Acalanes Union High
High school district, grades 09-12 · Contra Costa County
82%of district students met the reading (ELA) standard, 2026
66%met the math standard, 2026
4schools on the map
5,292students enrolled in these schools, 2025-26
$1.76Mmedian typical home value across school ZIP codes
In spring 2026, 82% of Acalanes Union High students met the reading standard and 66% met the math standard. In reading, that is 30 points above the Contra Costa County average and 33 points above the California average. District reading results in 2026 were about the same as in 2024. Schools in Acalanes Union High are in Lafayette, Moraga, Orinda, Walnut Creek. District boundaries come from the California Department of Education's 2024-25 data; each school's attendance zone is set by the district.
District test scores, 2024 to 2026
| Subject | Spring 2024 | Spring 2025 | Spring 2026 | Change |
|---|---|---|---|---|
| Reading (ELA) | 82% | 81% | 82% | 0 pts |
| Math | 63% | 65% | 66% | +2 pts |
Compared with nearby averages
| Spring 2026 | Reading (ELA) | Math |
|---|---|---|
| Acalanes Union High | 82% | 66% |
| Contra Costa County | 52% | 43% |
| California | 49% | 38% |
High schools
| Rank | School | Reading (ELA) | Math | UC admits, fall 2025 | Typical home value (ZIP) |
|---|---|---|---|---|---|
| 1 | Miramonte HighOrinda · Grades 9-12 | 94% | 72% | 155 | $1.94M |
| 2 | Campolindo HighMoraga · Grades 9-12 | 88% | 77% | 132 | $1.60M |
| 3 | Acalanes HighLafayette · Grades 9-12 | 85% | 70% | 121 | $1.91M |
| 4 | Las Lomas HighWalnut Creek · Grades 9-12 | 67% | 51% | 149 | $1.06M |