Enrollment
80
Pennsylvania · 2024-25 NCES data
High school (grades 9-12) · Aston, PA
Federal NCES profile for Delaware County Technical High School-As, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 41/100.
The verdict
Delaware County Technical High School-As earns 41/100 on the Resource Investment Index, with class sizes smaller than 99% of Pennsylvania schools. It is also one of the smallest schools in Pennsylvania.
Delaware County Technical High School-As has class sizes smaller than 99% of Pennsylvania schools. Computed live against every Pennsylvania school reporting to NCES.
By Resource Investment Index, Delaware County Technical High School-As ranks #1 of 6 public schools in Aston, PA.
NCES ID 428020007061 Verify on NCES CCD record →
Enrollment
80
Pennsylvania · 2024-25 NCES data
Teachers (FTE)
18.0
Federal CCD staff survey
Students per teacher
4.4:1
vs 13.6:1 Pennsylvania avg
-68% vs state
Free-lunch eligible
51.3%
vs 58.1% Pennsylvania avg
-12% vs state
How Delaware County Technical High School-As compares with Pennsylvania and U.S. medians
Smaller classes than state median
4.4:1 - 9.2 below the Pennsylvania state median of 13.6:1, indicating smaller average class loads than typical schools in the state.
Delaware County Technical High School-As is a higher-need, small high school in Aston, Pennsylvania, enrolling 80 students.
Classes run notably small here: at 4.4:1, Delaware County Technical High School-As is leaner than roughly 99% of Pennsylvania schools and 68% under the state's 13.6:1 norm, more adult attention per pupil than most peers.
Its free-meal eligibility rate of 51.3% lands close to the Pennsylvania typical range, neither a high- nor low-need campus by this measure.
This is a small campus: fewer students than 97% of Pennsylvania schools, with 80 enrolled.
Its Resource Investment Index outscores 100% of the 2,889 Pennsylvania schools with a score on record, a top-tier result on this measure.
Among 18 similarly sized, similarly resourced-need Pennsylvania schools statewide, it ranks #1, a top-tier result once campus size and economic need are matched.
Its student body is led by African American (49%) and White (34%), more mixed than most schools in the state (diversity index 64/100).
Among Aston's high schools, it stands alongside Sun Valley Hs (1,042 students): Delaware County Technical High School-As is smaller than that campus by headcount and runs leaner classes (4.4:1 vs 13.9:1).
Its district, Delaware County Technical High School, also runs Delaware County Technical High School-Fo (66 students).
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
Delaware County Technical High School-As on the metrics families compare, against Pennsylvania and U.S. means.
| Metric | This school | vs Pennsylvania | Pennsylvania avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 4.4:1 | ▼ 68% | 13.6:1 | 15.7:1 |
| Free-lunch eligible | 51.3% | ▼ 12% | 58.1% | 51.7% |
| Enrollment | 80 | top 97% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
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.
Largest group: African American at 48.8% of enrollment.
Simpson diversity index - at 63.7, Delaware County Technical High School-As is more mixed than the Pennsylvania school average of 37.3.
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Delaware County Technical High School-Fo | Similar size | Higher economic need | Similar S:T ratio |
Comparisons are relative to Delaware County Technical High School-As's own figures; each column derives from NCES Common Core of Data.
1 comparable high schools (grades 9-12) serving the same city.
Matched by enrollment size and by staffing ratio across all of Pennsylvania, not just this city - a different peer set than the local comparisons above.
Next steps
Verify locally before acting on Delaware County Technical High School-As's federal record.
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.
Delaware County Technical High School-As has 80 students enrolled. It is a high school in Aston, PA.
The student-teacher ratio at Delaware County Technical High School-As is 4.4:1, which is 68% lower than the Pennsylvania average of 13.6:1 and 72% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
51.3% of students at Delaware County Technical High School-As are eligible for free lunch, compared to the Pennsylvania average of 58.1%.
The largest demographic group at Delaware County Technical High School-As is African American at 48.8% of enrollment, in Aston, PA. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 63.7/100.
Delaware County Technical High School-As has a Resource Investment Index of 41/100 (typical reported resources relative to schools nationally) based on 3 factors: student-teacher ratio. Not a test-score or academic measure (national median ~41/100, see methodology).
By Resource Investment Index, Delaware County Technical High School-As ranks #1 of 6 public schools in Aston, PA. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all public schools in Aston on the city page.
Delaware County Technical High School-As earns 41/100 on the Resource Investment Index, with class sizes smaller than 99% of Pennsylvania schools. It is also one of the smallest schools in Pennsylvania. 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.
Besides Delaware County Technical High School-As, Delaware County Technical High School also operates Delaware County Technical High School-Fo (66 students). See the Delaware County Technical High School district page for the complete list.
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.
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PlainSchools, “Delaware County Technical High School-As, Aston PA.” Compiled from NCES Common Core of Data, Civil Rights Data Collection, and the NCES F-33 finance survey; data as of June 2026. https://plainschools.com/schools/delaware-county-technical-high-school-as-pa
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