Enrollment
343
Tennessee · 2024-25 NCES data
High school (grades 9-12) · Cosby, TN
Cosby High School
Federal NCES profile for Cosby High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 41/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 470075001392
👥 S:T ratio 51
📚 AP courses 20
🌟 Gifted program 70
🎓 Counselors 66
📋 Attendance 0
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Cosby High School earns 41/100 on the Resource Investment Index, with class sizes smaller than 81% of Tennessee schools.
- #2 of 4
- public schools in Cosby · Resource Index
- 41
- Resource Index · Typical
- 12.3:1
- small classes for Tennessee
- 343
- students enrolled
Cosby High School has class sizes smaller than 81% of Tennessee schools. Computed live against every Tennessee school reporting to NCES.
By Resource Investment Index, Cosby High School ranks #2 of 4 public schools in Cosby, TN.
School address
Teachers (FTE)
28.0
Federal CCD staff survey
Students per teacher
12.3:1
vs 15.3:1 Tennessee avg
-20% vs state
Student-teacher ratio in context
How Cosby High School compares with Tennessee and U.S. medians
What stands out at Cosby High School
Cosby High School is a mid-sized high school in Cosby, Tennessee, enrolling 343 students.
Class sizes run a bit leaner than typical: 12.3:1 puts it in the smaller third of Tennessee schools by student-teacher ratio.
Enrollment of 343 puts it in the smaller third of Tennessee schools by headcount.
Its Resource Investment Index lands in the upper third of 1,838 scored Tennessee schools.
Its student body is predominantly White (90% of enrollment) (diversity index 18/100).
On the academic-pipeline side it reports 4 Advanced Placement courses.
Counselor coverage is strong, about 172 students per counselor, inside the American School Counselor Association's recommended 250:1.
Chronic absenteeism is elevated: 39.9% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
Its district draws 23.4% 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.
Cocke County also operates Cocke Co High School (1,074 students) and Edgemont Elementary (541 students) alongside Cosby 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
How Cosby High School compares
Cosby High School on the metrics families compare, against Tennessee and U.S. means.
| Metric | This school | vs Tennessee | Tennessee avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 12.3:1 | ▼ 20% | 15.3:1 | 15.7:1 |
| Enrollment | 343 | top 70% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
12.3:1
Leaner classes than 73% of US schools, among the more generously staffed nationally.
343
Bigger than 39% of US schools by enrollment, mid-sized for the country.
Equity indicators (what these measure)
Staffing depth
12.3:1
students per teacher
- 20% below state mean
Top 19% in Tennessee - lower ratio than 81% of state schools
Well under the widely cited 15:1 individualized-attention benchmark, among the leaner class loads nationally.
Engagement
39.9%
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
$10,484
per pupil, district-wide
- below Tennessee avg of $10,822
Well below the U.S. average per-pupil spend, a notably leaner funding position that may affect programs, facilities, and staffing.
Support staff
Counselors2.0 FTE
Per 172 students, the combined health-and-guidance staffing load for this school.
Discipline context
6
in-school suspensions + 6 out-of-school
Suspension rate: 1.7 per 100 students. Combined in-school and out-of-school rate: 3.5 per 100 students. Reported via the Civil Rights Data Collection. Includes 1 expulsion.
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 90.1%
Hispanic or Latino 4.7%
Two or More 3.8%
African American 0.9%
American Indian / Alaska Native 0.3%
Native Hawaiian / Pacific Islander 0.3%
Largest group: White at 90.1% of enrollment.
Student-body diversity index 18.4/100
Simpson diversity index - at 18.4, Cosby High School is less mixed than the Tennessee school average of 38.3.
Programs
AP courses offered 4
Gifted & talented Yes
Funding & spending
District-wide per-pupil expenditure for Cocke County, which includes Cosby High School.
$10,484
Per student
-3%
vs Tennessee
Avg $10,822
-37%
vs U.S.
Avg $16,593
Revenue mix
Local 25.1%
State 51.6%
Federal 23.4%
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 Cosby High School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Cocke Co High School | Larger | No free-lunch data | Higher S:T ratio |
| Edgemont Elementary | Larger | No free-lunch data | Higher S:T ratio |
| Parrottsville Elementary | Larger | No free-lunch data | Higher S:T ratio |
| Cosby Elementary | Larger | No free-lunch data | Higher S:T ratio |
| Northwest Elementary | Similar size | No free-lunch data | Higher S:T ratio |
Comparisons are relative to Cosby High School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 1,074
- Students per teacher
- 15.1:1
- Resource Index
- 39/100
- Enrollment
- 541
- Students per teacher
- 15.9:1
- Resource Index
- 30/100
- Enrollment
- 512
- Students per teacher
- 17.1:1
- Resource Index
- 35/100
- Enrollment
- 429
- Students per teacher
- 17.9:1
- Resource Index
- 24/100
- Enrollment
- 422
- Students per teacher
- 16.9:1
- Resource Index
- 30/100
Similar high schools statewide
Matched by enrollment size and by staffing ratio across all of Tennessee, not just this city - a different peer set than the local comparisons above.
Similar enrollment (~343 students)
Similar student-teacher ratio (~12.3:1)
Next steps
Verify locally before acting on Cosby High School's federal record.
- Compare Cosby High School against another school. Compare schools
- Cocke County'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 Cosby High School
How many students attend Cosby High School?
Cosby High School has 343 students enrolled. It is a high school in Cosby, TN.
What is the student-teacher ratio at Cosby High School?
The student-teacher ratio at Cosby High School is 12.3:1, which is 20% lower than the Tennessee average of 15.3:1 and 22% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
What is the racial and ethnic makeup of Cosby High School?
The largest demographic group at Cosby High School is White at 90.1% of enrollment, in Cosby, TN.
What is the Resource Investment Index for Cosby High School?
Cosby High School has a Resource Investment Index of 41/100 (typical 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 Cosby High School rank among public schools in Cosby?
By Resource Investment Index, Cosby High School ranks #2 of 4 public schools in Cosby, TN. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all public schools in Cosby on the city page.
Is Cosby High School a good school?
Cosby High School earns 41/100 on the Resource Investment Index, with class sizes smaller than 81% of Tennessee 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 Cocke County?
Besides Cosby High School, Cocke County also operates Cocke Co High School (1,074 students), Edgemont Elementary (541 students), and Parrottsville Elementary (512 students). See the Cocke County 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.