Serving 291 students in grades Prekindergarten-8, Horizon Montessori Iii - Stem Academy ranks in the top 50% of all schools in Texas for overall test scores (math proficiency is bottom 50%, and reading proficiency is bottom 50%).
The percentage of students achieving proficiency in math is 35-39% (which is lower than the Texas state average of 44%). The percentage of students achieving proficiency in reading/language arts is 50-54% (which is approximately equal to the Texas state average of 51%).
The student-teacher ratio of 15:1 is higher than the Texas state level of 14:1.
Minority enrollment is 96% of the student body (majority Hispanic), which is higher than the Texas state average of 76% (majority Hispanic).
Quick Facts (2026)
- School Type: Charter School
- Grades: Prekindergarten-8
- Enrollment: 291 students
- Student-Teacher Ratio: 15:1
- Minority Enrollment: 96%
- Overall Testing Rank: Top 50% in TX
- Math Proficiency: 35-39% (Btm 50%)
- Reading Proficiency: 50-54% (Top 50%)
- Science Proficiency: 20-29% (Btm 50%)
- Source: National Center for Education Statistics (NCES), TX Dept. of Education
School Overview
Horizon Montessori Iii - Stem Academy's student population of 291 students has declined by 14% over five school years.
The teacher population of 19 teachers has declined by 20% over five school years.
School Type
Grades Offered
Grades Prekindergarten-8
Total Students
291 students
Total Classroom Teachers
19 teachers
Year Founded
1998
School Calendar
School Rankings
Horizon Montessori Iii - Stem Academy ranks within the top 50% of all 8,096 schools in Texas (based off of combined math and reading proficiency testing data).
The diversity score of Horizon Montessori Iii - Stem Academy is 0.12, which is less than the diversity score at state average of 0.64. The school's diversity has stayed relatively flat over five school years.
Overall Testing Rank
#4037 out of 8096 schools
(Top 50%)
(Top 50%)
Math Test Scores (% Proficient)
35-39%
44%
Reading/Language Arts Test Scores (% Proficient)
50-54%
51%
Science Test Scores (% Proficient)
20-29%
46%
Student-Teacher Ratio
15:1
14:1
Asian
2%
6%
Hispanic
94%
54%
White
4%
24%
All Ethnic Groups
Chronically Absent Students
(22-23)14.8%
23%
Participates in the National School Lunch Program (NSLP)
Yes
Eligible for Free Lunch
69%
56%
Eligible for Reduced Lunch
2%
4%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), TX Dept. of Education
Frequently Asked Questions
What is Horizon Montessori Iii - Stem Academy's ranking?
Horizon Montessori Iii - Stem Academy is ranked #4037 out of 8,096 schools, which ranks it among the top 50% of public schools in Texas.
What schools are Horizon Montessori Iii - Stem Academy often compared to?
Horizon Montessori Iii - Stem Academyis often viewed alongside schools like Jubilee Harlingen by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
35-39% of students have achieved math proficiency (compared to the 44% TX state average), while 50-54% of students have achieved reading proficiency (compared to the 51% TX state average).
How many students attend Horizon Montessori Iii - Stem Academy?
291 students attend Horizon Montessori Iii - Stem Academy.
What is the racial composition of the student body?
94% of Horizon Montessori Iii - Stem Academy students are Hispanic, 4% of students are White, and 2% of students are Asian.
What is the student-teacher ratio of Horizon Montessori Iii - Stem Academy?
Horizon Montessori Iii - Stem Academy has a student ration of 15:1, which is higher than the Texas state average of 14:1.
What grades does Horizon Montessori Iii - Stem Academy offer ?
Horizon Montessori Iii - Stem Academy offers enrollment in grades Prekindergarten-8
What school district is Horizon Montessori Iii - Stem Academy part of?
Horizon Montessori Iii - Stem Academy is part of Horizon Montessori School District.
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