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Public School Review - Established 2003

Best 78550 Texas Public Charter Schools (2026)

For the 2026 school year, there is 1 public charter school serving 291 students in 78550, TX.
The top-ranked public charter school in 78550, TX is Horizon Montessori Iii - Stem Academy. Overall testing rank is based on a school's combined math and reading proficiency test score ranking.
Public charter school in zipcode 78550 have an average math proficiency score of 37% (versus the Texas public charter school average of 38%), and reading proficiency score of 52% (versus the 49% statewide average). Charter schools in 78550, TX have an average ranking of 7/10, which is in the top 50% of Texas public charter schools.
Minority enrollment is 96% of the student body (majority Hispanic), which is more than the Texas public charter school average of 88% (majority Hispanic).

Best 78550, TX Public Charter Schools (2026)

School
(Math and Reading Proficiency)
Location
Quick Facts
Rank: #11.
Horizon Montessori Iii - Stem Academy
Charter School
(Math: 35-39% | Reading: 50-54%)
Rank:
6/
10
Top 50%
2802 S 77 Sunshine Strip
Harlingen, TX 78550
(956) 423-8200
Gr: PK-8 | 291 students Student-teacher ratio: 15:1 Minority enrollment: 96%

Frequently Asked Questions

What are the top-ranked public charter schools in 78550, TX?
The top-ranked public charter schools in 78550, TX include Horizon Montessori Iii - Stem Academy.
How many public charter schools are located in 78550?
1 public charter schools are located in 78550.
What is the racial composition of students in 78550?
78550 public charter schools minority enrollment is 96% of the student body (majority Hispanic), which is more than the Texas public charter schools average of 88% (majority Hispanic).

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