Enrollment
346
Elementary
DISTRICT 488 · STATE 519
SCHOOL COMMUNITY·DALLAS ISD·NCES 481623013714
Montessori Academy at Onesimo Hernandez Elementary School
5555 MAPLE AVE, DALLAS, TX 75235 · (972) 925-2700 · Dallas County
GRADES PK–08ELEMENTARY11-CITYTITLE IREGULAR SCHOOL346 STUDENTS
A-
allk12 Grade
Scored higher than 75% of Texas public elementary schools
- B+Test scores Share of students meeting the state standard in reading, math, and other tested subjects, 2023-24 and 2024-25.
- ABeats expectations How far test scores land above or below what the share of low-income students predicts for a school in this state.
- CThree-year trend Change in reading and math proficiency over the last three test years.
Grades compare a school only with schools in the same state, because every state gives its own test. How grades work · Top-graded Texas public elementary schools
Student : Teacher
12.9:1
27 FTE teachers
DISTRICT 14.6:1 · STATE 15.1:1
Free / Reduced Lunch
76%
263 students
DISTRICT 89% · 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, 2024-25
| Grade | Students | Share |
|---|---|---|
| Pre-K | 76 | 22% |
| Kindergarten | 41 | 12% |
| Grade 1 | 38 | 11% |
| Grade 2 | 39 | 11% |
| Grade 3 | 29 | 8% |
| Grade 4 | 35 | 10% |
| Grade 5 | 22 | 6% |
| Grade 6 | 27 | 8% |
| Grade 7 | 19 | 5% |
| Grade 8 | 20 | 6% |
This year's kindergarten class (41) is 105% larger than its 8th grade class (20).
Student demographics
35%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 45% · STATE 63% · US 70%
Student head counts by race/ethnicity from federal NCES enrollment data. District, state, and US figures are each group's share of all public school students in that area (US excludes territories). Very small groups may be suppressed in the source, so categories do not always sum exactly to total enrollment.
Gender split
QUIET COMMUNITY
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START A DISCUSSIONTest scores
STAAR 2025-26 . % Meets Grade Level or AboveReading
49.0%
TX avg 54.5% . +23.0pp since 2020
Mathematics
41.0%
TX avg 45.3% . +15.0pp since 2020
What this means: On the STAAR, Texas's statewide test, about 49 of every 100 students at this school read at grade level and about 41 of 100 do math at grade level. Across all Texas schools, those numbers are about 55 and 45. Reading scores are up about 23 points since 2020, while math scores are up about 15 points.
Performance levels, 2025-26
| Subject | Masters Grade Level | Meets Grade Level | Approaches Grade Level | Did Not Meet Grade Level |
|---|---|---|---|---|
| Reading | 24.0% | 25.0% | 19.0% | 32.0% |
| Mathematics | 18.0% | 23.0% | 28.0% | 31.0% |
Share of tested students at each STAAR level. Each student counts in one level, so a row adds to about 100%.
STAAR results by year
| School year | Reading | Mathematics |
|---|---|---|
| 2025-26 | 49.0% | 41.0% |
| 2024-25 | 58.0% | 56.0% |
| 2023-24 | 59.0% | 50.0% |
| 2022-23 | 43.0% | 51.0% |
| 2021-22 | 35.0% | 28.0% |
| 2020-21 | 26.0% | 26.0% |
% Meets Grade Level or Above, all students and all tested grades.
Source: STAAR. All students, all grades. See all years and grades →
BeatsExpectations
Demographically-adjusted score · methodologyTier
AS EXPECTED
Performing as predicted given the school's student profile
Actual proficiency
52.2%
composite math + reading, all grades
Predicted
41.2%
based on TX schools with similar FRL share
Beats by
+10.9pp
above demographic expectation
What this means: About 52% of students here test proficient in math and reading, compared with the roughly 41% typical for Texas schools with a similar share of low-income students. BeatsExpectations measures results against demographically similar schools rather than by raw scores, and this school falls within the typical range, neither among Texas's top nor bottom 10%.
BeatsExpectations runs a per-state regression of proficiency on free/reduced-lunch share, then scores each school by residual. How this is calculated →
Schools most like Montessori Academy at Onesimo Hernandez Elementary School
Montessori Academy at Onesimo Hernandez Elementary School's state test result (52.2% proficient) is higher than 5 of the 5 schools below with a result.
| School | Students | Low-income | Proficient |
|---|---|---|---|
| Montessori Academy at Onesimo Hernandez Elementary School this school | 346 | 76.0% | 52.2% |
| Barron Elementary School EL PASO | 368 | 78.3% | 32.4% |
| Wayside Altamira Academy AUSTIN | 354 | 77.1% | 22.4% |
| Memorial Elementary School PLANO | 407 | 77.6% | 28.8% |
| Coronado Village Elementary School UNIVERSAL CITY | 318 | 73.3% | 33.1% |
| Williams Elementary School AUSTIN | 377 | 71.9% | 42.7% |
Matched among Texas elementary schools on enrollment, the share of students from low-income families (eligible for free or reduced-price lunch), and racial and ethnic makeup. Proficient is the average share of students meeting the state standard across all of the school's state tests in 2023-24 and 2024-25, the same combined score our test-score rankings use. Online schools and schools serving specialized populations are not matched.
Where Montessori Academy at Onesimo Hernandez Elementary School ranks
Among elementary schools| Measure | This school | In Texas | In Dallas County |
|---|---|---|---|
| State test proficiency ranked highest first | 52.2% | #1,254 of 4,401 | #78 of 421 |
| Math proficiency ranked highest first | 41.0% | #2,722 of 4,466 ▼ 1,586 | #231 of 429 ▼ 148 |
| Reading proficiency ranked highest first | 49.0% | #2,617 of 4,466 ▼ 1,029 | #189 of 429 ▼ 75 |
| 3-year test score change ranked biggest drop first | -2.0pp | #959 of 3,998 | #132 of 399 |
| Enrollment ranked largest first | 346 | #3,897 of 4,938 | #372 of 448 |
| Students per teacher ranked fewest first | 12.9:1 | #786 of 4,622 | #52 of 432 |
| Diversity index ranked most diverse first | 35.3% | #3,250 of 4,628 | #290 of 433 |
| Free and reduced lunch ranked highest share first | 76.0% | #2,215 of 4,789 | #312 of 437 |
Ranked against other public elementary schools. Online schools are left out of every list, and test-score lists leave out schools that serve specialized populations. Each rank links to the full list. Arrows under a test-score rank show places moved since the prior test year, among schools tested both years.
4-year change
SY 2020-21 vs SY 2024-25Enrollment
346
+62 (+22%) vs 2020
Student : Teacher
12.9:1
was 14.9:1
Source: NCES Common Core of Data
Enrollment and staffing by year
| School year | Students | Teachers (FTE) | Students per teacher | Free and reduced lunch |
|---|---|---|---|---|
| 2024-25 | 346 | 26.7 | 12.9:1 | 76% (263) |
| 2023-24 | 353 | 24 | 14.7:1 | 68% (239) |
| 2022-23 | 353 | 21 | 16.8:1 | 58% (203) |
| 2020-21 | 284 | 19 | 14.9:1 | 63% (179) |
Source: NCES Common Core of Data. Rows are the federal collections on file for Montessori Academy at Onesimo Hernandez Elementary School.
About Montessori Academy at Onesimo Hernandez Elementary School
Montessori Academy at Onesimo Hernandez Elementary School is a small elementary school. Its address is in DALLAS, Texas. The school enrolls 346 students in pre-K through 8. Across elementary schools in Texas, the average enrollment is about 519.
Montessori Academy at Onesimo Hernandez Elementary School is one of 240 schools in DALLAS ISD, which enrolls 140,630 students in total.
The largest group at Montessori Academy at Onesimo Hernandez Elementary School is Hispanic students, at 80%. Enrollment also includes 8% Black, 5% Asian, and 4% White. Among people living in Dallas County, the Hispanic share is about 41%. The diversity index for Montessori Academy at Onesimo Hernandez Elementary School is 35%. For US public schools as a whole it is 70%.
There are 26.7 full-time-equivalent teachers at Montessori Academy at Onesimo Hernandez Elementary School, giving a ratio of 12.9:1. By comparison, the average for elementary schools in Texas is 15.1:1. A total of 263 students, or 76%, are eligible for free or reduced-price lunch. The figure for public schools in Dallas County is close, at 77%.
Montessori Academy at Onesimo Hernandez Elementary School holds an A- allk12 Grade, placing it above 75% of Texas public elementary schools.
The BeatsExpectations prediction for Montessori Academy at Onesimo Hernandez Elementary School is 41.2%, and its average proficiency rate across its state test results is 52.2%.
In the surrounding county, Dallas County, median household income comes to about $76,547, about 36% of adults have at least a bachelor's degree, and roughly 11% of residents are in poverty. The county has 771 public schools and about 459,645 students.
A public school about 0.4 miles away, Thomas J Rusk Middle School, is the closest to Montessori Academy at Onesimo Hernandez Elementary School. In all, at least 8 other public schools sit within five miles of Montessori Academy at Onesimo Hernandez Elementary School. Of 7 schools in the immediate area with test results, Montessori Academy at Onesimo Hernandez Elementary School ranks 3rd on average proficiency.
By NCES locale, the school is City: Large, or inside a principal city with a population of 250,000 or more.
Over 4 years, enrollment increased by 62 students, from 284 to 346. Federal data show the ratio falling from 14.9:1 to 12.9:1.
This page collects posts and questions about Montessori Academy at Onesimo Hernandez Elementary School, such as open houses, carpools, and field trips. Current and former families are welcome to add their experience.
Dallas County at a glance
View full county profilePopulation
2,621,179
Census ACS
Median income
$76,547
Household, ACS
Bachelor's+
36%
Adults 25+
Poverty rate
11%
Below federal line
Schools in county
771
459,645 students
Quick facts
Related schools
Other schools in DALLAS ISD
- Skyline High SchoolHigh · 3,837 students
- Bryan Adams H S Leadership AcademyHigh · 2,208 students
- W T White High SchoolHigh · 2,204 students
- Sunset High SchoolHigh · 2,164 students
- Moises E Molina High SchoolHigh · 2,006 students
- Woodrow Wilson High SchoolHigh · 1,832 students
Other schools in DALLAS
- Skyline High SchoolHigh · 3,837 students
- Lake Highlands High SchoolHigh · 2,972 students
- Oak Cliff Faith Family AcademyCombined · 2,670 students
- Bryan Adams H S Leadership AcademyHigh · 2,208 students
- W T White High SchoolHigh · 2,204 students
- Sunset High SchoolHigh · 2,164 students
Nearby schools
- Thomas J Rusk Middle School0.4 mi · 373
- Maple Lawn Elementary School0.6 mi · 511
- Biomedical Preparatory at Ut Southwestern0.7 mi · 213
- Callier Center Pre-School Deaf (0-5)0.7 mi · 59
- Esperanza Medrano Elementary School1.0 mi · 349
- Arlington Park Early Childhood Center1.0 mi · 77
Frequently asked questions
About Montessori Academy at Onesimo Hernandez Elementary SchoolHow many students attend Montessori Academy at Onesimo Hernandez Elementary School?
Montessori Academy at Onesimo Hernandez Elementary School enrolls approximately 346 students in grades PK-08.
Is Montessori Academy at Onesimo Hernandez Elementary School an elementary, middle, or high school?
Montessori Academy at Onesimo Hernandez Elementary School is an elementary school covering grades PK-08.
What is the student-teacher ratio at Montessori Academy at Onesimo Hernandez Elementary School?
The student-to-teacher ratio at Montessori Academy at Onesimo Hernandez Elementary School is approximately 12.9:1 (27 FTE teachers).
What is the racial breakdown of students at Montessori Academy at Onesimo Hernandez Elementary School?
At Montessori Academy at Onesimo Hernandez Elementary School, the student body is approximately 4% White, 80% Hispanic, 8% Black, 5% Asian, 1% Two or more.
Is Montessori Academy at Onesimo Hernandez Elementary School public or private?
Montessori Academy at Onesimo Hernandez Elementary School is a public K-12 school, overseen by DALLAS ISD.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.