Enrollment
756
Florida · 2024-25 NCES data
Other / mixed grade configuration · Fleming Island, FL
Federal NCES profile for Thunderbolt Elementary School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 48/100.
The verdict
Thunderbolt Elementary School earns 48/100 on the Resource Investment Index, with class sizes smaller than 91% of Florida schools.
Thunderbolt Elementary School has class sizes smaller than 91% of Florida schools. Computed live against every Florida school reporting to NCES.
Enrollment
756
Florida · 2024-25 NCES data
Teachers (FTE)
65.0
Federal CCD staff survey
Students per teacher
11.6:1
vs 17.8:1 Florida avg
-35% vs state
Free-lunch eligible
28.6%
vs 52.0% Florida avg
-45% vs state
How Thunderbolt Elementary School compares with Florida and U.S. medians
Smaller classes than state median
11.6:1 - 6.2 below the Florida state median of 17.8:1, indicating smaller average class loads than typical schools in the state.
Thunderbolt Elementary School is a mid-sized combined-grade school in Fleming Island, Florida, enrolling 756 students.
Classes run notably small here: at 11.6:1, Thunderbolt Elementary School is leaner than roughly 91% of Florida schools and 35% under the state's 17.8:1 norm, more adult attention per pupil than most peers.
Economic need runs somewhat below the state's typical profile, with 28.6% of students eligible for free meals.
Enrollment of 756 puts it in the larger third of Florida schools by headcount.
Its Resource Investment Index lands in the upper third of 3,996 scored Florida schools.
Against 565 statewide peers matched on enrollment and economic need, it ranks in the upper tier at #76.
Its student body is led by White (63%) and Hispanic or Latino (14%) (diversity index 56/100).
Counselor availability sits well past the ASCA benchmark, roughly 378 students sharing each counselor, though short of the most stretched campuses.
Attendance runs somewhat below the norm, with 22.1% of students chronically absent per the 2021-22 civil-rights collection.
The federal civil-rights collection also records 2 expulsions at this campus for 2021-22.
Clay also operates Oakleaf High School (2,307 students) and Middleburg High School (1,866 students) alongside Thunderbolt Elementary 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
Thunderbolt Elementary 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 | 11.6:1 | ▼ 35% | 17.8:1 | 15.7:1 |
| Free-lunch eligible | 28.6% | ▼ 45% | 52.0% | 51.7% |
| Enrollment | 756 | top 34% | - | - |
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 63.2% of enrollment.
Simpson diversity index - at 56.4, Thunderbolt Elementary School is more mixed than the Florida school average of 52.3.
District-wide per-pupil expenditure for Clay, which includes Thunderbolt Elementary 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 |
|---|---|---|---|
| Oakleaf High School | Larger | Similar economic need | Higher S:T ratio |
| Middleburg High School | Larger | Higher economic need | Higher S:T ratio |
| Orange Park High School | Larger | Higher economic need | Higher S:T ratio |
| Ridgeview High School | Larger | Similar economic need | Higher S:T ratio |
| Clay High School | Larger | Similar economic need | Higher S:T ratio |
Comparisons are relative to Thunderbolt Elementary School's own figures; each column derives from NCES Common Core of Data.
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 Thunderbolt Elementary 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.
Thunderbolt Elementary School has 756 students enrolled. It is a public school in Fleming Island, FL.
The student-teacher ratio at Thunderbolt Elementary School is 11.6:1, which is 35% lower than the Florida average of 17.8:1 and 26% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
28.6% of students at Thunderbolt Elementary School are eligible for free lunch, compared to the Florida average of 52.0%.
The largest demographic group at Thunderbolt Elementary School is White at 63.2% of enrollment, in Fleming Island, FL. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 56.4/100.
Thunderbolt Elementary School has a Resource Investment Index of 48/100 (typical 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).
Thunderbolt Elementary School earns 48/100 on the Resource Investment Index, with class sizes smaller than 91% 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.
Besides Thunderbolt Elementary School, Clay also operates Oakleaf High School (2,307 students), Middleburg High School (1,866 students), and Orange Park High School (1,844 students). See the Clay 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, “Thunderbolt Elementary School, Fleming Island FL.” 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/thunderbolt-elementary-school-fl
You are welcome to quote these figures with attribution to PlainSchools and the underlying source. The URL above is stable.