Enrollment
1,648
Alabama · 2024-25 NCES data
High school (grades 9-12) · Birmingham, AL
Federal NCES profile for Oak Mountain High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 54/100.
The verdict
Oak Mountain High School earns 54/100 on the Resource Investment Index, with class sizes larger than 77% of Alabama schools. It is also one of the largest schools in Alabama.
Oak Mountain High School has class sizes larger than 77% of Alabama schools. Computed live against every Alabama school reporting to NCES.
By Resource Investment Index, Oak Mountain High School ranks #3 of 6 high schools in Birmingham, AL.
NCES ID 010303001189 Verify on NCES CCD record →
Enrollment
1,648
Alabama · 2024-25 NCES data
Teachers (FTE)
85.0
Federal CCD staff survey
Students per teacher
19.4:1
vs 17.7:1 Alabama avg
+10% vs state
Free-lunch eligible
19.4%
vs 58.8% Alabama avg
-67% vs state
How Oak Mountain High School compares with Alabama and U.S. medians
Slightly above state median
19.4:1 - 1.7 above the Alabama state median of 17.7:1, indicating larger average class loads than typical schools in the state.
Oak Mountain High School is a lower-poverty, large high school in Birmingham, Alabama, enrolling 1,648 students.
Class loads run somewhat heavier than typical: 19.4:1 puts it in the larger third of Alabama schools by student-teacher ratio.
Comparatively few students face economic hardship here, 19.4% free-meal eligibility runs 67% below the Alabama average.
By headcount it is one of the larger campuses in Alabama, bigger than 99% of state schools at 1,648 students.
Its Resource Investment Index sits near the middle of the pack among 1,365 scored Alabama schools.
Against 32 statewide peers matched on enrollment and economic need, it ranks mid-pack at #16.
Its student body is led by White (73%) and African American (10%) (diversity index 45/100).
On the academic-pipeline side it reports 21 Advanced Placement courses.
Counselor access is stretched at roughly 412 students per counselor, well above the ASCA-recommended 250:1 ceiling.
16.6% of students were chronically absent in the 2021-22 collection, in line with the post-pandemic national range.
The federal civil-rights collection also records 15 expulsions at this campus for 2021-22.
Among Birmingham's high schools, it stands alongside Parker High School (942 students): Oak Mountain High School is larger than that campus by headcount and runs leaner classes (19.4:1 vs 26.2:1).
Shelby County also operates Helena High School (1,383 students) and Chelsea High School (1,235 students) alongside Oak Mountain High School.
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
Oak Mountain High School on the metrics families compare, against Alabama and U.S. means.
| Metric | This school | vs Alabama | Alabama avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 19.4:1 | ▲ 10% | 17.7:1 | 15.7:1 |
| Free-lunch eligible | 19.4% | ▼ 67% | 58.8% | 51.7% |
| Enrollment | 1,648 | 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: White at 72.6% of enrollment.
Simpson diversity index - at 44.9, Oak Mountain High School is more mixed than the Alabama school average of 42.5.
District-wide per-pupil expenditure for Shelby County, which includes Oak Mountain High School.
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 |
|---|---|---|---|
| Helena High School | Similar size | Similar economic need | Similar S:T ratio |
| Chelsea High School | Smaller | Similar economic need | Lower S:T ratio |
| Oak Mountain Middle School | Smaller | Similar economic need | Higher S:T ratio |
| Calera High | Smaller | Higher economic need | Similar S:T ratio |
| Helena Middle | Smaller | Similar economic need | Lower S:T ratio |
Comparisons are relative to Oak Mountain High School's own figures; each column derives from NCES Common Core of Data.
5 comparable high schools (grades 9-12) serving the same city.
Matched by enrollment size and by staffing ratio across all of Alabama, not just this city - a different peer set than the local comparisons above.
Next steps
Verify locally before acting on Oak Mountain High School'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.
Oak Mountain High School has 1,648 students enrolled. It is a high school in Birmingham, AL.
The student-teacher ratio at Oak Mountain High School is 19.4:1, which is 10% higher than the Alabama average of 17.7:1 and 24% higher than the national average of 15.7:1.
19.4% of students at Oak Mountain High School are eligible for free lunch, compared to the Alabama average of 58.8%.
The largest demographic group at Oak Mountain High School is White at 72.6% of enrollment, in Birmingham, AL.
Oak Mountain High School has a Resource Investment Index of 54/100 (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).
By Resource Investment Index, Oak Mountain High School ranks #3 of 6 high schools in Birmingham, AL. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all high schools in Birmingham on the city page.
Oak Mountain High School earns 54/100 on the Resource Investment Index, with class sizes larger than 77% of Alabama schools. It is also one of the largest schools in Alabama. 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 Oak Mountain High School, Shelby County also operates Helena High School (1,383 students), Chelsea High School (1,235 students), and Oak Mountain Middle School (1,168 students). See the Shelby County 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, “Oak Mountain High School, Birmingham AL.” 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/oak-mountain-high-school-al
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