Enrollment
1,235
Alabama · 2024-25 NCES data
High school (grades 9-12) · Chelsea, AL
Federal NCES profile for Chelsea High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 53/100.
The verdict
Chelsea High School earns 53/100 on the Resource Investment Index, with class sizes smaller than 72% of Alabama schools. It is also one of the largest schools in Alabama.
Chelsea High School has class sizes smaller than 72% of Alabama schools. Computed live against every Alabama school reporting to NCES.
By Resource Investment Index, Chelsea High School ranks #3 of 4 public schools in Chelsea, AL.
NCES ID 010303001171 Verify on NCES CCD record →
Enrollment
1,235
Alabama · 2024-25 NCES data
Teachers (FTE)
77.0
Federal CCD staff survey
Students per teacher
16:1
vs 17.7:1 Alabama avg
-10% vs state
Free-lunch eligible
20.4%
vs 58.8% Alabama avg
-65% vs state
How Chelsea High School compares with Alabama and U.S. medians
At or below state median
16:1 - 1.7 below the Alabama state median of 17.7:1, indicating smaller average class loads than typical schools in the state.
Chelsea High School is a large high school in Chelsea, Alabama, enrolling 1,235 students.
Class sizes run a bit leaner than typical: 16:1 puts it in the smaller third of Alabama schools by student-teacher ratio.
Comparatively few students face economic hardship here, 20.4% free-meal eligibility runs 65% below the Alabama average.
By headcount it is one of the larger campuses in Alabama, bigger than 96% of state schools at 1,235 students.
Its Resource Investment Index lands in the upper third of 1,365 scored Alabama schools.
Against 56 statewide peers matched on enrollment and economic need, it ranks in the upper tier at #13.
Its student body is led by White (78%) and African American (11%) (diversity index 37/100).
On the academic-pipeline side it reports 17 Advanced Placement courses.
Counselor access is stretched at roughly 412 students per counselor, well above the ASCA-recommended 250:1 ceiling.
17.1% 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 10 expulsions at this campus for 2021-22.
Shelby County also operates Oak Mountain High School (1,648 students) and Helena High School (1,383 students) alongside Chelsea 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
Chelsea 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 | 16:1 | ▼ 10% | 17.7:1 | 15.7:1 |
| Free-lunch eligible | 20.4% | ▼ 65% | 58.8% | 51.7% |
| Enrollment | 1,235 | top 4% | - | - |
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 78.4% of enrollment.
Simpson diversity index - at 36.9, Chelsea High School is less mixed than the Alabama school average of 42.5.
District-wide per-pupil expenditure for Shelby County, which includes Chelsea 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 |
|---|---|---|---|
| Oak Mountain High School | Larger | Similar economic need | Higher S:T ratio |
| Helena High School | Similar size | Similar economic need | Higher S:T ratio |
| Oak Mountain Middle School | Similar size | Similar economic need | Higher S:T ratio |
| Calera High | Similar size | Higher economic need | Higher S:T ratio |
| Helena Middle | Similar size | Similar economic need | Higher S:T ratio |
Comparisons are relative to Chelsea High School's own figures; each column derives from NCES Common Core of Data.
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 Chelsea 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.
Chelsea High School has 1,235 students enrolled. It is a high school in Chelsea, AL.
The student-teacher ratio at Chelsea High School is 16:1, which is 10% lower than the Alabama average of 17.7:1 and 2% higher than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
20.4% of students at Chelsea High School are eligible for free lunch, compared to the Alabama average of 58.8%.
The largest demographic group at Chelsea High School is White at 78.4% of enrollment, in Chelsea, AL.
Chelsea High School 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).
By Resource Investment Index, Chelsea High School ranks #3 of 4 public schools in Chelsea, AL. 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 High School earns 53/100 on the Resource Investment Index, with class sizes smaller than 72% 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 Chelsea High School, Shelby County also operates Oak Mountain High School (1,648 students), Helena High School (1,383 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, “Chelsea High School, Chelsea 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/chelsea-high-school-al
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