Enrollment
346
Texas · 2024-25 NCES data
Other / mixed grade configuration · Dallas, TX
Montessori Academy at Onesimo Hernandez El
Federal NCES profile for Montessori Academy at Onesimo Hernandez El, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 54/100.
2024-25 NCES dataOther / mixed grade configurationNCES 481623013714
👥 S:T ratio 34
🌟 Gifted program 70
🎓 Counselors 30
📋 Attendance 82
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Montessori Academy at Onesimo Hernandez El earns 54/100 on the Resource Investment Index, with class sizes larger than 76% of Texas schools.
- #23 of 232
- schools in Dallas · Resource Index
- 54
- Resource Index · Higher
- 16.5:1
- large classes for Texas
- 54.4%
- free-lunch eligible
Montessori Academy at Onesimo Hernandez El has class sizes larger than 76% of Texas schools. Computed live against every Texas school reporting to NCES.
By Resource Investment Index, Montessori Academy at Onesimo Hernandez El ranks #23 of 232 schools in Dallas, TX.
School address
Teachers (FTE)
21.0
Federal CCD staff survey
Students per teacher
16.5:1
vs 14.7:1 Texas avg
+12% vs state
Free-lunch eligible
54.4%
vs 61.9% Texas avg
-12% vs state
Student-teacher ratio in context
How Montessori Academy at Onesimo Hernandez El compares with Texas and U.S. medians
What stands out at Montessori Academy at Onesimo Hernandez El
Montessori Academy at Onesimo Hernandez El is a higher-need, mid-sized combined-grade school in Dallas, Texas, enrolling 346 students.
Class loads run somewhat heavier than typical: 16.5:1 puts it in the larger third of Texas schools by student-teacher ratio.
Economic need runs somewhat below the state's typical profile, with 54.4% of students eligible for free meals.
Enrollment of 346 puts it in the smaller third of Texas schools by headcount.
Its Resource Investment Index lands in the upper third of 8,960 scored Texas schools.
Against 1,002 statewide peers matched on enrollment and economic need, it ranks in the upper tier at #256.
Its student body is led by Hispanic or Latino (80%) and African American (8%) (diversity index 35/100).
Counselor availability sits well past the ASCA benchmark, roughly 350 students sharing each counselor, though short of the most stretched campuses.
Attendance holds up well here: only 7.2% of students were chronically absent, below the typical post-pandemic national figure.
Its district draws 19.6% of revenue from federal sources, an above-typical federal share that tends to track a higher-need student population.
Dallas Isd also operates Skyline H S (3,837 students) and Bryan Adams H S Leadership Academy (2,208 students) alongside Montessori Academy at Onesimo Hernandez El.
Sourced from NCES CCD, CRDC, and F-33 (federal records, not a quality verdict). How we source and compute this.
Source: National Center for Education Statistics Common Core of Data + CRDC + F-33 · 2024-25
How Montessori Academy at Onesimo Hernandez El compares
Montessori Academy at Onesimo Hernandez El on the metrics families compare, against Texas and U.S. means.
| Metric | This school | vs Texas | Texas avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 16.5:1 | ▲ 12% | 14.7:1 | 15.7:1 |
| Free-lunch eligible | 54.4% | ▼ 12% | 61.9% | 51.7% |
| Enrollment | 346 | top 70% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
16.5:1
Leaner classes than 34% of US schools, a middle-of-the-pack class size.
346
Bigger than 39% of US schools by enrollment, mid-sized for the country.
Equity indicators (what these measure)
Economic need
54.4%
free-lunch eligible
- 12% below the Texas average of 61.9%
Above the 40% Title I schoolwide threshold; federal funds support the whole school, not individual students.
Staffing depth
16.5:1
students per teacher
- 12% above state mean
Top 76% in Texas - lower ratio than 24% of state schools
Between 16:1 and 20:1, squarely in the typical U.S. public-school staffing range.
Engagement
7.2%
chronically absent (missed 10%+ of school days)
In the 5-10% range, close to the pre-pandemic national baseline.
Funding equity
$12,650
per pupil, district-wide
- below Texas avg of $13,644
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
Student-support staffing from the Civil Rights Data Collection.
Discipline context
0
in-school suspensions + 0 out-of-school
Suspension rate: 0.0 per 100 students. Combined in-school and out-of-school rate: 0.0 per 100 students. Reported via the Civil Rights Data Collection.
Overview
- Common Core of Data (June 2026): enrollment, staffing, and the student-teacher ratio above.
- Civil Rights Data Collection: discipline counts and program access (AP, gifted, special education).
- F-33 School District Finance Survey: the district-wide per-pupil spending figures below.
Three separate federal collections, each on its own reporting cadence - which is why this school's numbers line up on a consistent basis against every other school and state on this site, rather than mixing figures pulled from different survey years.
Student demographics
Hispanic or Latino 79.8%
African American 7.8%
Asian 5.2%
White 4.3%
American Indian / Alaska Native 1.4%
Two or More 1.4%
Largest group: Hispanic or Latino at 79.8% of enrollment.
Student-body diversity index 35.2/100
Simpson diversity index - at 35.2, Montessori Academy at Onesimo Hernandez El is less mixed than the Texas school average of 44.7.
Programs
Gifted & talented Yes
Funding & spending
District-wide per-pupil expenditure for Dallas Isd, which includes Montessori Academy at Onesimo Hernandez El.
$12,650
Per student
-7%
vs Texas
Avg $13,644
-24%
vs U.S.
Avg $16,593
Revenue mix
Local 72.4%
State 8.0%
Federal 19.6%
Source: NCES F-33 School District Finance Survey District-level finance · FY 2021-22 Per-pupil expenditure reflects the district-wide average. Individual school budgets are not reported at the federal level.
How Montessori Academy at Onesimo Hernandez El Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Skyline H S | Larger | Higher economic need | Lower S:T ratio |
| Bryan Adams H S Leadership Academy | Larger | Higher economic need | Similar S:T ratio |
| W T White H S | Larger | Higher economic need | Similar S:T ratio |
| Sunset H S | Larger | Higher economic need | Similar S:T ratio |
| Moises E Molina H S | Larger | Higher economic need | Similar S:T ratio |
Comparisons are relative to Montessori Academy at Onesimo Hernandez El's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 3,837
- Students per teacher
- 14.4:1
- Resource Index
- 48/100
- Enrollment
- 2,208
- Students per teacher
- 16.2:1
- Resource Index
- 32/100
- Enrollment
- 2,204
- Students per teacher
- 16.7:1
- Resource Index
- 38/100
- Enrollment
- 2,164
- Students per teacher
- 17:1
- Resource Index
- 47/100
- Enrollment
- 2,006
- Students per teacher
- 15.8:1
- Resource Index
- 47/100
Similar other schools statewide
Matched by enrollment size and by staffing ratio across all of Texas, not just this city - a different peer set than the local comparisons above.
Similar enrollment (~346 students)
Next steps
Verify locally before acting on Montessori Academy at Onesimo Hernandez El's federal record.
- Compare Montessori Academy at Onesimo Hernandez El against another school. Compare schools
- Dallas Isd's spending and staffing shape this school. District profile
- Confirm current enrollment and boundaries with the school. Choosing guide
Federal record (CCD 2024-25, CRDC 2021-22) - PlainSchools assigns no subjective rating; the composite quality score is a transparent, reproducible index computed from this cited federal data.
Frequently asked questions about Montessori Academy at Onesimo Hernandez El
How many students attend Montessori Academy at Onesimo Hernandez El?
Montessori Academy at Onesimo Hernandez El has 346 students enrolled. It is a public school in Dallas, TX.
What is the student-teacher ratio at Montessori Academy at Onesimo Hernandez El?
The student-teacher ratio at Montessori Academy at Onesimo Hernandez El is 16.5:1, which is 12% higher than the Texas average of 14.7:1 and 5% higher than the national average of 15.7:1.
What percentage of students receive free lunch at Montessori Academy at Onesimo Hernandez El?
54.4% of students at Montessori Academy at Onesimo Hernandez El are eligible for free lunch, compared to the Texas average of 61.9%.
What is the racial and ethnic makeup of Montessori Academy at Onesimo Hernandez El?
The largest demographic group at Montessori Academy at Onesimo Hernandez El is Hispanic or Latino at 79.8% of enrollment, in Dallas, TX.
What is the Resource Investment Index for Montessori Academy at Onesimo Hernandez El?
Montessori Academy at Onesimo Hernandez El has a Resource Investment Index of 54/100 (higher reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, counselor availability, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Montessori Academy at Onesimo Hernandez El rank among schools in Dallas?
By Resource Investment Index, Montessori Academy at Onesimo Hernandez El ranks #23 of 232 schools in Dallas, TX. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all schools in Dallas on the city page.
Is Montessori Academy at Onesimo Hernandez El a good school?
Montessori Academy at Onesimo Hernandez El earns 54/100 on the Resource Investment Index, with class sizes larger than 76% of Texas schools. This is a resource snapshot, not an academic rating; see the Resource Investment Index question above for what the number does and doesn't measure.
What other schools are in Dallas Isd?
Besides Montessori Academy at Onesimo Hernandez El, Dallas Isd also operates Skyline H S (3,837 students), Bryan Adams H S Leadership Academy (2,208 students), and W T White H S (2,204 students). See the Dallas Isd district page for the complete list.
Related tools
Every figure on PlainSchools is rendered directly from the source NCES, CRDC and F-33 federal records, no number is typed in by an editor. Each school's figures reflect its most recent NCES/CRDC submission on file. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of June 2026.