Enrollment
810
Oklahoma · 2024-25 NCES data
High school (grades 9-12) · Oklahoma City, OK
Classen Hs of Advanced Studies
Federal NCES profile for Classen Hs of Advanced Studies, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 53/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 402277001885
👥 S:T ratio 30
📚 AP courses 90
🌟 Gifted program 70
🎓 Counselors 46
📋 Attendance 28
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Classen Hs of Advanced Studies earns 53/100 on the Resource Investment Index, with class sizes larger than 73% of Oklahoma schools.
- #12 of 26
- high schools in Oklahoma City · Resource Index
- 53
- Resource Index · Higher
- 17.6:1
- large classes for Oklahoma
- 810
- students enrolled
Classen Hs of Advanced Studies has class sizes larger than 73% of Oklahoma schools. Computed live against every Oklahoma school reporting to NCES.
By Resource Investment Index, Classen Hs of Advanced Studies ranks #12 of 26 high schools in Oklahoma City, OK.
School address
District: Oklahoma City · Oklahoma
NCES ID 402277001885 Verify on NCES CCD record →
Teachers (FTE)
46.0
Federal CCD staff survey
Students per teacher
17.6:1
vs 16.1:1 Oklahoma avg
+9% vs state
Student-teacher ratio in context
How Classen Hs of Advanced Studies compares with Oklahoma and U.S. medians
What stands out at Classen Hs of Advanced Studies
Classen Hs of Advanced Studies is a large high school in Oklahoma City, Oklahoma, enrolling 810 students.
Class loads run somewhat heavier than typical: 17.6:1 puts it in the larger third of Oklahoma schools by student-teacher ratio.
By headcount it is one of the larger campuses in Oklahoma, bigger than 93% of state schools at 810 students.
Its Resource Investment Index lands in the lower third of 1,778 scored Oklahoma schools.
Its student body is led by White (33%) and Hispanic or Latino (24%) (diversity index 78/100).
On the academic-pipeline side it reports 18 Advanced Placement courses.
Counselor coverage runs a bit thin, about 270 students per counselor, somewhat past the ASCA-recommended 250:1 benchmark.
Chronic absenteeism is elevated: 28.8% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
Its district draws 34.2% of revenue from federal sources, an above-typical federal share that tends to track a higher-need student population.
Among Oklahoma City's high schools, it stands alongside Epic Charter School High School (14,517 students): Classen Hs of Advanced Studies is smaller than that campus by headcount and runs leaner classes (17.6:1 vs 33.7:1).
Oklahoma City also operates Northwest Classen Hs (1,914 students) and U. S. Grant Hs (1,680 students) alongside Classen Hs of Advanced Studies.
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
How Classen Hs of Advanced Studies compares
Classen Hs of Advanced Studies on the metrics families compare, against Oklahoma and U.S. means.
| Metric | This school | vs Oklahoma | Oklahoma avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 17.6:1 | ▲ 9% | 16.1:1 | 15.7:1 |
| Enrollment | 810 | top 7% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
17.6:1
Leaner classes than 27% of US schools, heavier class loads than most.
810
Bigger than 86% of US schools by enrollment, a large campus nationally.
Equity indicators (what these measure)
Staffing depth
17.6:1
students per teacher
- 9% above state mean
Top 73% in Oklahoma - lower ratio than 27% of state schools
Between 16:1 and 20:1, squarely in the typical U.S. public-school staffing range.
Engagement
28.8%
chronically absent (missed 10%+ of school days)
At or above 20%, the commonly used threshold for "high" chronic absenteeism, signaling significant barriers to regular attendance.
Funding equity
$13,529
per pupil, district-wide
- above Oklahoma avg of $12,594
Somewhat below the U.S. average per-pupil spend; funding constraints may affect programs, facilities, and staffing.
Support staff
Counselors3.0 FTE
Per 270 students, the combined health-and-guidance staffing load for this school.
Discipline context
0
in-school suspensions + 14 out-of-school
Suspension rate: 0.0 per 100 students. Combined in-school and out-of-school rate: 1.7 per 100 students. Reported via the Civil Rights Data Collection.
Overview
- Common Core of Data (June 2026): enrollment, staffing, and the student-teacher ratio above.
- Civil Rights Data Collection: discipline counts and program access (AP, gifted, special education).
- F-33 School District Finance Survey: the district-wide per-pupil spending figures below.
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.
Student demographics
White 32.7%
Hispanic or Latino 24.1%
African American 18.0%
Two or More 12.1%
Asian 11.2%
American Indian / Alaska Native 1.5%
Native Hawaiian / Pacific Islander 0.4%
Largest group: White at 32.7% of enrollment.
Student-body diversity index 77.5/100
Simpson diversity index - at 77.5, Classen Hs of Advanced Studies is more mixed than the Oklahoma school average of 59.6.
Programs
AP courses offered 18
Gifted & talented Yes
Funding & spending
District-wide per-pupil expenditure for Oklahoma City, which includes Classen Hs of Advanced Studies.
$13,529
Per student
+7%
vs Oklahoma
Avg $12,594
-18%
vs U.S.
Avg $16,593
Revenue mix
Local 33.0%
State 32.9%
Federal 34.2%
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.
How Classen Hs of Advanced Studies Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Northwest Classen Hs | Larger | No free-lunch data | Similar S:T ratio |
| U. S. Grant Hs | Larger | No free-lunch data | Similar S:T ratio |
| Capitol Hill Hs | Larger | No free-lunch data | Lower S:T ratio |
| Taft Ms | Larger | No free-lunch data | Lower S:T ratio |
| Classen Ms of Advanced Studies | Similar size | No free-lunch data | Higher S:T ratio |
Comparisons are relative to Classen Hs of Advanced Studies's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 1,914
- Students per teacher
- 17.7:1
- Resource Index
- 52/100
- Enrollment
- 1,680
- Students per teacher
- 17.3:1
- Resource Index
- 51/100
- Enrollment
- 1,494
- Students per teacher
- 15.9:1
- Resource Index
- 44/100
- Enrollment
- 1,096
- Students per teacher
- 14.2:1
- Resource Index
- 35/100
- Enrollment
- 916
- Students per teacher
- 19.9:1
- Resource Index
- 49/100
Similar high schools in Oklahoma City
6 comparable high schools (grades 9-12) serving the same city.
Epic Charter School High School
Standard public school
14,517 students 33.7:1 students per teacher
Westmoore Hs
Standard public school
2,607 students 20.9:1 students per teacher
Putnam City West Hs
Standard public school
2,032 students 19.5:1 students per teacher
Putnam City Hs
Standard public school
1,995 students 17.8:1 students per teacher
Northwest Classen Hs
Standard public school
1,914 students 17.7:1 students per teacher
U. S. Grant Hs
Standard public school
1,680 students 17.3:1 students per teacher
Similar high schools statewide
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.
Similar enrollment (~810 students)
Similar student-teacher ratio (~17.6:1)
Next steps
Verify locally before acting on Classen Hs of Advanced Studies's federal record.
- Compare Classen Hs of Advanced Studies against another school. Compare schools
- Oklahoma City's spending and staffing shape this school. District profile
- Confirm current enrollment and boundaries with the school. Choosing guide
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.
Frequently asked questions about Classen Hs of Advanced Studies
How many students attend Classen Hs of Advanced Studies?
Classen Hs of Advanced Studies has 810 students enrolled. It is a high school in Oklahoma City, OK.
What is the student-teacher ratio at Classen Hs of Advanced Studies?
The student-teacher ratio at Classen Hs of Advanced Studies is 17.6:1, which is 9% higher than the Oklahoma average of 16.1:1 and 12% higher than the national average of 15.7:1.
What is the racial and ethnic makeup of Classen Hs of Advanced Studies?
The largest demographic group at Classen Hs of Advanced Studies is White at 32.7% of enrollment, in Oklahoma City, OK. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 77.5/100.
What is the Resource Investment Index for Classen Hs of Advanced Studies?
Classen Hs of Advanced Studies has a Resource Investment Index of 53/100 (higher 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).
How does Classen Hs of Advanced Studies rank among high schools in Oklahoma City?
By Resource Investment Index, Classen Hs of Advanced Studies ranks #12 of 26 high schools in Oklahoma City, 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 Oklahoma City on the city page.
Is Classen Hs of Advanced Studies a good school?
Classen Hs of Advanced Studies earns 53/100 on the Resource Investment Index, with class sizes larger than 73% of Oklahoma 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.
What other schools are in Oklahoma City?
Besides Classen Hs of Advanced Studies, Oklahoma City also operates Northwest Classen Hs (1,914 students), U. S. Grant Hs (1,680 students), and Capitol Hill Hs (1,494 students). See the Oklahoma City district page for the complete list.
Related tools
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.