Best Public High Schools in 92021 (El Cajon, CA) (2025-26)

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Best 92021 California Public High Schools (2025-26)

For the 2025-26 school year, there are 3 public high schools serving 3,246 students in 92021, CA.

The top ranked public high schools in 92021, CA are Bostonia Global, El Cajon Valley High School and Diego Valley East Public Charter. Overall testing rank is based on a school's combined math and reading proficiency test score ranking.

Public high schools in zipcode 92021 have an score of 19% (versus the California public high school average of 28%), and score of 37% (versus the 51% statewide average). High schools in 92021, CA have an average ranking of 3/10, which is in the bottom 50% of California public high schools.

Public high school in zipcode 92021 have a of 53%, which is less than the California average of 86%.

The school with highest graduation rate is El Cajon Valley High School, with 74% graduation rate. Read more about public school graduation rate statistics in California or national school graduation rate statistics.

Minority enrollment is 70% of the student body (majority Hispanic), which is less than the California public high school average of 79% (majority Hispanic).

Best 92021, CA Public High Schools (2025-26)

School
(Math and Reading Proficiency)

Location

Quick Facts

Rank: #11.

Bostonia Global

Charter School

(Math: 24% | Reading: 41%)
:

Bottom 50%

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1390 Broadway
El Cajon, CA 92021
(619) 588-3121

Gr: K-12 | 1,175 student Student-teacher ratio: 26:1 Minority enrollment: 81%

Rank: #22.

El Cajon Valley High School

(Math: 16% | Reading: 34%)
:

Bottom 50%

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1035 East Madison Ave.
El Cajon, CA 92021
(619) 579-5855

Gr: 9-12 | 1,672 student Student-teacher ratio: 111:1 Minority enrollment: 65%

Rank: #33.

Diego Valley East Public Charter

Charter School

(Math: ≤5% | Reading: 20-24%)
:

Bottom 50%

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511 North Second St.
El Cajon, CA 92021
(619) 870-0608

Gr: K-12 | 399 students Student-teacher ratio: 20:1 Minority enrollment: 56%

[+] Show Closed 51��s in 92021 California

92021, California 51��s (Closed)

School

Location

Quick Facts

Ballantyne (John) Elementary School (Closed 2005)

165 Roanoke Rd.
El Cajon, CA 92021
(619) 588-3118

Gr: K-6 | 521 students Student-teacher ratio: 21:1 Minority enrollment: 65%

Bostonia Global (Closed 2023)

1390 Brd.way
El Cajon, CA 92021
(619) 588-3121

Bostonia Language Academy (Closed 2023)

1390 E. Brd.way
El Cajon, CA 92021
(619) 588-3121

Gr: K-8 | 843 students Student-teacher ratio: 27:1 Minority enrollment: 90%

Diego Valley Charter (Closed 2023)

Charter School

511 N. 2nd St.
El Cajon, CA 92021
(619) 870-0608

Gr: K-12 | 455 students Student-teacher ratio: 21:1 Minority enrollment: 59%

Liberty Charter (Closed 2013)

Charter School

1012 East Bradley Ave
El Cajon, CA 92021
(619) 579-7232

Gr: K-12 | 246 students Student-teacher ratio: 16:1 Minority enrollment: 53%

William J. Pete Knight High School (Closed 2023)

650 Greenfield Dr.
El Cajon, CA 92021
(619) 588-3080

Gr: K-6 | 585 students Student-teacher ratio: 21:1 Minority enrollment: 45%

Frequently Asked Questions

What are the top ranked public high schools in 92021, CA?

The top ranked public high schools in 92021, CA include Bostonia Global, El Cajon Valley High School and Diego Valley East Public Charter.

How many public high schools are located in 92021?

3 public high schools are located in 92021.

What is the racial composition of students in 92021?

92021 public high schools minority enrollment is 70% of the student body (majority Hispanic), which is less than the California public high schools average of 79% (majority Hispanic).