Enrollment
245
Oklahoma · 2024-25 NCES data
High school (grades 9-12) · Chelsea, OK
Federal NCES profile for Chelsea Hs, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 39/100.
The verdict
Chelsea Hs earns 39/100 on the Resource Investment Index, with class sizes near the Oklahoma median.
Chelsea Hs has class sizes near the Oklahoma median. Computed live against every Oklahoma school reporting to NCES.
By Resource Investment Index, Chelsea Hs ranks #2 of 3 public schools in Chelsea, OK.
Enrollment
245
Oklahoma · 2024-25 NCES data
Teachers (FTE)
16.0
Federal CCD staff survey
Students per teacher
15.3:1
vs 16.1:1 Oklahoma avg
-5% vs state
How Chelsea Hs compares with Oklahoma and U.S. medians
At or below state median
15.3:1 - 0.8 below the Oklahoma state median of 16.1:1, indicating smaller average class loads than typical schools in the state.
Chelsea Hs is a mid-sized high school in Chelsea, Oklahoma, enrolling 245 students.
At 15.3:1, its student-teacher ratio sits close to the Oklahoma median, within a few percentage points of the 16.1:1 state norm, neither notably crowded nor notably small.
With 245 students, its enrollment sits close to the Oklahoma median campus size.
Its Resource Investment Index sits near the middle of the pack among 1,778 scored Oklahoma schools.
Its student body is led by American Indian / Alaska Native (38%) and White (38%) (diversity index 69/100).
No Advanced Placement courses are reported for this campus in the federal data.
Counselor coverage is strong, about 245 students per counselor, inside the American School Counselor Association's recommended 250:1.
Chronic absenteeism is elevated: 29.0% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
Its district draws 23.1% of revenue from federal sources, an above-typical federal share that tends to track a higher-need student population.
The federal civil-rights collection also records 1 expulsion at this campus for 2021-22.
Chelsea also operates Art Goad Es (377 students) and Chelsea Ms (191 students) alongside Chelsea Hs.
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
Chelsea Hs on the metrics families compare, against Oklahoma and U.S. means.
| Metric | This school | vs Oklahoma | Oklahoma avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 15.3:1 | ▼ 5% | 16.1:1 | 15.7:1 |
| Enrollment | 245 | top 58% | - | - |
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: American Indian / Alaska Native at 38.4% of enrollment.
Simpson diversity index - at 68.5, Chelsea Hs is more mixed than the Oklahoma school average of 59.6.
District-wide per-pupil expenditure for Chelsea, which includes Chelsea Hs.
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 |
|---|---|---|---|
| Art Goad Es | Larger | No free-lunch data | Similar S:T ratio |
| Chelsea Ms | Similar size | No free-lunch data | Lower S:T ratio |
Comparisons are relative to Chelsea Hs's own figures; each column derives from NCES Common Core of Data.
Matched by enrollment size and by staffing ratio across all of Oklahoma, not just this city - a different peer set than the local comparisons above.
Next steps
Verify locally before acting on Chelsea Hs'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.
Chelsea Hs has 245 students enrolled. It is a high school in Chelsea, OK.
The student-teacher ratio at Chelsea Hs is 15.3:1, which is 5% lower than the Oklahoma average of 16.1:1 and 3% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
The largest demographic group at Chelsea Hs is American Indian / Alaska Native at 38.4% of enrollment, in Chelsea, OK. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 68.5/100.
Chelsea Hs has a Resource Investment Index of 39/100 (typical 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).
By Resource Investment Index, Chelsea Hs ranks #2 of 3 public schools in Chelsea, OK. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all public schools in Chelsea on the city page.
Chelsea Hs earns 39/100 on the Resource Investment Index, with class sizes near the Oklahoma 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 Chelsea Hs, Chelsea also operates Art Goad Es (377 students) and Chelsea Ms (191 students). See the Chelsea 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, “Chelsea Hs, Chelsea OK.” 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/chelsea-hs-ok
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