Enrollment
429
Tennessee · 2024-25 NCES data
Elementary school (grades K-5) · Cosby, TN
Federal NCES profile for Cosby Elementary, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 24/100.
The verdict
Cosby Elementary earns 24/100 on the Resource Investment Index, with class sizes larger than 85% of Tennessee schools.
Cosby Elementary has class sizes larger than 85% of Tennessee schools. Computed live against every Tennessee school reporting to NCES.
By Resource Investment Index, Cosby Elementary ranks #4 of 4 public schools in Cosby, TN.
Enrollment
429
Tennessee · 2024-25 NCES data
Teachers (FTE)
24.0
Federal CCD staff survey
Students per teacher
17.9:1
vs 15.3:1 Tennessee avg
+17% vs state
How Cosby Elementary compares with Tennessee and U.S. medians
Slightly above state median
17.9:1 - 2.6 above the Tennessee state median of 15.3:1, indicating larger average class loads than typical schools in the state.
Cosby Elementary is a mid-sized elementary school in Cosby, Tennessee, enrolling 429 students.
Class loads run somewhat heavier than typical: 17.9:1 puts it in the larger third of Tennessee schools by student-teacher ratio.
With 429 students, its enrollment sits close to the Tennessee median campus size.
Its Resource Investment Index trails 95% of the 1,838 Tennessee schools with a score on record, one of the lower results on this measure.
Its student body is predominantly White (90% of enrollment) (diversity index 18/100).
Counselor access is stretched at roughly 429 students per counselor, well above the ASCA-recommended 250:1 ceiling.
Chronic absenteeism is elevated: 31.2% 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 Elementary.
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
Cosby Elementary on the metrics families compare, against Tennessee and U.S. means.
| Metric | This school | vs Tennessee | Tennessee avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 17.9:1 | ▲ 17% | 15.3:1 | 15.7:1 |
| Enrollment | 429 | top 55% | - | - |
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 90.2% of enrollment.
Simpson diversity index - at 18.3, Cosby Elementary is less mixed than the Tennessee school average of 38.3.
District-wide per-pupil expenditure for Cocke County, which includes Cosby Elementary.
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 |
|---|---|---|---|
| Cocke Co High School | Larger | No free-lunch data | Lower S:T ratio |
| Edgemont Elementary | Larger | No free-lunch data | Lower S:T ratio |
| Parrottsville Elementary | Similar size | No free-lunch data | Similar S:T ratio |
| Northwest Elementary | Similar size | No free-lunch data | Similar S:T ratio |
| Cosby High School | Similar size | No free-lunch data | Lower S:T ratio |
Comparisons are relative to Cosby Elementary's own figures; each column derives from NCES Common Core of Data.
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.
Next steps
Verify locally before acting on Cosby Elementary'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.
Cosby Elementary has 429 students enrolled. It is an elementary school in Cosby, TN.
The student-teacher ratio at Cosby Elementary is 17.9:1, which is 17% higher than the Tennessee average of 15.3:1 and 14% higher than the national average of 15.7:1.
The largest demographic group at Cosby Elementary is White at 90.2% of enrollment, in Cosby, TN.
Cosby Elementary has a Resource Investment Index of 24/100 (lower reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, counselor availability, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
By Resource Investment Index, Cosby Elementary ranks #4 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.
Cosby Elementary earns 24/100 on the Resource Investment Index, with class sizes larger than 85% 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.
Besides Cosby Elementary, 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.
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, “Cosby Elementary, Cosby TN.” 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/cosby-elementary-tn
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