Horizon Montessori III - STEM Academy
Harlingen, TX · Horizon Montessori Public Schools · Charter · Grades PK-8
2,929th of 4,406 Texas elementary schools statewide · better than 34%▲ Improving
Horizon Montessori III - STEM Academy ranking
SchoolRow ranks Horizon Montessori III - STEM Academy 2,929th of 4,406 Texas elementary schools for 2024–25, based on STAAR % at Meets Grade Level or above, 2024–25 (TAPR) English and Math results — better than 34% of elementary schools statewide. Its statewide percentile went from 25th in 2019 to 34th in 2025 — improving.
Horizon Montessori III - STEM Academy test scores
Percent meeting or exceeding the state standard, STAAR % at Meets Grade Level or above, 2024–25 (TAPR) · 128 students tested
Horizon Montessori III - STEM Academy students
Racial and ethnic breakdown of 334 students (2023–24, NCES) — and how it has shifted since 2013
| Group | Trend | 2013 | 2023 | Change |
|---|---|---|---|---|
| Hispanic | 87.3% | 92.5% | ▲ 5.2 pts | |
| White | 11.6% | 4.5% | ▼ 7.1 pts | |
| Asian | 0.0% | 1.8% | ▲ 1.8 pts | |
| Black | 1.1% | 0.6% | ▼ 0.5 pts | |
| Two or more races | 0.0% | 0.6% | ▲ 0.6 pts |
Homes near Horizon Montessori III - STEM Academy
Typical home value $178K in zip 78550 as of 2026-05 · trend since 2001
Data Provided by Zillow Group
Elementary schools near Horizon Montessori III - STEM Academy
Closest same-level schools, with 2024–25 state rank
- 5Treasure Hills ElHarlingen CISD · 0.6 mi away2,287th of 4,406
ELA 53% · Math 42% - 7IDEA Academy San BenitoIDEA Public Schools · 0.9 mi away · charter1,688th of 4,406
ELA 60% · Math 46% - 6Houston ElHarlingen CISD · 1.7 mi away2,004th of 4,406
ELA 54% · Math 46% - 6Bonham ElHarlingen CISD · 1.9 mi away2,005th of 4,406
ELA 53% · Math 47% - 3Travis ElHarlingen CISD · 2.1 mi away3,086th of 4,406
ELA 50% · Math 32% - 8Bowie ElHarlingen CISD · 2.2 mi away964th of 4,406
ELA 62% · Math 62% - 6Ben Milam ElHarlingen CISD · 2.4 mi away2,161st of 4,406
ELA 52% · Math 45% - 3Fred Booth Global Leadership AcademySan Benito CISD · 2.7 mi away3,425th of 4,406
ELA 42% · Math 33%
Frequently asked questions
What school district is Horizon Montessori III - STEM Academy in?
Horizon Montessori III - STEM Academy is part of the Horizon Montessori Public Schools district in Harlingen, Texas.
Is Horizon Montessori III - STEM Academy a good school?
SchoolRow ranks Horizon Montessori III - STEM Academy 2,929th of 4,406 Texas elementary schools (better than 34% statewide) based on 2024–25 test results (STAAR % at Meets Grade Level or above, 2024–25 (TAPR)).
What is the racial makeup of Horizon Montessori III - STEM Academy?
Hispanic 93%, White 5%, Asian 2% (334 students, 2023–24).
How much do homes near Horizon Montessori III - STEM Academy cost?
The typical home value in zip code 78550 is $178K as of 2026-05 (Zillow ZHVI).
Sources: state education department data (STAAR % at Meets Grade Level or above, 2024–25 (TAPR), low-income, chronic absenteeism), National Center for Education Statistics via the Urban Institute (enrollment, demographics, staffing), Zillow Group (home values). Rankings are computed by SchoolRow from state English and Math results within grade level; they measure test performance, not everything that makes a school good.