Enrollment
2,360
Indiana · 2024-25 NCES data
High school (grades 9-12) · Indianapolis, IN
Federal NCES profile for Arsenal Technical High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 48/100.
The verdict
Arsenal Technical High School earns 48/100 on the Resource Investment Index, with class sizes larger than 75% of Indiana schools. It is also one of the largest schools in Indiana.
Arsenal Technical High School has class sizes larger than 75% of Indiana schools. Computed live against every Indiana school reporting to NCES.
By Resource Investment Index, Arsenal Technical High School ranks #19 of 32 high schools in Indianapolis, IN.
NCES ID 180477000801 Verify on NCES CCD record →
Enrollment
2,360
Indiana · 2024-25 NCES data
Teachers (FTE)
136.0
Federal CCD staff survey
Students per teacher
17.4:1
vs 15.9:1 Indiana avg
+9% vs state
Free-lunch eligible
73.5%
vs 49.5% Indiana avg
+48% vs state
How Arsenal Technical High School compares with Indiana and U.S. medians
Slightly above state median
17.4:1 - 1.5 above the Indiana state median of 15.9:1, indicating larger average class loads than typical schools in the state.
Arsenal Technical High School is a higher-need, large high school in Indianapolis, Indiana, enrolling 2,360 students.
Class loads run somewhat heavier than typical: 17.4:1 puts it in the larger third of Indiana schools by student-teacher ratio.
Economic need is high: 73.5% of students qualify for free meals, 48% above the Indiana average, a Title I-weighted population that federal funding formulas prioritise.
By headcount it is one of the larger campuses in Indiana, bigger than 99% of state schools at 2,360 students.
Its Resource Investment Index lands in the lower third of 1,862 scored Indiana schools.
Its student body is led by Hispanic or Latino (58%) and African American (33%) (diversity index 55/100).
On the academic-pipeline side it reports 37 Advanced Placement courses.
Counselor availability sits well past the ASCA benchmark, roughly 337 students sharing each counselor, though short of the most stretched campuses.
The surrounding Indianapolis Public Schools spends $19,511 per pupil, 62% above the Indiana average, a better-resourced district than most.
The federal civil-rights collection also records 5 expulsions at this campus for 2021-22.
Among Indianapolis's high schools, it stands alongside North Central High School (3,682 students): Arsenal Technical High School is smaller than that campus by headcount and runs heavier classes (17.4:1 vs 16.3:1).
Indianapolis Public Schools also operates Crispus Attucks High School (1,269 students) and Shortridge High School (1,206 students) alongside Arsenal Technical High School.
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
Arsenal Technical High School on the metrics families compare, against Indiana and U.S. means.
| Metric | This school | vs Indiana | Indiana avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 17.4:1 | ▲ 9% | 15.9:1 | 15.7:1 |
| Free-lunch eligible | 73.5% | ▲ 48% | 49.5% | 51.7% |
| Enrollment | 2,360 | top 1% | - | - |
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: Hispanic or Latino at 57.6% of enrollment.
Simpson diversity index - at 55.4, Arsenal Technical High School is more mixed than the Indiana school average of 39.0.
District-wide per-pupil expenditure for Indianapolis Public Schools, which includes Arsenal Technical High School.
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.
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Crispus Attucks High School | Smaller | Similar economic need | Higher S:T ratio |
| Shortridge High School | Smaller | Similar economic need | Similar S:T ratio |
| George Washington High School | Smaller | Similar economic need | Lower S:T ratio |
| Northwest Community Middle School | Smaller | Similar economic need | Higher S:T ratio |
| Edison School of the Arts 47 | Smaller | Similar economic need | No ratio data |
Comparisons are relative to Arsenal Technical High School's own figures; each column derives from NCES Common Core of Data.
6 comparable high schools (grades 9-12) serving the same city.
Matched by enrollment size and by staffing ratio across all of Indiana, not just this city - a different peer set than the local comparisons above.
Next steps
Verify locally before acting on Arsenal Technical High School'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.
Arsenal Technical High School has 2,360 students enrolled. It is a high school in Indianapolis, IN.
The student-teacher ratio at Arsenal Technical High School is 17.4:1, which is 9% higher than the Indiana average of 15.9:1 and 11% higher than the national average of 15.7:1.
73.5% of students at Arsenal Technical High School are eligible for free lunch, compared to the Indiana average of 49.5%.
The largest demographic group at Arsenal Technical High School is Hispanic or Latino at 57.6% of enrollment, in Indianapolis, IN. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 55.4/100.
Arsenal Technical High School has a Resource Investment Index of 48/100 (typical reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, AP course offerings, counselor availability. Not a test-score or academic measure (national median ~41/100, see methodology).
By Resource Investment Index, Arsenal Technical High School ranks #19 of 32 high schools in Indianapolis, IN. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all high schools in Indianapolis on the city page.
Arsenal Technical High School earns 48/100 on the Resource Investment Index, with class sizes larger than 75% of Indiana schools. It is also one of the largest schools in Indiana. 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 Arsenal Technical High School, Indianapolis Public Schools also operates Crispus Attucks High School (1,269 students), Shortridge High School (1,206 students), and George Washington High School (729 students). See the Indianapolis Public Schools 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, “Arsenal Technical High School, Indianapolis IN.” 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/arsenal-technical-high-school-in
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