Enrollment
1,777
Florida · 2024-25 NCES data
High school (grades 9-12) · Sebastian, FL
Sebastian River High School
Federal NCES profile for Sebastian River High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 32/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 120093002283
👥 S:T ratio 15
📚 AP courses 35
🌟 Gifted program 70
🎓 Counselors 41
📋 Attendance 0
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Sebastian River High School earns 32/100 on the Resource Investment Index, with class sizes larger than 82% of Florida schools.
- #6 of 7
- public schools in Sebastian · Resource Index
- 32
- Resource Index · Typical
- 21.2:1
- large classes for Florida
- 46.7%
- free-lunch eligible
Sebastian River High School has class sizes larger than 82% of Florida schools. Computed live against every Florida school reporting to NCES.
By Resource Investment Index, Sebastian River High School ranks #6 of 7 public schools in Sebastian, FL.
School address
District: Indian River · Florida
NCES ID 120093002283 Verify on NCES CCD record →
Teachers (FTE)
84.0
Federal CCD staff survey
Students per teacher
21.2:1
vs 17.8:1 Florida avg
+19% vs state
Free-lunch eligible
46.7%
vs 52.0% Florida avg
-10% vs state
Student-teacher ratio in context
How Sebastian River High School compares with Florida and U.S. medians
What stands out at Sebastian River High School
Sebastian River High School is a large high school in Sebastian, Florida, enrolling 1,777 students.
Class loads run somewhat heavier than typical: 21.2:1 puts it in the larger third of Florida schools by student-teacher ratio.
Economic need runs somewhat below the state's typical profile, with 46.7% of students eligible for free meals.
By headcount it is one of the larger campuses in Florida, bigger than 94% of state schools at 1,777 students.
Its Resource Investment Index lands in the lower third of 3,996 scored Florida schools.
Against 323 statewide peers matched on enrollment and economic need, it ranks mid-pack at #162.
Its student body is led by White (48%) and Hispanic or Latino (34%) (diversity index 64/100).
On the academic-pipeline side it reports 7 Advanced Placement courses.
Counselor coverage runs a bit thin, about 296 students per counselor, somewhat past the ASCA-recommended 250:1 benchmark.
Chronic absenteeism is elevated: 51.4% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
Its district draws 15.2% of revenue from federal sources, an above-typical federal share that tends to track a higher-need student population.
Indian River also operates Vero Beach High School (2,645 students) and Storm Grove Middle School (904 students) alongside Sebastian River 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 Sebastian River High School compares
Sebastian River High School on the metrics families compare, against Florida and U.S. means.
| Metric | This school | vs Florida | Florida avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 21.2:1 | ▲ 19% | 17.8:1 | 15.7:1 |
| Free-lunch eligible | 46.7% | ▼ 10% | 52.0% | 51.7% |
| Enrollment | 1,777 | top 6% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
21.2:1
Leaner classes than 12% of US schools, heavier class loads than most.
1,777
Bigger than 97% of US schools by enrollment, a large campus nationally.
Equity indicators (what these measure)
Economic need
46.7%
free-lunch eligible
- 10% below the Florida average of 52.0%
Above the 40% Title I schoolwide threshold; federal funds support the whole school, not individual students.
Staffing depth
21.2:1
students per teacher
- 19% above state mean
Top 82% in Florida - lower ratio than 18% of state schools
Above 20:1, running heavier than the typical U.S. public school; staffing is comparatively stretched.
Engagement
51.4%
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
$11,476
per pupil, district-wide
- above Florida avg of $11,167
Well below the U.S. average per-pupil spend, a notably leaner funding position that may affect programs, facilities, and staffing.
Support staff
Counselors6.0 FTE
Per 296 students, the combined health-and-guidance staffing load for this school.
Discipline context
0
in-school suspensions + 28 out-of-school
Suspension rate: 0.0 per 100 students. Combined in-school and out-of-school rate: 1.6 per 100 students. Reported via the Civil Rights Data Collection.
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 47.8%
Hispanic or Latino 33.8%
African American 14.1%
Two or More 2.9%
Asian 1.4%
Largest group: White at 47.8% of enrollment.
Student-body diversity index 63.6/100
Simpson diversity index - at 63.6, Sebastian River High School is more mixed than the Florida school average of 52.3.
Programs
AP courses offered 7
Gifted & talented Yes
Funding & spending
District-wide per-pupil expenditure for Indian River, which includes Sebastian River High School.
$11,476
Per student
+3%
vs Florida
Avg $11,167
-31%
vs U.S.
Avg $16,593
Revenue mix
Local 64.2%
State 20.6%
Federal 15.2%
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 Sebastian River High School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Vero Beach High School | Larger | Similar economic need | Similar S:T ratio |
| Storm Grove Middle School | Smaller | Similar economic need | Lower S:T ratio |
| Imagine at South Vero | Smaller | Lower economic need | Lower S:T ratio |
| Sebastian River Middle School | Smaller | Higher economic need | Lower S:T ratio |
| Oslo Middle School | Smaller | Higher economic need | Lower S:T ratio |
Comparisons are relative to Sebastian River High School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 2,645
- Students per teacher
- 21.5:1
- Resource Index
- 39/100
- Enrollment
- 904
- Students per teacher
- 16.4:1
- Resource Index
- 36/100
- Enrollment
- 892
- Students per teacher
- 17.5:1
- Resource Index
- 54/100
- Enrollment
- 775
- Students per teacher
- 18.9:1
- Resource Index
- 36/100
- Enrollment
- 767
- Students per teacher
- 16.3:1
- Resource Index
- 38/100
Similar high schools statewide
Matched by enrollment size and by staffing ratio across all of Florida, not just this city - a different peer set than the local comparisons above.
Similar enrollment (~1,777 students)
Next steps
Verify locally before acting on Sebastian River High School's federal record.
- Compare Sebastian River High School against another school. Compare schools
- Indian River'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 Sebastian River High School
How many students attend Sebastian River High School?
Sebastian River High School has 1,777 students enrolled. It is a high school in Sebastian, FL.
What is the student-teacher ratio at Sebastian River High School?
The student-teacher ratio at Sebastian River High School is 21.2:1, which is 19% higher than the Florida average of 17.8:1 and 35% higher than the national average of 15.7:1.
What percentage of students receive free lunch at Sebastian River High School?
46.7% of students at Sebastian River High School are eligible for free lunch, compared to the Florida average of 52.0%.
What is the racial and ethnic makeup of Sebastian River High School?
The largest demographic group at Sebastian River High School is White at 47.8% of enrollment, in Sebastian, FL. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 63.6/100.
What is the Resource Investment Index for Sebastian River High School?
Sebastian River High School has a Resource Investment Index of 32/100 (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 Sebastian River High School rank among public schools in Sebastian?
By Resource Investment Index, Sebastian River High School ranks #6 of 7 public schools in Sebastian, FL. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all public schools in Sebastian on the city page.
Is Sebastian River High School a good school?
Sebastian River High School earns 32/100 on the Resource Investment Index, with class sizes larger than 82% of Florida 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 Indian River?
Besides Sebastian River High School, Indian River also operates Vero Beach High School (2,645 students), Storm Grove Middle School (904 students), and Imagine at South Vero (892 students). See the Indian River 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.