Enrollment
86
Kansas · 2024-25 NCES data
High school (grades 9-12) · Onaga, KS
Federal NCES profile for Onaga Senior High, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 50/100.
The verdict
Onaga Senior High earns 50/100 on the Resource Investment Index, with class sizes near the Kansas median.
Onaga Senior High has class sizes near the Kansas median. Computed live against every Kansas school reporting to NCES.
NCES ID 201017000595 Verify on NCES CCD record →
Enrollment
86
Kansas · 2024-25 NCES data
Teachers (FTE)
7.0
Federal CCD staff survey
Students per teacher
12.3:1
vs 13.8:1 Kansas avg
-11% vs state
Free-lunch eligible
29.8%
vs 42.7% Kansas avg
-30% vs state
How Onaga Senior High compares with Kansas and U.S. medians
At or below state median
12.3:1 - 1.5 below the Kansas state median of 13.8:1, indicating smaller average class loads than typical schools in the state.
Onaga Senior High is a small high school in Onaga, Kansas, enrolling 86 students.
Class sizes run a bit leaner than typical: 12.3:1 puts it in the smaller third of Kansas schools by student-teacher ratio.
Economic need runs somewhat below the state's typical profile, with 29.8% of students eligible for free meals.
Enrollment of 86 puts it in the smaller third of Kansas schools by headcount.
Its Resource Investment Index lands in the upper third of 1,346 scored Kansas schools.
Against 95 statewide peers matched on enrollment and economic need, it ranks in the upper tier at #18.
Its student body is predominantly White (91% of enrollment) (diversity index 17/100).
No Advanced Placement courses are reported for this campus in the federal data.
Counselor coverage is strong, about 86 students per counselor, inside the American School Counselor Association's recommended 250:1.
Chronic absenteeism is elevated: 25.6% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
Its district, Onaga-Havensville-Wheaton, also runs Onaga Elem (164 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
Onaga Senior High on the metrics families compare, against Kansas and U.S. means.
| Metric | This school | vs Kansas | Kansas avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 12.3:1 | ▼ 11% | 13.8:1 | 15.7:1 |
| Free-lunch eligible | 29.8% | ▼ 30% | 42.7% | 51.7% |
| Enrollment | 86 | top 86% | - | - |
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 90.7% of enrollment.
Simpson diversity index - at 17.4, Onaga Senior High is less mixed than the Kansas school average of 39.4.
District-wide per-pupil expenditure for Onaga-Havensville-Wheaton, which includes Onaga Senior High.
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 |
|---|---|---|---|
| Onaga Elem | Larger | Similar economic need | Lower S:T ratio |
Comparisons are relative to Onaga Senior High's own figures; each column derives from NCES Common Core of Data.
Matched by enrollment size and by staffing ratio across all of Kansas, not just this city - a different peer set than the local comparisons above.
Next steps
Verify locally before acting on Onaga Senior High'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.
Onaga Senior High has 86 students enrolled. It is a high school in Onaga, KS.
The student-teacher ratio at Onaga Senior High is 12.3:1, which is 11% lower than the Kansas average of 13.8:1 and 22% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
29.8% of students at Onaga Senior High are eligible for free lunch, compared to the Kansas average of 42.7%.
The largest demographic group at Onaga Senior High is White at 90.7% of enrollment, in Onaga, KS.
Onaga Senior High has a Resource Investment Index of 50/100 (higher reported resources relative to schools nationally) based on 5 factors: student-teacher ratio, counselor availability, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
Onaga Senior High earns 50/100 on the Resource Investment Index, with class sizes near the Kansas median. 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 Onaga Senior High, Onaga-Havensville-Wheaton also operates Onaga Elem (164 students). See the Onaga-Havensville-Wheaton 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, “Onaga Senior High, Onaga KS.” 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/onaga-senior-high-ks
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