High school (grades 9-12) · Sanford, FL

Seminole High School

Federal NCES profile for Seminole High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 48/100.

2024-25 NCES dataHigh school (grades 9-12)NCES 120171001872
0/100100/10048/100
👥 S:T ratio
6
📚 AP courses
100
🌟 Gifted program
70
🎓 Counselors
15
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →

The verdict

Seminole High School earns 48/100 on the Resource Investment Index, with class sizes larger than 90% of Florida schools. It is also one of the largest schools in Florida.

#15 of 21
public schools in Sanford · Resource Index
48
Resource Index · Typical
23.6:1
large classes for Florida
44.1%
free-lunch eligible

Seminole High School has class sizes larger than 90% of Florida schools. Computed live against every Florida school reporting to NCES.

By Resource Investment Index, Seminole High School ranks #15 of 21 public schools in Sanford, FL.

School address

Enrollment

3,807

Florida · 2024-25 NCES data

Teachers (FTE)

161.0

Federal CCD staff survey

Students per teacher

23.6:1

vs 17.8:1 Florida avg

+33% vs state

Free-lunch eligible

44.1%

vs 52.0% Florida avg

-15% vs state

Student-teacher ratio in context

How Seminole High School compares with Florida and U.S. medians

Larger classes than state median

Source: NCES Common Core of Data As of 2024-25 federal staff survey Total enrollment ÷ full-time-equivalent classroom teachers

What stands out at Seminole High School

Seminole High School is a large high school in Sanford, Florida, enrolling 3,807 students.

Class loads run heavy: 23.6:1 is larger than about 90% of Florida schools and 33% above the 17.8:1 state mean, so each teacher carries more students than is typical.

Economic need runs somewhat below the state's typical profile, with 44.1% of students eligible for free meals.

By headcount it is one of the larger campuses in Florida, bigger than 99% of state schools at 3,807 students.

Its Resource Investment Index lands in the lower third of 3,996 scored Florida schools.

Against 70 statewide peers matched on enrollment and economic need, it ranks mid-pack at #34.

Its student body is led by Hispanic or Latino (28%) and African American (28%), more mixed than most schools in the state (diversity index 76/100).

On the academic-pipeline side it reports 27 Advanced Placement courses.

Counselor access is stretched at roughly 423 students per counselor, well above the ASCA-recommended 250:1 ceiling.

The federal civil-rights collection also records 42 expulsions at this campus for 2021-22.

Seminole also operates Lake Brantley High School (2,813 students) and Lake Mary High School (2,714 students) alongside Seminole 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 Seminole High School compares

Seminole 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 23.6:1 ▲ 33% 17.8:1 15.7:1
Free-lunch eligible 44.1% ▼ 15% 52.0% 51.7%
Enrollment 3,807 top 1% - -

Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25

23.6:1
Leaner classes than 7% of US schools, heavier class loads than most.
3,807
Bigger than 99% of US schools by enrollment, a large campus nationally.

Equity indicators (what these measure)

Economic need
44.1%
free-lunch eligible - 15% 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
23.6:1
students per teacher - 33% above state mean
Top 90% in Florida - lower ratio than 10% of state schools
Above 20:1, running heavier than the typical U.S. public school; staffing is comparatively stretched.
Funding equity
$9,352
per pupil, district-wide - below 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
Counselors9.0 FTE
Per 423 students, the combined health-and-guidance staffing load for this school.
Discipline context
248
in-school suspensions + 321 out-of-school
Suspension rate: 6.5 per 100 students. Combined in-school and out-of-school rate: 14.9 per 100 students. Reported via the Civil Rights Data Collection. Includes 42 expulsions.

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

Hispanic or Latino 27.9%
African American 27.7%
White 27.1%
Asian 12.4%
Two or More 4.3%
American Indian / Alaska Native 0.3%
Native Hawaiian / Pacific Islander 0.3%

Largest group: Hispanic or Latino at 27.9% of enrollment.

Student-body diversity index 75.5/100

Simpson diversity index - at 75.5, Seminole High School is more mixed than the Florida school average of 52.3.

Programs

AP courses offered 27
Gifted & talented Yes

Funding & spending

District-wide per-pupil expenditure for Seminole, which includes Seminole High School.

$9,352
Per student
-16%
vs Florida
Avg $11,167
-44%
vs U.S.
Avg $16,593
Revenue mix
Local 43.4%
State 41.8%
Federal 14.8%

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 Seminole High School Compares to District-Mates

School Enrollment Economic Profile Student-Teacher Ratio
Lake Brantley High School Smaller Similar economic need Higher S:T ratio
Lake Mary High School Smaller Lower economic need Higher S:T ratio
Hagerty High School Smaller Lower economic need Higher S:T ratio
Oviedo High School Smaller Lower economic need Similar S:T ratio
Lake Howell High School Smaller Similar economic need Similar S:T ratio

Comparisons are relative to Seminole High School's own figures; each column derives from NCES Common Core of Data.

Other Schools in This District

Seminole · 5 sibling schools

View district profile

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.

Next steps

Verify locally before acting on Seminole 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.

Frequently asked questions about Seminole High School

How many students attend Seminole High School?

Seminole High School has 3,807 students enrolled. It is a high school in Sanford, FL.

What is the student-teacher ratio at Seminole High School?

The student-teacher ratio at Seminole High School is 23.6:1, which is 33% higher than the Florida average of 17.8:1 and 50% higher than the national average of 15.7:1.

What percentage of students receive free lunch at Seminole High School?

44.1% of students at Seminole High School are eligible for free lunch, compared to the Florida average of 52.0%.

What is the racial and ethnic makeup of Seminole High School?

The largest demographic group at Seminole High School is Hispanic or Latino at 27.9% of enrollment, in Sanford, FL. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 75.5/100.

What is the Resource Investment Index for Seminole High School?

Seminole High School has a Resource Investment Index of 48/100 (typical reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, AP course offerings, counselor availability. Not a test-score or academic measure (national median ~41/100, see methodology).

How does Seminole High School rank among public schools in Sanford?

By Resource Investment Index, Seminole High School ranks #15 of 21 public schools in Sanford, 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 Sanford on the city page.

Is Seminole High School a good school?

Seminole High School earns 48/100 on the Resource Investment Index, with class sizes larger than 90% of Florida schools. It is also one of the largest schools in Florida. 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 Seminole?

Besides Seminole High School, Seminole also operates Lake Brantley High School (2,813 students), Lake Mary High School (2,714 students), and Hagerty High School (2,449 students). See the Seminole district page for the complete list.

Source: National Center for Education Statistics (NCES) CCD + Public School Universe (2024-25), CRDC (2021-22), F-33 District Finance Survey (FY 2021-22) · 2024-25 Data as of the 2024-25 school year. Coverage from U.S. Department of Education NCES Common Core of Data. Varies by entity type; administrative districts and certain charter networks may report only a subset of fields.

All federal data sources used on this page

Full source list and how we compute each figure: methodology page.

View saved

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.