Enrollment
1,588
Tennessee · 2024-25 NCES data
High school (grades 9-12) · Brentwood, TN
Federal NCES profile for Brentwood High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 56/100.
The verdict
Brentwood High School earns 56/100 on the Resource Investment Index, with class sizes larger than 87% of Tennessee schools. It is also one of the largest schools in Tennessee.
Brentwood High School has class sizes larger than 87% of Tennessee schools. Computed live against every Tennessee school reporting to NCES.
By Resource Investment Index, Brentwood High School ranks #13 of 14 public schools in Brentwood, TN.
NCES ID 470453001894 Verify on NCES CCD record →
Enrollment
1,588
Tennessee · 2024-25 NCES data
Teachers (FTE)
87.0
Federal CCD staff survey
Students per teacher
18.3:1
vs 15.3:1 Tennessee avg
+20% vs state
How Brentwood High School compares with Tennessee and U.S. medians
Slightly above state median
18.3:1 - 3.0 above the Tennessee state median of 15.3:1, indicating larger average class loads than typical schools in the state.
Brentwood High School is a large high school in Brentwood, Tennessee, enrolling 1,588 students.
Class loads run heavy: 18.3:1 is larger than about 87% of Tennessee schools and 20% 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 98% of state schools at 1,588 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 (79%) and Asian (9%) (diversity index 36/100).
On the academic-pipeline side it reports 32 Advanced Placement courses.
Counselor coverage runs a bit thin, about 289 students per counselor, somewhat past the ASCA-recommended 250:1 benchmark.
Attendance runs somewhat below the norm, with 23.7% of students chronically absent per the 2021-22 civil-rights collection.
The federal civil-rights collection also records 8 expulsions at this campus for 2021-22.
Among Brentwood's high schools, it stands alongside Ravenwood High School (1,975 students): Brentwood High School is smaller than that campus by headcount and runs leaner classes (18.3:1 vs 19.8:1).
Williamson County also operates Independence High School (2,091 students) and Ravenwood High School (1,975 students) alongside Brentwood 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
Brentwood 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 | 18.3:1 | ▲ 20% | 15.3:1 | 15.7:1 |
| Enrollment | 1,588 | top 2% | - | - |
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 79.1% of enrollment.
Simpson diversity index - at 36.2, Brentwood High School is less mixed than the Tennessee school average of 38.3.
District-wide per-pupil expenditure for Williamson County, which includes Brentwood 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 |
|---|---|---|---|
| Independence High School | Larger | No free-lunch data | Similar S:T ratio |
| Ravenwood High School | Similar size | No free-lunch data | Higher S:T ratio |
| Franklin High School | Similar size | No free-lunch data | Lower S:T ratio |
| Summit High School | Similar size | No free-lunch data | Similar S:T ratio |
| Nolensville High School | Similar size | No free-lunch data | Similar S:T ratio |
Comparisons are relative to Brentwood High School's own figures; each column derives from NCES Common Core of Data.
1 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 Brentwood 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.
Brentwood High School has 1,588 students enrolled. It is a high school in Brentwood, TN.
The student-teacher ratio at Brentwood High School is 18.3:1, which is 20% higher than the Tennessee average of 15.3:1 and 17% higher than the national average of 15.7:1.
The largest demographic group at Brentwood High School is White at 79.1% of enrollment, in Brentwood, TN.
Brentwood High School has a Resource Investment Index of 56/100 (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, Brentwood High School ranks #13 of 14 public schools in Brentwood, 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 Brentwood on the city page.
Brentwood High School earns 56/100 on the Resource Investment Index, with class sizes larger than 87% 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 Brentwood High School, Williamson County also operates Independence High School (2,091 students), Ravenwood High School (1,975 students), and Franklin High School (1,729 students). See the Williamson 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.
Published by
PlainSchools Editorial
Independent public-data reference that compiles, verifies, and contextualizes official datasets. We do not accept compensation from entities we cover, and every dataset cites its originating public source.
Last updated:
PlainSchools, “Brentwood High School, Brentwood 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/brentwood-high-school-tn
You are welcome to quote these figures with attribution to PlainSchools and the underlying source. The URL above is stable.