Castlemont High School
High school in Oakland, CA · Oakland Unified · Grades 9-12
On the spring 2026 state tests, 9% of Castlemont High School students met or exceeded California's reading (ELA) standard and 3% met the math standard. In reading, that is 25 points below the Oakland Unified average (34%) and 40 points below the California average (49%). It has the lowest reading result of any Bay Area high school, and it ranks 12th of 12 public high schools in Oakland. Reading results in 2026 were about the same as in 2024, and math results were 3 points lower than in 2024.
Test scores, 2024 to 2026
| Subject | Spring 2024 | Spring 2025 | Spring 2026 | Change |
|---|---|---|---|---|
| Reading (ELA) | 8% | 6% | 9% | +1 pt |
| Math | 6% | 6% | 3% | −3 pts |
Compared with nearby averages
| Spring 2026 | Reading (ELA) | Math |
|---|---|---|
| Castlemont High School | 9% | 3% |
| Oakland Unified | 34% | 28% |
| Alameda County | 56% | 49% |
| 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 22 of 26 freshman applicants from Castlemont High School (85%), and 5 enrolled.
Homes near Castlemont High School
The typical home value in ZIP code 94605, where Castlemont High School is located, is $659K, up 0.1% 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) |
|---|---|---|---|---|
| 0.0 mi | LPS Oakland R & D Campus CharterOakland · Grades 9-12 | 36% | 13% | $659K |
| 1.6 mi | Oakland Unity High CharterOakland · Grades 9-12 | 70% | 38% | $659K |
| 1.8 mi | Alternatives in Action CharterOakland · Grades 9-12 | 14% | 5% | $445K |
| 2.4 mi | Lighthouse Community Charter High CharterOakland · Grades 9-12 | 42% | 14% | $445K |
| 2.6 mi | Skyline HighOakland · Grades 9-12 | 60% | 39% | $832K |
| 2.8 mi | Fremont HighOakland · Grades 9-12 | 21% | 6% | $553K |
School details
- Address
- 8601 MacArthur Boulevard, Oakland, CA 94605
Get directions · See it on our map - Phone
- (510) 879-2301
- District
- Oakland Unified
- County
- Alameda County
- Grades
- 9-12
- Students
- 694 (2025-26)
- Type
- High school · Traditional
- Opened
- 2011
- Website
- www.ousd.org/castlemont
- State school code
- 01612590125161
Common questions
How did Castlemont High School do on state tests?
In spring 2026, 9% of students met or exceeded the reading (ELA) standard and 3% met the math standard, compared with 49% and 38% across California.
How many students attend Castlemont High School?
694 students were enrolled in the 2025-26 school year, in grades 9-12.
How many Castlemont High School students get into UC?
For fall 2025, 22 of 26 UC freshman applicants from Castlemont High School were admitted. Of the class of 2022-23, 10% enrolled at a UC campus within 16 months.
How much do homes cost near Castlemont High School?
The typical home value in ZIP code 94605, where Castlemont High School is located, is $659K, up 0.1% over the past year (Zillow Home Value Index). Prices inside the school's attendance zone can differ.
Does living near Castlemont High School guarantee a spot?
No. Public schools assign students by attendance zone, which Oakland Unified sets and can change. Confirm the zone for a specific address with the district before you buy or rent.