For the 2026-27 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 (2026-27)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Quick Facts
Rank: #11.
Horizon Montessori Iii - Stem Academy
Charter School
(Math: 35-39% | Reading: 50-54%)
Rank:
Rank:
6/
Top 50%10
2802 S 77 Sunshine Strip
Harlingen, TX 78550
(956) 423-8200
Harlingen, TX 78550
(956) 423-8200
Gr: PK-8 | 291 students Student-teacher ratio: 15:1 Minority enrollment: 96%
78550, Texas Public Schools (Closed)
School
Location
Quick Facts
Bcfs - Harlingen Middle School (Closed 2015)
Alternative School
3700 E Harrison Ave
Harlingen, TX 78550
(210) 333-6227
Harlingen, TX 78550
(210) 333-6227
Gr: 7-8 | 211 students Student-teacher ratio: 21:1
Keys Academy (Closed 2023)
Alternative School
2809 N 7th St
Harlingen, TX 78550
(956) 427-3220
Harlingen, TX 78550
(956) 427-3220
Gr: 9-12
2701 N Breedlove
Harlingen, TX 78550
(956) 412-6951
Harlingen, TX 78550
(956) 412-6951
Gr: PK-6 | 281 students Minority enrollment: 95%
New Pathways Center (Closed 2006)
Alternative School
208 S F St
Harlingen, TX 78550
(956) 427-3445
Harlingen, TX 78550
(956) 427-3445
Gr: 1-6
Southwest Key (Closed 2020)
Alternative School
23011 Rio Rancho
Harlingen, TX 78550
(956) 421-2034
Harlingen, TX 78550
(956) 421-2034
Gr: 6-9 | 42 students Student-teacher ratio: 42:1
2701 N Breedlove
Harlingen, TX 78550
(956) 412-6951
Harlingen, TX 78550
(956) 412-6951
Gr: 7-8 | 14 students Minority enrollment: 86%
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).
Recent Articles
When Your Child Gets a Teacher You Didn't Request
Learn what parents can do when a child is assigned to an unexpected teacher, including when to wait, communicate, document concerns, request support, and seek reassignment appropriately.
Before Accepting a Public School Seat: 15 Checks
Before accepting a public school seat, parents should verify enrollment terms, transportation, staffing, academics, safety, support services, schedules, attendance rules, extracurriculars, costs, and long-term placement details carefully.
Will This Public School Offer the Same Programs Next Year?
Learn how parents can determine whether public school programs will continue next year by checking budgets, enrollment, staffing, board documents, grants, course schedules, and district priorities before enrolling.