi | Northgate HighWalnut Creek · Grades 9-12 | 83% | 61% | $1.37M |
School details
- Address
- 1200 Pleasant Hill Road, Lafayette, CA 94549
Get directions · See it on our map - Phone
- (925) 280-3970
- District
- Acalanes Union High
- County
- Contra Costa County
- Grades
- 9-12
- Students
- 1,246 (2025-26)
- Type
- High school · Traditional
- Opened
- 1940
- State school code
- 07616300730283
Common questions
How did Acalanes High School do on state tests?
In spring 2026, 85% of students met or exceeded the reading (ELA) standard and 70% met the math standard, compared with 49% and 38% across California.
How many students attend Acalanes High School?
1,246 students were enrolled in the 2025-26 school year, in grades 9-12.
How many Acalanes High School students get into UC?
For fall 2025, 121 of 164 UC freshman applicants from Acalanes High School were admitted. Of the class of 2022-23, 19% enrolled at a UC campus within 16 months.
How much do homes cost near Acalanes High School?
The typical home value in ZIP code 94549, where Acalanes High School is located, is $1.91M, up 3.4% over the past year (Zillow Home Value Index). Prices inside the school's attendance zone can differ.
Does living near Acalanes High School guarantee a spot?
No. Public schools assign students by attendance zone, which Acalanes Union High sets and can change. Confirm the zone for a specific address with the district before you buy or rent.