Enrollment
181
Texas · 2024-25 NCES data
Middle school (grades 6-8) · Dilley, TX
Mary Harper Middle
Federal NCES profile for Mary Harper Middle, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 48/100.
2024-25 NCES dataMiddle school (grades 6-8)NCES 481710001484
👥 S:T ratio 60
🌟 Gifted program 70
🎓 Counselors 64
📋 Attendance 0
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Mary Harper Middle earns 48/100 on the Resource Investment Index, with class sizes smaller than 89% of Texas schools. It is also less racially and ethnically mixed than most Texas schools.
- #1 of 3
- public schools in Dilley · Resource Index
- 48
- Resource Index · Typical
- 10.1:1
- small classes for Texas
- 79.2%
- free-lunch eligible
Mary Harper Middle has class sizes smaller than 89% of Texas schools. Computed live against every Texas school reporting to NCES.
By Resource Investment Index, Mary Harper Middle ranks #1 of 3 public schools in Dilley, TX.
School address
Teachers (FTE)
18.0
Federal CCD staff survey
Students per teacher
10.1:1
vs 14.7:1 Texas avg
-31% vs state
Free-lunch eligible
79.2%
vs 61.9% Texas avg
+28% vs state
Student-teacher ratio in context
How Mary Harper Middle compares with Texas and U.S. medians
What stands out at Mary Harper Middle
Mary Harper Middle is a high-poverty, small middle school in Dilley, Texas, enrolling 181 students.
Classes run notably small here: at 10.1:1, Mary Harper Middle is leaner than roughly 89% of Texas schools and 31% under the state's 14.7:1 norm, more adult attention per pupil than most peers.
Economic need runs somewhat above the state's typical profile, with 79.2% of students eligible for free meals.
Enrollment of 181 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 395 statewide peers matched on enrollment and economic need, it ranks mid-pack at #218.
Its student body is predominantly Hispanic or Latino (93% of enrollment), among the less diverse in the state (diversity index 13/100).
Counselor coverage is strong, about 181 students per counselor, inside the American School Counselor Association's recommended 250:1.
Chronic absenteeism is elevated: 46.4% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
Its district draws 16.6% of revenue from federal sources, an above-typical federal share that tends to track a higher-need student population.
Dilley Isd also operates Dilley El (402 students) and Dilley H S (258 students) alongside Mary Harper Middle.
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 Mary Harper Middle compares
Mary Harper Middle on the metrics families compare, against Texas and U.S. means.
| Metric | This school | vs Texas | Texas avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 10.1:1 | ▼ 31% | 14.7:1 | 15.7:1 |
| Free-lunch eligible | 79.2% | ▲ 28% | 61.9% | 51.7% |
| Enrollment | 181 | top 86% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
10.1:1
Leaner classes than 88% of US schools, among the more generously staffed nationally.
181
Bigger than 18% of US schools by enrollment, a small campus.
Equity indicators (what these measure)
Economic need
79.2%
free-lunch eligible
- 28% 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
10.1:1
students per teacher
- 31% below state mean
Top 11% in Texas - lower ratio than 89% of state schools
Well under the widely cited 15:1 individualized-attention benchmark, among the leaner class loads nationally.
Engagement
46.4%
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
$14,644
per pupil, district-wide
- above Texas avg of $13,644
Somewhat below the U.S. average per-pupil spend; funding constraints may affect programs, facilities, and staffing.
Support staff
Counselors1.0 FTE
Per 181 students, the combined health-and-guidance staffing load for this school.
Discipline context
2
in-school suspensions + 0 out-of-school
Suspension rate: 1.1 per 100 students. Combined in-school and out-of-school rate: 1.1 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 92.8%
White 6.6%
Two or More 0.6%
Largest group: Hispanic or Latino at 92.8% of enrollment.
Student-body diversity index 13.4/100
Simpson diversity index - at 13.4, Mary Harper Middle is less mixed than the Texas school average of 44.7.
Programs
Gifted & talented Yes
Funding & spending
District-wide per-pupil expenditure for Dilley Isd, which includes Mary Harper Middle.
$14,644
Per student
+7%
vs Texas
Avg $13,644
-12%
vs U.S.
Avg $16,593
Revenue mix
Local 63.5%
State 19.9%
Federal 16.6%
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 Mary Harper Middle Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Dilley El | Larger | Similar economic need | Higher S:T ratio |
| Dilley H S | Larger | Similar economic need | Similar S:T ratio |
Comparisons are relative to Mary Harper Middle's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 402
- Students per teacher
- 14.9:1
- Resource Index
- 33/100
- Enrollment
- 258
- Students per teacher
- 9.9:1
- Resource Index
- 45/100
Similar middle 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 (~181 students)
Similar student-teacher ratio (~10.1:1)
Next steps
Verify locally before acting on Mary Harper Middle's federal record.
- Compare Mary Harper Middle against another school. Compare schools
- Dilley 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 Mary Harper Middle
How many students attend Mary Harper Middle?
Mary Harper Middle has 181 students enrolled. It is a middle school in Dilley, TX.
What is the student-teacher ratio at Mary Harper Middle?
The student-teacher ratio at Mary Harper Middle is 10.1:1, which is 31% lower than the Texas average of 14.7:1 and 36% 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 Mary Harper Middle?
79.2% of students at Mary Harper Middle are eligible for free lunch, compared to the Texas average of 61.9%.
What is the racial and ethnic makeup of Mary Harper Middle?
The largest demographic group at Mary Harper Middle is Hispanic or Latino at 92.8% of enrollment, in Dilley, TX.
What is the Resource Investment Index for Mary Harper Middle?
Mary Harper Middle has a Resource Investment Index of 48/100 (typical 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 Mary Harper Middle rank among public schools in Dilley?
By Resource Investment Index, Mary Harper Middle ranks #1 of 3 public schools in Dilley, TX. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all public schools in Dilley on the city page.
Is Mary Harper Middle a good school?
Mary Harper Middle earns 48/100 on the Resource Investment Index, with class sizes smaller than 89% of Texas schools. It is also less racially and ethnically mixed than most 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 Dilley Isd?
Besides Mary Harper Middle, Dilley Isd also operates Dilley El (402 students) and Dilley H S (258 students). See the Dilley 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.