Enrollment
2,301
Tennessee · 2024-25 NCES data
High school (grades 9-12) · Murfreesboro, TN
Federal NCES profile for Blackman High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 51/100.
The verdict
Blackman High School earns 51/100 on the Resource Investment Index, with class sizes larger than 88% of Tennessee schools. It is also one of the largest schools in Tennessee.
Blackman High School has class sizes larger than 88% of Tennessee schools. Computed live against every Tennessee school reporting to NCES.
By Resource Investment Index, Blackman High School ranks #5 of 5 high schools in Murfreesboro, TN.
NCES ID 470369001354 Verify on NCES CCD record →
Enrollment
2,301
Tennessee · 2024-25 NCES data
Teachers (FTE)
124.0
Federal CCD staff survey
Students per teacher
18.6:1
vs 15.3:1 Tennessee avg
+22% vs state
How Blackman High School compares with Tennessee and U.S. medians
Larger classes than state median
18.6:1 - 3.3 above the Tennessee state median of 15.3:1, indicating larger average class loads than typical schools in the state.
Blackman High School is a large high school in Murfreesboro, Tennessee, enrolling 2,301 students.
Class loads run heavy: 18.6:1 is larger than about 88% of Tennessee schools and 22% above the 15.3:1 state mean, so each teacher carries more students than is typical.
By headcount it is one of the larger campuses in Tennessee, bigger than 99% of state schools at 2,301 students.
Its Resource Investment Index sits near the middle of the pack among 1,838 scored Tennessee schools.
Its student body is led by White (47%) and African American (22%), more mixed than most schools in the state (diversity index 69/100).
On the academic-pipeline side it reports 20 Advanced Placement courses.
Counselor access is stretched at roughly 575 students per counselor, well above the ASCA-recommended 250:1 ceiling.
15.7% 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 16 expulsions at this campus for 2021-22.
Among Murfreesboro's high schools, it stands alongside Riverdale High School (2,275 students): Blackman High School is larger than that campus by headcount and runs heavier classes (18.6:1 vs 15:1).
Rutherford County also operates Stewarts Creek High School (2,474 students) and Riverdale High School (2,275 students) alongside Blackman 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
Blackman 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 | 18.6:1 | ▲ 22% | 15.3:1 | 15.7:1 |
| Enrollment | 2,301 | 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 47.1% of enrollment.
Simpson diversity index - at 68.8, Blackman High School is more mixed than the Tennessee school average of 38.3.
District-wide per-pupil expenditure for Rutherford County, which includes Blackman 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 |
|---|---|---|---|
| Stewarts Creek High School | Similar size | No free-lunch data | Similar S:T ratio |
| Riverdale High School | Similar size | No free-lunch data | Lower S:T ratio |
| Smyrna High School | Similar size | No free-lunch data | Similar S:T ratio |
| Rockvale High School | Similar size | No free-lunch data | Lower S:T ratio |
| Lavergne High School | Similar size | No free-lunch data | Similar S:T ratio |
Comparisons are relative to Blackman High School's own figures; each column derives from NCES Common Core of Data.
4 comparable high schools (grades 9-12) serving the same city.
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 Blackman 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.
Blackman High School has 2,301 students enrolled. It is a high school in Murfreesboro, TN.
The student-teacher ratio at Blackman High School is 18.6:1, which is 22% higher than the Tennessee average of 15.3:1 and 18% higher than the national average of 15.7:1.
The largest demographic group at Blackman High School is White at 47.1% of enrollment, in Murfreesboro, TN. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 68.8/100.
Blackman High School has a Resource Investment Index of 51/100 (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, Blackman High School ranks #5 of 5 high schools in Murfreesboro, TN. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all high schools in Murfreesboro on the city page.
Blackman High School earns 51/100 on the Resource Investment Index, with class sizes larger than 88% of Tennessee schools. It is also one of the largest schools in Tennessee. 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 Blackman High School, Rutherford County also operates Stewarts Creek High School (2,474 students), Riverdale High School (2,275 students), and Smyrna High School (2,266 students). See the Rutherford 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, “Blackman High School, Murfreesboro 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/blackman-high-school-tn
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