The brief
A Dilley ISD middle school where students score 10 points below what's typical for similar communities.
It ranks 2,689 of 8,584 schools in Texas and 2 of 3 in Dilley ISD.
Mary Harper Middle is listed in Dilley ISD, and a district label does not verify attendance for an address: confirm the zoned campus with the district before you commit to a street.
- 202535%
- 202429%
- 2023: no results on file
- 202223%
- 2021*12%
- 2020*12%
- 201933%
* A COVID-affected year: test participation was uneven nationwide, so the model weights it at half.
About this school's data1 correction under review · rating: low confidence · 7 sources, 2019–2025
Every number on this page comes from a published source with a stated period. Where a source is partial, aging, an estimate, or describes a surrounding area rather than the school, that limitation is named here.
Attendance data is under correction. This existing Resources & Environment score and overall rating may still reflect an unverified attendance input.
Full Profile · 3/3 metrics
Multi-year averages used by the rating model: math 39% (multi-year average, 2009-2025) · reading/ELA 50% (multi-year average, 2009-2025).
- School directory (enrollment, grades, staff, contact)
- NCES Common Core of Data (CCD) · SY 2023–24 · Medium confidence
- Source period: SY 2023–24. A newer release may be available.
- MySchoolScout rating and rank
- MySchoolScout ranking model · Low confidence
- Vintage not available. Do not use this measure alone.
- Derived as a weighted blend of the component scores shown in Academics from state assessment, EdFacts growth, and NCES resource records.
- Math proficiency
- State department of education · 2025 STAAR · Medium confidence
- Available for part of the eligible units; results may not represent the full area.
- Derived from source records rather than read directly from one field.
- Reading/ELA proficiency
- State department of education · 2025 STAAR · Medium confidence
- Available for part of the eligible units; results may not represent the full area.
- Derived from source records rather than read directly from one field.
- Student progress (growth)
- State assessments · Mixed source periods · Low confidence
- Vintage not available. Do not use this measure alone.
- Available for part of the eligible units; results may not represent the full area.
- Derived as the fitted year-over-year slope of proficiency from multi-year assessment records.
- Neighborhood (income, housing, education)
- U.S. Census ACS 5-year estimates · ACS 2019–2023 5-year estimates · Low confidence
- Older source: ACS 2019–2023 5-year estimates. Use as historical context.
- Reported for the ZCTA for ZIP 78017; this does not measure the attendance area.
- Programs (AP/IB, athletics, gifted)
- CRDC via Urban Institute · SY 2021–22 · Medium confidence
- Available for part of the eligible units; results may not represent the full area.
- Source period: SY 2021–22. A newer release may be available.
Evidence periods: Rating mixed/unknown input periods; assessments multi-year average, 2009-2025; directory SY 2023–24
The neighborhood
Where it sits, and what the area looks like.The area
- Median income
- $51,111
- Median home value
- $99,800
- Median rent
- $925/mo
- College educated
- 14.1%
- Homeownership
- 62%
- Poverty rate
- 20.6%
U.S. Census ACS 5-year estimates · ACS 2019–2023 5-year estimates for the ZCTA associated with school ZIP 78017; this is area context, not an attendance boundary.
Getting around
- Walk Score
- 33
- Car-Dependent
- Bike Score
- 39
- Somewhat Bikeable
- City reported crime
- 248/100K
- Reported Part-1 offenses (violent + property + arson) per 100,000 residents, from the FBI Uniform Crime Reporting program for Dilley. This is a city-level reported-crime measure, not a school safety rating.
Walk, transit and bike scores by
FBI Uniform Crime Reporting · 2025 · city context (Dilley), not school-level safety or attendance eligibility. Source details
Source period: 2025. Freshness not available.
Programs and who goes here
What the campus offers, and who it enrolls.Programs
- Gifted and talented
- Available
- A program for qualifying students · CRDC via Urban Institute · SY 2021–22
Who goes here
- Free or reduced lunch
- 73.7%
- Students qualifying for federal meal assistance. Shown separately, never in the score.
NCES Common Core of Data (CCD).
The record
What is on file, and where each number came from.Questions families ask
What grades does Mary Harper Middle serve?
Mary Harper Middle serves students in grades 6th through 8th.
How many students attend Mary Harper Middle?
Mary Harper Middle has an enrollment of approximately 167 students.
What is the student-teacher ratio at Mary Harper Middle?
The student-teacher ratio at Mary Harper Middle is 9.3:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.
How does Mary Harper Middle rank in TX?
Mary Harper Middle ranks #2,689 of 8,584 schools in TX.
What is Mary Harper Middle's MySchoolScout rating?
Mary Harper Middle has a current MySchoolScout rating of 7.2 out of 10. This score combines the level-appropriate components shown in the rating breakdown; equity data is shown separately for context.
What are the test scores at Mary Harper Middle?
Based on loaded state assessment records, Mary Harper Middle has 39% math proficiency (multi-year average, 2009-2025) and 50% reading/ELA proficiency (multi-year average, 2009-2025).
Is Mary Harper Middle a charter school?
No, Mary Harper Middle is not a charter school. It is a traditional public school operated by the local school district.
Is Mary Harper Middle a Title I school?
No, Mary Harper Middle is not currently a Title I school.
What does the Free & Reduced Lunch percentage mean for Mary Harper Middle?
73.7% of students at Mary Harper Middle qualify for free or reduced-price lunch. This is a commonly used indicator of economic need and provides important context when interpreting test scores.
School facts
- Grades
- 6th – 8th
- Enrollment
- 167
- Student-teacher ratio
- 9.3:1
- Teachers (FTE)
- 18
- Type
- Regular
- Title I
- No
- Setting
- Remote Rural
- County
- Frio County
- Phone
- (830) 965-2195
- Rank in district
- #2 of 3
- Schools in district
- 3
- District spending per student
- $15,836
- NCES F-33 · FY 2023 · This annual source is three years behind the current year.
- District child poverty rate
- 32.1%
- Census SAIPE · 2024
- Area population (ZIP 78017)
- 6,160
- Area median age
- 29.3
NCES Common Core of Data (CCD) (SY 2023–24).
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Data from NCES Common Core of Data, Texas Education Agency, and U.S. Census ACS for the 2023–24 school year. Rankings computed by MySchoolScout. See all data sources.