For the 2026 school year, there are 5 public charter schools serving 4,871 students in 93257, CA.
The top-ranked public charter schools in 93257, CA are Harmony Magnet Academy, Monarch River Academy and Summit Charter Academy. Overall testing rank is based on a school's combined math and reading proficiency test score ranking.
Public charter schools in zipcode 93257 have an average math proficiency score of 29% (versus the California public charter school average of 32%), and reading proficiency score of 47% (versus the 48% statewide average). Charter schools in 93257, CA have an average ranking of 5/10, which is in the bottom 50% of California public charter schools.
Minority enrollment is 78% of the student body (majority Hispanic), which is more than the California public charter school average of 75% (majority Hispanic).
Best 93257, CA Public Charter Schools (2026)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Quick Facts
Rank: #11.
Harmony Magnet Academy
Magnet School
Charter School
Charter School
(Math: 50-54% | Reading: 85-89%)
Rank:
Rank:
10/
Top 10%10
19429 Road 228
Porterville, CA 93257
(559) 568-0347
Porterville, CA 93257
(559) 568-0347
Gr: 9-12 | 512 students Student-teacher ratio: 24:1 Minority enrollment: 80%
Rank: #2 - 32. - 3.
Monarch River Academy
Charter School
(Math: 31% | Reading: 47%)
Rank:
Rank:
6/
Top 50%10
2293 East Crabtree Ave.
Porterville, CA 93257
(559) 754-1442
Porterville, CA 93257
(559) 754-1442
Gr: K-12 | 1,167 student Student-teacher ratio: 29:1 Minority enrollment: 51%
Rank: #2 - 32. - 3.
Summit Charter Academy
Charter School
(Math: 31% | Reading: 47%)
Rank:
Rank:
6/
Top 50%10
175 South Mathew St.
Porterville, CA 93257
(559) 782-5902
Porterville, CA 93257
(559) 782-5902
Gr: K-12 | 2,426 students Student-teacher ratio: 23:1 Minority enrollment: 88%
Rank: #44.
Porterville Military Academy
Charter School
(Math: 15-19% | Reading: 30-34%)
Rank:
Rank:
3/
Bottom 50%10
900 West Pioneer Ave.
Porterville, CA 93257
(559) 782-7300
Porterville, CA 93257
(559) 782-7300
Gr: 7-12 | 296 students Student-teacher ratio: 20:1 Minority enrollment: 83%
Rank: #55.
Butterfield Charter
Charter School
(Math: ≤5% | Reading: 15-19%)
Rank:
Rank:
1/
Bottom 50%10
900 West Pioneer Ave.
Porterville, CA 93257
(559) 782-7057
Porterville, CA 93257
(559) 782-7057
Gr: K-12 | 470 students Student-teacher ratio: 25:1 Minority enrollment: 83%
93257, California Public Schools (Closed)
School
Location
Quick Facts
Alta Vista Community Day (Closed 2009)
Alternative School
2293 East Crabtree Ave.
Porterville, CA 93257
(559) 782-5700
Porterville, CA 93257
(559) 782-5700
Gr: K-8 | 3 students Student-teacher ratio: 3:1 Minority enrollment: 67%
1414 W. Olive Ave.
Porterville, CA 93257
(559) 782-4748
Porterville, CA 93257
(559) 782-4748
Gr: K-12 | 98 students Student-teacher ratio: 33:1 Minority enrollment: 69%
31374 Success Valley Dr.
Porterville, CA 93257
(559) 784-6333
Porterville, CA 93257
(559) 784-6333
252 N. Westwood
Porterville, CA 93257
(559) 781-1658
Porterville, CA 93257
(559) 781-1658
Gr: 5-6 | 528 students Student-teacher ratio: 24:1 Minority enrollment: 53%
Horizon Community Day (Closed 2010)
Alternative School
1051 South Plano St.
Porterville, CA 93257
(559) 782-3929
Porterville, CA 93257
(559) 782-3929
Gr: K-6 | 5 students Minority enrollment: 60%
Pleasant View Primary Community Day School (Closed 2017)
Alternative School
14004 Rd. 184
Porterville, CA 93257
(559) 784-6769
Porterville, CA 93257
(559) 784-6769
Gr: K-3
Prospect Education Center (Closed 2020)
Alternative School
645 N. Prospect St.
Porterville, CA 93257
(559) 782-7095
Porterville, CA 93257
(559) 782-7095
Gr: K-12 | 65 students Student-teacher ratio: 8:1 Minority enrollment: 83%
600 W. Grand Ave.
Porterville, CA 93257
(559) 793-2406
Porterville, CA 93257
(559) 793-2406
Gr: 10-12
Frequently Asked Questions
What are the top-ranked public charter schools in 93257, CA?
The top-ranked public charter schools in 93257, CA include Harmony Magnet Academy, Monarch River Academy and Summit Charter Academy.
How many public charter schools are located in 93257?
5 public charter schools are located in 93257.
What is the racial composition of students in 93257?
93257 public charter schools minority enrollment is 78% of the student body (majority Hispanic), which is more than the California public charter schools average of 75% (majority Hispanic).