Skip to main content

Very Good

#1760 of 8,552 schools in TX

Top 21% in state

Horizon Montessori - Stem Academy

Elementary School · Horizon Montessori Public Schools · Mcallen, TX

A charter elementary school in Mcallen, TX where students score 16 points above what's typical for similar communities.

Charter

320 N MAIN ST, Mcallen, TX 78501

  • Math 49% vs TX 44% (2024)
  • Reading 65% vs TX 54% (2024)
  • 13.2:1 student-teacher ratio

Academics

Full Profile · 3/3 metrics
Student Progress7.1Very Good50%
Year-over-year improvement in student test scores.
View breakdown
Years of Data15
Annual Change-3.35 pts/yr
Data Period2009–2024
TrendDeclining
Academics8.7Excellent30%
Student proficiency on state tests, adjusted for community poverty levels.
View breakdown
Math Proficiency49% (2024 STAAR)
Reading/ELA Proficiency65% (2024 STAAR)
Math vs. State Avg+5.4 pts
Reading vs. State Avg+10.7 pts
Overall Proficiency57% (2024 STAAR, Math+ELA)
Expected (poverty-adj.)41% (model expectation from 2024 STAAR)
vs. Expected+16.1 pts
Adjusted Percentile80th
Resources & Environment8.4Excellent20%
Student-teacher ratio, district spending per student, and attendance.
View breakdown
Student-Teacher Ratio13.2:1
District spending per student$11,155
Chronic Absenteeism9.9%

Students at Horizon Montessori - Stem Academy score 57% proficient, which is above what's typical for similar communities (expected: 41%).

How we calculate scores →

2024 STAAR proficiency

Most recent published year. School vs. TX average.

Math Proficiency49%(2024 STAAR)
School
State
44%(2024 STAAR)
ELA Proficiency65%(2024 STAAR)
School
State
54%(2024 STAAR)

Trend

↑ Recovering

Proficiency declined earlier in the 16-year record (2009–2024), then recovered 20 points since 2020, reaching 57% in 2024.

Show all 15 years
2009
Math
87%
ELA
92%
2010
Math
82%
ELA
92%
2011
Math
92%
ELA
92%
2012
Math
70%
ELA
80%
2013
Math
79%
ELA
82%
2014
Math
80%
ELA
74%
2015
Math
80%
ELA
71%
2016
Math
86%
ELA
76%
2017
Math
58%
ELA
41%
2018
Math
48%
ELA
47%
2019
Math
48%
ELA
47%
2020*
Math
27%
ELA
47%
2021*
Math
27%
ELA
47%
2022
Math
38%
ELA
67%
2024
Math
49%
ELA
65%

Multi-year averages used by the rating model: math 63% (multi-year average, 2009-2024) · reading/ELA 68% (multi-year average, 2009-2024)

* COVID-affected year — test participation was uneven nationwide. This data is weighted at 50% in the Growth score calculation.

Based on 30 test records from TX state assessments and EdFacts (NCES).

Equity & diversity

Shown separately, not included in the overall score

Free/reduced lunch

78.9%

Students qualifying for federal meal assistance

How we rate schools

A clear 1–10 score built from public data — growth, academics, and learning environment. No hidden criteria, no pay-to-play.

See how we rate

The neighborhood

Where Horizon Montessori - Stem Academy sits, and what the surrounding area looks like.

Nearby same-level schools are colored by their score. Pins are locations, not attendance boundaries.

Getting around & local context

  • Walk 90Walker's Paradise
  • Bike 55Bikeable
  • City Safety: High1,992/100K

Powered byWalk Score

FBI Uniform Crime Reporting · 2024 · city context (Mcallen), not school-level safety or attendance eligibility. Source details

Source period: 2024. Freshness not available.

Area profileU.S. Census ACS 5-year estimates (ACS 2019–2023 5-year estimates)

Median income

$49,451

Median home value

$149,000

Median rent

$943/mo

College educated

26.6%

Homeownership

50.2%

Poverty rate

25.3%

ACS 2019–2023 5-year estimates for the ZCTA associated with school ZIP 78501; this is area context, not an attendance boundary.

Programs & students

Programs & Offerings

Gifted & Talented ProgramAvailable
This school offers a gifted and talented program for qualifying students.·CRDC via Urban Institute · SY 2021–22

Compare nearby

Nearby same-level schools

4 from a 5-mile search; district fallback available

SchoolScoreGradesDistanceEnrollmentCompare
Wilson ELEnrollment path unverified5.7PK–50.4 mi418Compare →
Fields ELEnrollment path unverified6.3PK–50.7 mi456Compare →
Alvarez ELEnrollment path unverified6.4PK–51.0 mi450Compare →
Taylor Christian SchoolPrivate · tuitionNot ratedK–51.0 mi7Compare →

Distance is proximity only; it is not attendance eligibility.

Enrollment path unverified: Potential public school; its attendance or application path has not been classified.

Private · tuition: Potential private option; tuition and admission requirements have not been verified.

Horizon Montessori Public Schools

Schools in district
4
Rank in district
#2 of 4
District spending per student
$11,155NCES F-33 · FY 2023 · This annual source is three years behind the current year.
District child poverty rate
The source release did not match this district identifier.

Horizon Montessori - Stem Academy is listed in HORIZON MONTESSORI PUBLIC SCHOOLS; a district label does not verify attendance for an address.

About Horizon Montessori - Stem Academy

Horizon Montessori - Stem Academy is a public elementary school in Mcallen, TX, part of Horizon Montessori Public Schools, serving approximately 342 students in grades Pre-K-8th with a 13.2:1 student-teacher ratio. It holds a MySchoolScout rating of 7.8 out of 10 and ranks #1,760 of 8,552 schools in TX. State assessment records show 63% math proficiency (multi-year average, 2009-2024) and 68% reading/ELA proficiency (multi-year average, 2009-2024).

Frequently asked questions

Common questions about Horizon Montessori - Stem Academy

What grades does Horizon Montessori - Stem Academy serve?

Horizon Montessori - Stem Academy serves students in grades Pre-K through 8th.

How many students attend Horizon Montessori - Stem Academy?

Horizon Montessori - Stem Academy has an enrollment of approximately 342 students.

What is the student-teacher ratio at Horizon Montessori - Stem Academy?

The student-teacher ratio at Horizon Montessori - Stem Academy is 13.2:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.

How does Horizon Montessori - Stem Academy rank in TX?

Horizon Montessori - Stem Academy ranks #1,760 of 8,552 schools in TX.

What is Horizon Montessori - Stem Academy's MySchoolScout rating?

Horizon Montessori - Stem Academy has a current MySchoolScout rating of 7.8 out of 10. This score combines the level-appropriate components shown in the rating breakdown; equity data is shown separately for context.

What are the test scores at Horizon Montessori - Stem Academy?

Based on loaded state assessment records, Horizon Montessori - Stem Academy has 63% math proficiency (multi-year average, 2009-2024) and 68% reading/ELA proficiency (multi-year average, 2009-2024).

Is Horizon Montessori - Stem Academy a charter school?

Yes, Horizon Montessori - Stem Academy is a charter school. Charter schools are publicly funded but independently operated, often with more flexibility in curriculum and teaching methods.

Is Horizon Montessori - Stem Academy a Title I school?

No, Horizon Montessori - Stem Academy is not currently a Title I school.

What does the Free & Reduced Lunch percentage mean for Horizon Montessori - Stem Academy?

78.9% of students at Horizon Montessori - Stem Academy qualify for free or reduced-price lunch. This is a commonly used indicator of economic need and provides important context when interpreting test scores.

School factsNCES Common Core of Data (CCD) (SY 2023–24)

Grades
Pre-K – 8th
Enrollment
342
Student-Teacher Ratio
13.2:1
Teachers (FTE)
26
Type
regular
Setting
Midsize City
County
Hidalgo County
Chronic Absenteeism (SY 2022-23)
9.9%
Area population (ZIP 78501)
59,095
Area average commute
18.8 min
Area median age
36.8
About this school's data

Every number on this page comes from a published source with a stated period. Where a source is partial, aging, or describes a surrounding area rather than the school, that limitation is named below.

School directory (enrollment, grades, staff, contact)
NCES Common Core of Data (CCD) · SY 2023–24 · Medium confidence
  • Source period: SY 2023–24. A newer release may be available.
MySchoolScout rating and rank
MySchoolScout ranking model · Low confidence
  • Vintage not available. Do not use this measure alone.
  • Derived as a weighted blend of the component scores shown in Academics from state assessment, EdFacts growth, and NCES resource records.
Math proficiency
State department of education · 2024 STAAR · Medium confidence
  • Available for part of the eligible units; results may not represent the full area.
  • Source period: 2024 STAAR. A newer release may be available.
  • Derived from source records rather than read directly from one field.
Reading/ELA proficiency
State department of education · 2024 STAAR · Medium confidence
  • Available for part of the eligible units; results may not represent the full area.
  • Source period: 2024 STAAR. A newer release may be available.
  • Derived from source records rather than read directly from one field.
Student progress (growth)
NCES EdFacts · Mixed source periods · Low confidence
  • Vintage not available. Do not use this measure alone.
  • Available for part of the eligible units; results may not represent the full area.
  • Derived as the fitted year-over-year slope of proficiency from multi-year assessment records.
Neighborhood (income, housing, education)
U.S. Census ACS 5-year estimates · ACS 2019–2023 5-year estimates · Low confidence
  • Older source: ACS 2019–2023 5-year estimates. Use as historical context.
  • Reported for the ZCTA for ZIP 78501; this does not measure the attendance area.
Programs (AP/IB, athletics, gifted)
CRDC via Urban Institute · SY 2021–22 · Medium confidence
  • Available for part of the eligible units; results may not represent the full area.
  • Source period: SY 2021–22. A newer release may be available.

Evidence periods: Rating mixed/unknown input periods; assessments multi-year average, 2009-2024; directory SY 2023–24

About our data · How we calculate scores

Related reading

Get school insights in your inbox

New rankings, best-schools lists, and parent guides — delivered free. No spam, unsubscribe anytime.

We respect your privacy. Unsubscribe at any time.