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Average

#3424 of 8,547 schools in TX

Top 40% in state

Horizon Montessori - Stem Academy

Elementary School · HORIZON MONTESSORI PUBLIC SCHOOLS

320 N MAIN ST, Mcallen, TX 78501

Charter

Enrollment

342

Student-Teacher

13.2:1

Score

6.7

Grades

Pre-K – 8th

Updated 2022-23

How this school compares

In Mcallen

#11 of 37

public schools

Texas elementary schools

#1,707 of 4,678

In district

#1 of 4

HORIZON MONTESSORI PUBLIC SCHOOLS

Academic performance

7.5 / 10

Very strong

About Horizon Montessori - Stem Academy

Horizon Montessori - STEM Academy is a charter school in McAllen, Texas, offering a unique educational experience for students from pre-K through 8th grade. With an enrollment of 342 students and a student-teacher ratio of 13.2:1, the school provides personalized attention to help each child thrive academically and socially. The school's dedicated staff includes 26 full-time equivalent teachers who work diligently to support their students' learning needs.

Horizon Montessori - STEM Academy places strong emphasis on both traditional Montessori methods and innovative STEM education, fostering critical thinking and problem-solving skills from a young age. While the school’s MySchoolScout rating of 5.0/10 indicates there is room for academic growth, particularly in math with only 38% proficiency, the ELA/Reading scores at 47% proficient or above suggest areas where students are excelling. Located in a mid-size city setting, Horizon Montessori - STEM Academy benefits from being part of a vibrant community that values education and supports its young learners.

The school continues to focus on student development and is committed to providing a comprehensive educational foundation for all its pupils.

What Parents Should Know

Horizon Montessori - Stem Academy is a charter school — a publicly funded school that operates with more autonomy than traditional district schools. Charter schools often have distinct educational models or specialties. Parents should understand the school's specific mission, enrollment process, and how its approach differs from nearby district options.

Score Breakdown

Full Profile · 3/3 metrics
Student Progress6.2Above Average50%
Year-over-year improvement in student test scores.
View breakdown
Years of Data2
Annual Change-5.25 pts/yr
Data Period2019–2021
TrendDeclining
Academics7.5Very Good30%
Student proficiency on state tests, adjusted for community poverty levels.
View breakdown
Math Proficiency27%
Reading/ELA Proficiency47%
Overall Proficiency37%
Expected (poverty-adj.)31%
vs. Expected+6.3 pts
Adjusted Percentile62th
College ReadinessNot Available

Data not available for this school

Resources & Environment6.8Above Average20%
Student-teacher ratio, per-pupil spending, and attendance.
View breakdown
Student-Teacher Ratio13.2:1
Per-Pupil Spending$10,302

Horizon Montessori - Stem Academy — Students at Horizon Montessori - Stem Academy score 37% proficient, which is above what's typical for similar communities (expected: 31%).

How we calculate scores →

Equity & Diversity

Shown separately, not included in overall score

Free/Reduced Lunch

78.9%

Students qualifying for federal meal assistance

Test Scores TX EDFACTS (2020-21)

Math Proficiency 37.5%
School
State
N/A
ELA Proficiency 47.0%
School
State
N/A

Based on 4 test records from TX state assessments. About our data

Proficiency Trend

↓ Declining

Average proficiency (% at or above grade level) across Math & ELA over time.

2019
Math
48%
ELA
47%
2021*
Math
27%
ELA
47%

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

Source: EdFacts (NCES) and state assessment data. Growth score: 6.2/10.

How Horizon Montessori - Stem Academy Compares

See how Horizon Montessori - Stem Academy performs across key quality dimensions compared to state benchmarks.

Overall Score
6.7/10
60th percentile in TX
Academic
7.5/10
7.5/10
Growth
6.2/10
Above average
Environment
6.8/10
Above average

Funding & Resources

Free/Reduced Lunch
Students eligible for subsidized meals
79%
Teaching Staff
13:1 student-teacher ratio
26 teachers

Location

320 N MAIN ST, Mcallen, TX 78501

Nearby Alternatives

Families considering Horizon Montessori - Stem Academy may also want to explore other elementary schools in the area. MILAM EL (rated 9.0/10, 2.2 miles away), which scores notably higher. Another option is ST PAUL LUTHERAN SCHOOL (rated 6.9/10, 1.2 miles away), with a very similar rating. Additionally, WILSON EL (rated 6.8/10, 0.4 miles away), with a very similar rating. For more schools in Mcallen, see our Mcallen schools guide .

Nearby Schools

20 within 2.2 mi
School Distance Rating
TRIUMPH PUBLIC HIGH SCHOOLS-MCALLEN Mcallen 0.2 mi 4.9
WILSON EL Mcallen 0.4 mi 6.8
LAMAR ACADEMY Mcallen 0.5 mi 6.1
FIELDS EL Mcallen 0.7 mi 6.4
TRAVIS MIDDLE Mcallen 0.9 mi 6.3
TAYLOR CHRISTIAN SCHOOL Mcallen 1.0 mi
THIGPEN-ZAVALA EL Mcallen 1.1 mi 5.1
ALVAREZ EL Mcallen 1.0 mi 3.4
MEMORIAL H S Mcallen 1.1 mi 8.9
ST PAUL LUTHERAN SCHOOL Mcallen 1.2 mi 6.9
INSTR/GUID CENTER Mcallen 1.2 mi 7.5
MCALLEN H S Mcallen 1.4 mi 8.8
ACHIEVE EARLY COLLEGE H S Mcallen 1.3 mi 8.9
ST JOHNS EPISCOPAL DAY SCHOOL Mcallen 1.4 mi 6.1
CATHEY MIDDLE Mcallen 1.5 mi 6.2
JACKSON EL Mcallen 1.6 mi 4.0
SEGUIN EL Mcallen 1.7 mi 4.5
QUEST COLLEGIATE ACADEMY-MCALLEN Lewisville 1.9 mi 5.0
ESCANDON EL Mcallen 1.8 mi 4.3
MILAM EL Mcallen 2.2 mi 9.0

Neighborhood Census ACS (2019-2023)

Census data for ZIP 78501 (ACS 2019-2023 5-Year Estimates) · Data sources

Median Income

$49,451

Median Home Value

$149,000

Median Rent

$943/mo

Population

59,095

College Educated

26.6%

Homeownership

50.2%

Avg Commute

18.8 min

Poverty Rate

25.3%

Median Age

36.8

Community Profile

The community surrounding Horizon Montessori - Stem Academy has a median household income of $49,451. It is an area where 27% of adults hold a bachelor's degree or higher. The median home value in the area is $149,000, with a median rent of $943/month. The area has a poverty rate of 25.3%, indicating some economic challenges in the community. Residents enjoy a short average commute of 19 minutes. Source: U.S. Census ACS 2022 5-Year Estimates.

Similar Schools

Schools in the same state with comparable level, size, and ratings

School Rating
ALDRIDGE EL Richardson, TX 6.7
AMANDA ROCHELL EL Rockwall, TX 6.7
ARTHUR KRAMER EL Dallas, TX 6.7
ATWOOD MCDONALD EL Fort Worth, TX 6.7
BELMAR EL Amarillo, TX 6.7
BIVINS EL Amarillo, TX 6.7

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 is ranked #3424 out of 8,547 schools in TX.

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

Horizon Montessori - Stem Academy has a composite rating of 6.7 out of 10 on MySchoolScout. This score combines academic performance, student growth, and school environment into a single score. Equity data is shown separately for context.

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

Based on the most recent state assessment data, Horizon Montessori - Stem Academy has 37.5% math proficiency and 47.0% reading/ELA proficiency.

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.

11 schools nearby View map →

Neighborhood Context

City Safety
High (1,992/100K)

FBI UCR 2024. City-level (Mcallen). Data >1 year old.

Quick Facts NCES CCD (SY 2022-23)

Grades
Pre-K – 8th
Enrollment
342
Student-Teacher Ratio
13.2:1
Teachers (FTE)
26
Free/Reduced Lunch
78.9%
Type
regular
Setting
Midsize City
County
Hidalgo County
Data Year
2023–2024

District

HORIZON MONTESSORI PUBLIC SCHOOLS
District Enrollment
1,424
Schools in District
4
Per-Pupil Spending
$11,155
District Rank
#1 of 4

How We Rate Schools

Every school receives a composite score from 1 to 10 based on four pillars: Academic Performance (50%), Student Growth (20%), Equity (15%), and Learning Environment (15%). Scores are built from publicly available data including standardized test results, enrollment figures, and school climate indicators.

Read our full methodology

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