HORIZON MONTESSORI - STEM ACADEMY
Public
Elementary Grades PK–8 Charter
Part of HORIZON MONTESSORI PUBLIC SCHOOLS
320 N MAIN ST, MCALLEN, TX 78501 · (956) 631-0234
Community ratings
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Academic performance
Math proficiency27%
State average 36.6%
Reading / language arts47%
State average 41.8%
EDFacts via Urban Institute Education Data Portal (SY2020-21)
At a glance
331Students enrolled
15:1Student–teacher ratio
81%Free / reduced lunch
CitySetting
Regular SchoolSchool type
Enrollment by grade
Pre-K63
Kindergarten34
Grade 131
Grade 229
Grade 340
Grade 436
Grade 533
Grade 628
Grade 722
Grade 815
Students
Hispanic · 97%322
White · 2%6
American Indian/Alaska Native · 1%2
Two or more races · 0%1
Counts as reported to NCES; percentages are of students with a reported race/ethnicity.
Enrollment · last 5 years
404’20
391’21
381’22
342’23
331’24
Location
320 N MAIN ST MCALLEN
Neighbor reviews
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School facts from the U.S. Department of Education (NCES), 2024-2025 school year. Academic scores from the EDFacts via Urban Institute Education Data Portal (SY2020-21). Community ratings and reviews reflect neighbor opinions, not an official measure of school quality.