- Enrollment
- 331
- Students per teacher
- 12.3:1
- Resource Index
- 59/100
Other / mixed grade configuration · Harlingen, TX
Horizon Montessori Iii - Stem Academy
Federal NCES profile for Horizon Montessori Iii - Stem Academy, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 52/100.
2024-25 NCES dataOther / mixed grade configurationNCES 480006512111Charter school
👥 S:T ratio 55
🌟 Gifted program 70
🎓 Counselors 42
📋 Attendance 41
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Horizon Montessori Iii - Stem Academy earns 52/100 on the Resource Investment Index, with class sizes smaller than 83% of Texas schools. It is also less racially and ethnically mixed than most Texas schools.
- #4 of 21
- schools in Harlingen · Resource Index
- 52
- Resource Index · Higher
- 11.2:1
- small classes for Texas
- 66.5%
- free-lunch eligible
Horizon Montessori Iii - Stem Academy has class sizes smaller than 83% of Texas schools. Computed live against every Texas school reporting to NCES.
By Resource Investment Index, Horizon Montessori Iii - Stem Academy ranks #4 of 21 schools in Harlingen, TX.
School address
District: Horizon Montessori Public Schools · Texas
NCES ID 480006512111 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
-9 students YoY
Horizon Montessori Iii - Stem Academy held near 334 students from 2022-23 to 2023-24 (-9 headcount).
Teacher FTE lost 26.7 → 23.4 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Steady CCD campus
-9 students YoY 480006512111 · Harlingen, TX Other · SMALL · CHARTER
291 enr · 11.2:1 · 66.5% lunch · RII 52
Nearest enrollment peer: Horizon Montessori - Stem Academy (331 students)
Horizon Montessori Iii - Stem Academy held near 334 students from 2022-23 to 2023-24 (-9 headcount). Teacher FTE lost 26.7 → 23.4 across the same CCD years. Read with this school → · District book → · Texas schools → · Find another →
Horizon Montessori Iii - Stem Academy in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- Horizon Montes
Horizon Montessori - Stem Academy
331 students
- Horizon Montes
Horizon Montessori Ii - Stem Academy
326 students
- This school
Horizon Montessori Iii - Stem Academy
291 students
- Horizon Montes
Horizon Montessori Pearland - Stem Academy
216 students
What this shows Horizon Montessori Iii - Stem Academy reports 291 students on the CCD universe file.
How Horizon Montessori Iii - Stem Academy compares
Horizon Montessori Iii - Stem Academy held steady on CCD headcount: ratios and free-lunch share vs Texas and U.S. means.
| Metric | This school | vs Texas | Texas avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 11.2:1 | ▼ 24% | 14.7:1 | 15.7:1 |
| Free-lunch eligible | 66.5% | ▲ 7% | 61.9% | 51.7% |
| Enrollment | 291 | top 76% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
11.2:1
Leaner classes than 82% of US schools, among the more generously staffed nationally.
291
Bigger than 31% of US schools by enrollment, mid-sized for the country.
Equity indicators methodology
Economic need
66.5%
free-lunch eligible
- 7% above the Texas average of 61.9%
Above the 40% Title I schoolwide threshold; federal funds support the whole school, not individual students.
Staffing depth
11.2:1
students per teacher
- 24% below state mean
Top 17% in Texas - lower ratio than 83% of state schools
Well under the widely cited 15:1 individualized-attention benchmark, among the leaner class loads nationally.
Engagement
23.7%
chronically absent (missed 10%+ of school days)
At or above 20%, the commonly used threshold for "high" chronic absenteeism, signaling significant barriers to regular attendance.
Funding equity
$11,155
per pupil, district-wide
- below Texas avg of $14,348
Well below the U.S. average per-pupil spend, a notably leaner funding position that may affect programs, facilities, and staffing.
Support staff
Counselors1.0 FTE
Per 291 students, the combined health-and-guidance staffing load for this school.
Discipline context
0
in-school suspensions + 2 out-of-school
Suspension rate: 0.0 per 100 students. Combined in-school and out-of-school rate: 0.7 per 100 students. Reported via the Civil Rights Data Collection. Includes 1 expulsion.
Student demographics
Hispanic or Latino 93.8%
White 4.1%
Asian 2.1%
Largest group: Hispanic or Latino at 93.8% of enrollment.
Student-body diversity index 11.8/100
Simpson diversity index - at 11.8, Horizon Montessori Iii - Stem Academy is less mixed than the Texas school average of 44.7.
Programs
AP courses offered 1
Gifted & talented Yes
District finance for Horizon Montessori Public Schools reports $11,155 per pupil (NCES F-33) - open the district page for the full revenue mix.
How Horizon Montessori Iii - Stem Academy Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Horizon Montessori - Stem Academy | Similar size | Higher economic need | Similar S:T ratio |
| Horizon Montessori Ii - Stem Academy | Similar size | Similar economic need | Higher S:T ratio |
| Horizon Montessori Pearland - Stem Academy | Smaller | Similar economic need | Similar S:T ratio |
Comparisons are relative to Horizon Montessori Iii - Stem Academy's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 326
- Students per teacher
- 13:1
- Resource Index
- 46/100
- Enrollment
- 216
- Students per teacher
- 10.8:1
- Resource Index
- 52/100
Nationwide other schools with similar size or staffing
Out-of-state peers matched by enrollment and by student-teacher ratio, not the same-city or same-district lists above.
Similar enrollment (~291 students)
Frequently asked questions about Horizon Montessori Iii - Stem Academy
How many students attend Horizon Montessori Iii - Stem Academy?
Horizon Montessori Iii - Stem Academy has 291 students enrolled. It is a public school in Harlingen, TX. CCD year-over-year: 343 (2022-23) → 334 (2023-24), nearly flat (-9).
What is the student-teacher ratio at Horizon Montessori Iii - Stem Academy?
The student-teacher ratio at Horizon Montessori Iii - Stem Academy is 11.2:1, which is 24% lower than the Texas average of 14.7:1 and 29% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
What percentage of students receive free lunch at Horizon Montessori Iii - Stem Academy?
66.5% of students at Horizon Montessori Iii - Stem Academy are eligible for free lunch, compared to the Texas average of 61.9%.
What is the racial and ethnic makeup of Horizon Montessori Iii - Stem Academy?
The largest demographic group at Horizon Montessori Iii - Stem Academy is Hispanic or Latino at 93.8% of enrollment, in Harlingen, TX.
What is the Resource Investment Index for Horizon Montessori Iii - Stem Academy?
Horizon Montessori Iii - Stem Academy has a Resource Investment Index of 52/100 (higher reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, gifted-program reporting, counselor availability, chronic absenteeism. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Horizon Montessori Iii - Stem Academy rank among schools in Harlingen?
By Resource Investment Index, Horizon Montessori Iii - Stem Academy ranks #4 of 21 schools in Harlingen, TX. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all schools in Harlingen on the city page.
What other schools are in Horizon Montessori Public Schools?
Besides Horizon Montessori Iii - Stem Academy, Horizon Montessori Public Schools also operates Horizon Montessori - Stem Academy (331 students), Horizon Montessori Ii - Stem Academy (326 students), and Horizon Montessori Pearland - Stem Academy (216 students). See the Horizon Montessori Public Schools district page for the complete list.