Castlemont High
🇺🇸 Official data · 2025Oakland, California 94605 · Oakland Unified
#1307 of 1,343 high schools in California
#16542 of 16,910 nationally
About Castlemont High
Castlemont High is a public high located in Oakland, in the Oakland Unified school district of California, United States. It caters for Grades 9–12. In 2025 it enrolled 719 students. Traditional public schools run by a school district; free to attend.
Its Success Index (US) is 10.8 out of 100, placing it in the lower 50% of high schools in United States and 1307th of 1,343 ranked high schools in California. Its strongest component is students per teacher (57th percentile), and its weakest is math proficiency (1th percentile).
Other published figures: enrollment 719.
There are 112 schools in Oakland; Castlemont High ranks 81st of 108 scored schools there.
Success Index (US) breakdown
Each component is a percentile against high schools across United States.
- Math proficiency (30%)2.5%
- Reading proficiency (30%)7.5%
- Community advantage (fewer free/reduced-price lunch) (25%)99%
- Students per teacher (15%)14.1
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 Castlemont High by the official sources.
- Enrollment
- 719
- Students enrolled in the latest NCES directory year.
- Free/reduced-price lunch
- 99%
- Share of students eligible for free or reduced-price lunch.
- Students per teacher
- 14.1
- Enrollment divided by FTE teachers; not class size.
- Reading proficiency
- 7.5%
- Share of tested students proficient or above (all students, all grades).
- Math proficiency
- 2.5%
- Share of tested students proficient or above (all students, all grades).
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Schools near Castlemont High
Closest schools by straight-line distance, with their Success Index (US).
LPS Oakland R & D Campus
Oakland · Charter high · Grades 9–12
173 students · 156 m away
Aspire College Academy
Oakland · Charter elementary · Grades K–5
206 students · 665 m away
Francophone Charter School of Oakland
Oakland · Charter elementary · Grades K–8
324 students · 1.0 km away
East Oakland Pride Elementary
Oakland · Public elementary · Grades K–5
314 students · 1.0 km away
Oakland Academy of Knowledge Elementary
Oakland · Public elementary · Grades K–5
231 students · 1.0 km away
Bay Area Technology
Oakland · Charter high · Grades 6–12
255 students · 1.2 km away
Reach Academy Elementary
Oakland · Public elementary · Grades K–5
425 students · 1.3 km away
Cox Academy
Oakland · Charter elementary · Grades K–5
446 students · 1.4 km away
Elmhurst United Middle
Oakland · Public middle · Grades 6–8
729 students · 1.4 km away
Markham Elementary
Oakland · Public elementary · Grades K–5
327 students · 1.5 km away
Similar schools
Public high schools in California with a comparable Enrollment.
Twentynine Palms High
Twentynine Palms · Public high · Grades 9–12
719 students
Girls Academic Leadership Acad Dr. Michelle King Sch STEM
Los Angeles · Public high · Grades 6–12
720 students
Marina High
Marina · Public high · Grades 9–12
721 students
William Workman High
City Of Industry · Public high · Grades 9–12
723 students
Orland High
Orland · Public high · Grades 9–12
725 students
Templeton High
Templeton · Public high · Grades 9–12
725 students
Frequently asked questions
Is Castlemont High a good school?
Castlemont High has a Success Index (US) of 10.8 out of 100 (Lower 50% of high schools in United States) and ranks #1307 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 Castlemont High rank in California?
Castlemont High ranks #1307 of 1,343 high schools in California and #16542 of 16,910 nationally on the Success Index (US) (2025 data).
How many students attend Castlemont High?
Castlemont High had 719 students in 2025.
Is Castlemont High a elementary school or a high school?
Castlemont High is classified as a high covering Grades 9–12. It is a public school.
What other schools are near Castlemont High?
There are 10 schools within 15 km of Castlemont High; they are listed on this page with their Success Index (US) and distance, and can be compared side by side.