Enrollment
76
South Dakota · 2024-25 NCES data
High school (grades 9-12) · Arlington, SD
Federal NCES profile for Arlington High School - 01, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 45/100.
The verdict
Arlington High School - 01 earns 45/100 on the Resource Investment Index, with class sizes smaller than 82% of South Dakota schools.
Arlington High School - 01 has class sizes smaller than 82% of South Dakota schools. Computed live against every South Dakota school reporting to NCES.
By Resource Investment Index, Arlington High School - 01 ranks #2 of 5 public schools in Arlington, SD.
NCES ID 460372000022 Verify on NCES CCD record →
Enrollment
76
South Dakota · 2024-25 NCES data
Teachers (FTE)
8.0
Federal CCD staff survey
Students per teacher
9.5:1
vs 13.6:1 South Dakota avg
-30% vs state
Free-lunch eligible
9.1%
vs 28.8% South Dakota avg
-68% vs state
How Arlington High School - 01 compares with South Dakota and U.S. medians
Smaller classes than state median
9.5:1 - 4.1 below the South Dakota state median of 13.6:1, indicating smaller average class loads than typical schools in the state.
Arlington High School - 01 is a lower-poverty, mid-sized high school in Arlington, South Dakota, enrolling 76 students.
Class sizes run a bit leaner than typical: 9.5:1 puts it in the smaller third of South Dakota schools by student-teacher ratio.
Economic need runs somewhat below the state's typical profile, with 9.1% of students eligible for free meals.
With 76 students, its enrollment sits close to the South Dakota median campus size.
Its Resource Investment Index lands in the upper third of 691 scored South Dakota schools.
Against 128 statewide peers matched on enrollment and economic need, it ranks in the upper tier at #43.
Its student body is predominantly White (84% of enrollment) (diversity index 28/100).
On the academic-pipeline side it reports 1 Advanced Placement course.
Counselor coverage is strong, about 224 students per counselor, inside the American School Counselor Association's recommended 250:1.
10.5% of students were chronically absent in the 2021-22 collection, in line with the post-pandemic national range.
Among Arlington's high schools, it stands alongside Spring Lake Colony High School - 05 (13 students): Arlington High School - 01 is larger than that campus by headcount.
Arlington School District 38-1 also operates Arlington Elementary - 02 (152 students) and Arlington Jr. High - 03 (47 students) alongside Arlington High School - 01.
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
Arlington High School - 01 on the metrics families compare, against South Dakota and U.S. means.
| Metric | This school | vs South Dakota | South Dakota avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 9.5:1 | ▼ 30% | 13.6:1 | 15.7:1 |
| Free-lunch eligible | 9.1% | ▼ 68% | 28.8% | 51.7% |
| Enrollment | 76 | top 59% | - | - |
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: White at 84.2% of enrollment.
Simpson diversity index - at 27.6, Arlington High School - 01 is about as mixed as the South Dakota school average of 27.6.
District-wide per-pupil expenditure for Arlington School District 38-1, which includes Arlington High School - 01.
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 |
|---|---|---|---|
| Arlington Elementary - 02 | Larger | Similar economic need | Higher S:T ratio |
| Arlington Jr. High - 03 | Smaller | Similar economic need | Higher S:T ratio |
| Arlington Preschool - 04 | Smaller | Similar economic need | No ratio data |
Comparisons are relative to Arlington High School - 01'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 South Dakota, not just this city - a different peer set than the local comparisons above.
Next steps
Verify locally before acting on Arlington High School - 01'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.
Arlington High School - 01 has 76 students enrolled. It is a high school in Arlington, SD.
The student-teacher ratio at Arlington High School - 01 is 9.5:1, which is 30% lower than the South Dakota average of 13.6:1 and 39% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
9.1% of students at Arlington High School - 01 are eligible for free lunch, compared to the South Dakota average of 28.8%.
The largest demographic group at Arlington High School - 01 is White at 84.2% of enrollment, in Arlington, SD.
Arlington High School - 01 has a Resource Investment Index of 45/100 (typical reported resources relative to schools nationally) based on 5 factors: student-teacher ratio, AP course offerings, counselor availability, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
By Resource Investment Index, Arlington High School - 01 ranks #2 of 5 public schools in Arlington, SD. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all public schools in Arlington on the city page.
Arlington High School - 01 earns 45/100 on the Resource Investment Index, with class sizes smaller than 82% of South Dakota 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.
Besides Arlington High School - 01, Arlington School District 38-1 also operates Arlington Elementary - 02 (152 students), Arlington Jr. High - 03 (47 students), and Arlington Preschool - 04 (17 students). See the Arlington School District 38-1 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, “Arlington High School - 01, Arlington SD.” 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/arlington-high-school-01-sd
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