Treasure Hills El
Public · Grades Pre-K–5 · 758 students
Horizon Montessori III - STEM Academy
2802 S 77 Sunshine Strip, Harlingen, TX 78550
Grades
Pre-K–8
Elementary
Students
291
Enrolled 2024–25
Students per teacher
15 : 1
Full-time teachers
District
Horizon Montessori Public Schools
Cameron County
Schola Grade C · Average
Letter grade (A–F) · compared with 4,259 Texas elementary schools · How we grade
Percentiles compare this school with other Texas elementary schools; the line marks the middle. Data: test scores 2021–22, graduation and absenteeism 2022–23 (U.S. Department of Education, EDFacts); coursework 2023–24 (Civil Rights Data Collection); staffing 2024–25 (NCES).
About Horizon Montessori III - STEM Academy
Horizon Montessori III - STEM Academy is a charter elementary school in Harlingen, Texas, serving grades Pre-K–8. It is part of Horizon Montessori Public Schools. The school is located in a small city in Cameron County.
In the 2024–25 school year, 291 students were enrolled, with about 15 students for every full-time teacher. That ratio is larger than the typical Texas elementary school (14.4 students per teacher). As a charter school, it is publicly funded and tuition-free, but operates independently of the local district under a charter from State Board of Education. Its Schola Grade is C (average), compared with 4,259 Texas elementary schools.
Grades & enrollment
Students per grade, 2024–25Grades Pre-K–8
Location & nearby schools
School details
- Type
- Charter School · What this means
- Level
- Elementary
- Grades offered
- Pre-K–8
- Enrollment (2024–25)
- 291 students
- Students per teacher
- 15 to 1
- Charter school
- Yes
- Charter authorizer
- State Board of Education
- Magnet school
- No
- Locale
- City — Small
- School district
- Horizon Montessori Public Schools
- County
- Cameron County
- NCES school ID
- 480006512111
Schools near Horizon Montessori III - STEM Academy
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St. Anthony Catholic School
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School data comes from the U.S. Department of Education: the National Center for Education Statistics (NCES) Common Core of Data and EDGE school locations (2024–25) and Private School Survey (2023–24), the Civil Rights Data Collection (2023–24), and EDFacts (test results 2021–22; graduation and chronic absenteeism 2022–23), plus other public sources. Please contact the school to confirm enrollment, programs, and other details. How we source data.