The bulletin board for America's public schools. Parents, teachers, students, and staff. One community per school.
SCHOOL COMMUNITY·HORIZON MONTESSORI PUBLIC SCHOOLS·NCES 480006512111

HORIZON MONTESSORI III - STEM ACADEMY

2802 S 77 SUNSHINE STRIP, HARLINGEN, TX 78550 · (956) 423-8200 · Cameron County
GRADES PK–08ELEMENTARY13-CITYCHARTERTITLE IREGULAR SCHOOL291 STUDENTS
Enrollment
291
Elementary
DISTRICT 291 · STATE 519
Student : Teacher
15.1:1
19 FTE teachers
DISTRICT 15.1:1 · STATE 15.1:1
Free / Reduced Lunch
71%
206 students
DISTRICT 75% · STATE 65%
Community
0
0 members
Enrollment and student:teacher ratio compared against other elementary schools. Free/Reduced Lunch and demographics compared against all schools.
Enrollment by grade
Pre-K
66
Kindergarten
34
Grade 1
31
Grade 2
27
Grade 3
38
Grade 4
21
Grade 5
28
Grade 6
7
Grade 7
17
Grade 8
22
Student demographics
White
124%
DISTRICT 5% · STATE 24%
Hispanic
27394%
DISTRICT 86% · STATE 54%
Asian
62%
DISTRICT 3% · STATE 6%
Student head counts by race/ethnicity from federal NCES enrollment data. Very small groups may be suppressed in the source, so categories do not always sum exactly to total enrollment.
Gender split
Male
13747%
Female
15453%

Discussions

+ POST
QUIET COMMUNITY
Be the first to start a discussion at HORIZON MONTESSORI III - STEM ACADEMY.
START A DISCUSSION
Recent discussions in HORIZON MONTESSORI PUBLIC SCHOOLS

Test scores

STAAR 2023-24 . % Meets Grade Level or Above
Reading
46.0%
TX avg 51.8% . +16.0pp since 2020
Mathematics
35.0%
TX avg 42.0% . +15.0pp since 2020
Source: STAAR. All students, all grades. See all years and grades →

BeatsExpectations

Demographically-adjusted score · methodology
Tier
AS EXPECTED
Performing as predicted given the school's student profile
Actual proficiency
39.0%
composite math + reading, all grades
Predicted
43.0%
based on TX schools with similar FRL share
Beats by
-3.9pp
below demographic expectation
BeatsExpectations runs a per-state regression of proficiency on free/reduced-lunch share, then scores each school by residual. How this is calculated →

7-year change

SY 2017-18 vs SY 2024-25
Enrollment
291
-50 (-15%) vs 2017
Student : Teacher
15.1:1
was 15.5:1
% White
4%
was 7%
% Hispanic
94%
was 91%
% Black
0%
was 0%
% Asian
2%
was 1%
Source: NCES Common Core of Data

About HORIZON MONTESSORI III - STEM ACADEMY

HORIZON MONTESSORI III - STEM ACADEMY is one of the compact primary schools in HARLINGEN, Texas, operated by HORIZON MONTESSORI PUBLIC SCHOOLS, with 291 students on its rolls from grades pre-K through 8. Enrollment runs roughly 44% below the state mean of about 519.

Across the 4 schools in HORIZON MONTESSORI PUBLIC SCHOOLS (1,164 students total), HORIZON MONTESSORI III - STEM ACADEMY accounts for its share of the district's footprint.

On demographics, HORIZON MONTESSORI III - STEM ACADEMY records that the student body is overwhelmingly Hispanic (94%). The remainder reads as 4% White, 2% Asian.

On the income-and-resources front, HORIZON MONTESSORI III - STEM ACADEMY lists 19 full-time-equivalent teachers, putting the student-to-teacher ratio at about 15.1:1. The state averages about 15.1:1, putting this campus right in line with peers. Roughly 71% of students at HORIZON MONTESSORI III - STEM ACADEMY qualify for free or reduced-price lunch, a number frequently used as a low-income enrollment indicator. By comparison, Cameron County runs at roughly 84%, so the school's eligibility rate is somewhat below the surrounding baseline.

After controlling for student poverty, HORIZON MONTESSORI III - STEM ACADEMY tracks the demographic baseline. The model predicts 43.0% given the school's FRL share; actual proficiency is 39.0%.

Around the school, Cameron County reports that median household income runs about $52,601, about 22% of the adult population holds a bachelor's degree or above, and the poverty rate sits near 21%. HORIZON MONTESSORI III - STEM ACADEMY is one of 187 public schools in Cameron County (combined enrollment of about 97,392 students).

Nearest neighbor: HARLINGEN COLLEGIATE H S, around 0.3 miles off. Within five miles, there are 8 other public schools.

The school occupies an urban site. As a public charter, HORIZON MONTESSORI III - STEM ACADEMY runs on public funding but with greater curricular and operational autonomy than a typical district school.

Trend over the last 7 years. HORIZON MONTESSORI III - STEM ACADEMY's enrollment has ticked down 15% since 2018, when it stood at 341 (now 291).

On allk12, the feed for HORIZON MONTESSORI III - STEM ACADEMY typically covers sports schedules, lunch menu changes, and school spirit week. Contributors range from current parents to recent graduates and teachers.

Cameron County at a glance

View full county profile
Population
426,120
Census ACS
Median income
$52,601
Household, ACS
Bachelor's+
22%
Adults 25+
Poverty rate
21%
Below federal line
Schools in county
187
97,392 students

Quick facts

School name
HORIZON MONTESSORI III - STEM ACADEMY
District
HORIZON MONTESSORI PUBLIC SCHOOLS
Address
2802 S 77 SUNSHINE STRIP, HARLINGEN, TX 78550
Phone
(956) 423-8200
County
Cameron County
Level
Elementary
Grade range
PK–08
Total enrollment
291
Teachers (FTE)
19
Student–teacher ratio
15.1:1
Free/Reduced lunch
206 (71%)
Locale
13-City: Small
NCES ID
480006512111
Charter school
Yes
Virtual school
No

Related schools

Other schools in HORIZON MONTESSORI PUBLIC SCHOOLS
Other schools in HARLINGEN
Nearby schools

Frequently asked questions

About HORIZON MONTESSORI III - STEM ACADEMY
What is the total enrollment at HORIZON MONTESSORI III - STEM ACADEMY?
HORIZON MONTESSORI III - STEM ACADEMY enrolls approximately 291 students in grades PK-08.
What grades does HORIZON MONTESSORI III - STEM ACADEMY serve?
HORIZON MONTESSORI III - STEM ACADEMY serves grades PK-08.
How many teachers does HORIZON MONTESSORI III - STEM ACADEMY have?
HORIZON MONTESSORI III - STEM ACADEMY employs 19 FTE teachers, for a student-to-teacher ratio of 15.1:1.
What is the student diversity at HORIZON MONTESSORI III - STEM ACADEMY?
Student demographics at HORIZON MONTESSORI III - STEM ACADEMY are roughly 4% White, 94% Hispanic, 2% Asian.
What district is HORIZON MONTESSORI III - STEM ACADEMY in?
HORIZON MONTESSORI III - STEM ACADEMY is part of HORIZON MONTESSORI PUBLIC SCHOOLS.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.
+ Post