Enrollment
3,569
Oklahoma · 2024-25 NCES data
High school (grades 9-12) · Tulsa, OK
Federal NCES profile for Union Hs, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 59/100.
The verdict
Union Hs earns 59/100 on the Resource Investment Index, with class sizes larger than 95% of Oklahoma schools. It is also one of the largest schools in Oklahoma.
Union Hs has class sizes larger than 95% of Oklahoma schools. Computed live against every Oklahoma school reporting to NCES.
By Resource Investment Index, Union Hs ranks #3 of 17 high schools in Tulsa, OK.
Enrollment
3,569
Oklahoma · 2024-25 NCES data
Teachers (FTE)
159.0
Federal CCD staff survey
Students per teacher
22.4:1
vs 16.1:1 Oklahoma avg
+39% vs state
How Union Hs compares with Oklahoma and U.S. medians
Larger classes than state median
22.4:1 - 6.3 above the Oklahoma state median of 16.1:1, indicating larger average class loads than typical schools in the state.
Union Hs is a large high school in Tulsa, Oklahoma, enrolling 3,569 students.
Class loads run heavy: 22.4:1 is larger than about 95% of Oklahoma schools and 39% above the 16.1:1 state mean, so each teacher carries more students than is typical.
By headcount it is one of the larger campuses in Oklahoma, bigger than 99% of state schools at 3,569 students.
Its Resource Investment Index sits near the middle of the pack among 1,778 scored Oklahoma schools.
Its student body is led by Hispanic or Latino (44%) and White (22%) (diversity index 73/100).
On the academic-pipeline side it reports 20 Advanced Placement courses.
Counselor coverage is strong, about 232 students per counselor, inside the American School Counselor Association's recommended 250:1.
Among Tulsa's high schools, it stands alongside Booker T. Washington Hs (1,302 students): Union Hs is larger than that campus by headcount and runs heavier classes (22.4:1 vs 22.1:1).
Union also operates Union 6th-7th Grade Ctr (2,123 students) and Union Hs Freshman Academy (1,242 students) alongside Union 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
Union 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 | 22.4:1 | ▲ 39% | 16.1:1 | 15.7:1 |
| Enrollment | 3,569 | 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 43.5% of enrollment.
Simpson diversity index - at 72.6, Union Hs is more mixed than the Oklahoma school average of 59.6.
District-wide per-pupil expenditure for Union, which includes Union 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 |
|---|---|---|---|
| Union 6th-7th Grade Ctr | Smaller | No free-lunch data | Lower S:T ratio |
| Union Hs Freshman Academy | Smaller | No free-lunch data | Lower S:T ratio |
| Union 8th Grade Ctr | Smaller | No free-lunch data | Lower S:T ratio |
| Ellen Ochoa Es | Smaller | No free-lunch data | Lower S:T ratio |
| Rosa Parks Es | Smaller | No free-lunch data | Lower S:T ratio |
Comparisons are relative to Union Hs'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 Oklahoma, not just this city - a different peer set than the local comparisons above.
Next steps
Verify locally before acting on Union 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.
Union Hs has 3,569 students enrolled. It is a high school in Tulsa, OK.
The student-teacher ratio at Union Hs is 22.4:1, which is 39% higher than the Oklahoma average of 16.1:1 and 43% higher than the national average of 15.7:1.
The largest demographic group at Union Hs is Hispanic or Latino at 43.5% of enrollment, in Tulsa, OK. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 72.6/100.
Union Hs has a Resource Investment Index of 59/100 (higher 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, Union Hs ranks #3 of 17 high schools in Tulsa, OK. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all high schools in Tulsa on the city page.
Union Hs earns 59/100 on the Resource Investment Index, with class sizes larger than 95% of Oklahoma schools. It is also one of the largest schools in Oklahoma. 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 Union Hs, Union also operates Union 6th-7th Grade Ctr (2,123 students), Union Hs Freshman Academy (1,242 students), and Union 8th Grade Ctr (1,100 students). See the Union 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, “Union Hs, Tulsa 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/union-hs-ok
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