Enrollment
538
Florida · 2024-25 NCES data
Elementary school (grades K-5) · Jacksonville, FL
Sadie T. Tillis Elementary School
Federal NCES profile for Sadie T. Tillis Elementary School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 18/100.
2024-25 NCES dataElementary school (grades K-5)NCES 120048000697
👥 S:T ratio 2
🌟 Gifted program 70
🎓 Counselors 0
📋 Attendance 0
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Sadie T. Tillis Elementary School earns 18/100 on the Resource Investment Index, with class sizes larger than 91% of Florida schools.
- #53 of 56
- elementary schools in Jacksonville · Resource Index
- 18
- Resource Index · Lower
- 24.5:1
- large classes for Florida
- 78.9%
- free-lunch eligible
Sadie T. Tillis Elementary School has class sizes larger than 91% of Florida schools. Computed live against every Florida school reporting to NCES.
By Resource Investment Index, Sadie T. Tillis Elementary School ranks #53 of 56 elementary schools in Jacksonville, FL.
School address
Teachers (FTE)
22.0
Federal CCD staff survey
Students per teacher
24.5:1
vs 17.8:1 Florida avg
+38% vs state
Free-lunch eligible
78.9%
vs 52.0% Florida avg
+52% vs state
Student-teacher ratio in context
How Sadie T. Tillis Elementary School compares with Florida and U.S. medians
What stands out at Sadie T. Tillis Elementary School
Sadie T. Tillis Elementary School is a high-poverty, mid-sized elementary school in Jacksonville, Florida, enrolling 538 students.
Class loads run heavy: 24.5:1 is larger than about 91% of Florida schools and 38% above the 17.8:1 state mean, so each teacher carries more students than is typical.
Economic need is high: 78.9% of students qualify for free meals, 52% above the Florida average, a Title I-weighted population that federal funding formulas prioritise.
With 538 students, its enrollment sits close to the Florida median campus size.
Its Resource Investment Index trails 97% of the 3,996 Florida schools with a score on record, one of the lower results on this measure.
Among 684 similarly sized, similarly resourced-need Florida schools statewide, it ranks #666, in the lower tier once campus size and economic need are matched.
Its student body is led by African American (56%) and Hispanic or Latino (25%) (diversity index 61/100).
Counselor access is stretched at roughly 538 students per counselor, well above the ASCA-recommended 250:1 ceiling.
Chronic absenteeism is elevated: 51.9% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
Its district draws 19.8% of revenue from federal sources, an above-typical federal share that tends to track a higher-need student population.
Duval also operates Atlantic Coast High School (2,887 students) and Sandalwood High School (2,627 students) alongside Sadie T. Tillis 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
How Sadie T. Tillis Elementary School compares
Sadie T. Tillis 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 | 24.5:1 | ▲ 38% | 17.8:1 | 15.7:1 |
| Free-lunch eligible | 78.9% | ▲ 52% | 52.0% | 51.7% |
| Enrollment | 538 | top 56% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
24.5:1
Leaner classes than 6% of US schools, heavier class loads than most.
538
Bigger than 66% of US schools by enrollment, mid-sized for the country.
Equity indicators (what these measure)
Economic need
78.9%
free-lunch eligible
- 52% above the Florida average of 52.0%
Well above the 40% Title I schoolwide threshold, among the highest-need profiles in the state; federal funds support the whole school, not individual students.
Staffing depth
24.5:1
students per teacher
- 38% above state mean
Top 91% in Florida - lower ratio than 9% of state schools
Well above 20:1, one of the more stretched staffing loads nationally relative to enrollment.
Engagement
51.9%
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
$10,696
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
Counselors1.0 FTE
Per 538 students, the combined health-and-guidance staffing load for this school.
Discipline context
3
in-school suspensions + 28 out-of-school
Suspension rate: 0.6 per 100 students. Combined in-school and out-of-school rate: 5.8 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
African American 56.3%
Hispanic or Latino 24.5%
White 10.8%
Two or More 5.4%
Asian 1.9%
Native Hawaiian / Pacific Islander 0.7%
American Indian / Alaska Native 0.4%
Largest group: African American at 56.3% of enrollment.
Student-body diversity index 60.8/100
Simpson diversity index - at 60.8, Sadie T. Tillis Elementary School is more mixed than the Florida school average of 52.3.
Programs
Gifted & talented Yes
Funding & spending
District-wide per-pupil expenditure for Duval, which includes Sadie T. Tillis Elementary School.
$10,696
Per student
-4%
vs Florida
Avg $11,167
-36%
vs U.S.
Avg $16,593
Revenue mix
Local 40.9%
State 39.3%
Federal 19.8%
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 Sadie T. Tillis Elementary School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Atlantic Coast High School | Larger | Lower economic need | Similar S:T ratio |
| Sandalwood High School | Larger | Lower economic need | Lower S:T ratio |
| Mandarin High School | Larger | Lower economic need | Lower S:T ratio |
| Duncan U. Fletcher High School | Larger | Lower economic need | Lower S:T ratio |
| First Coast High School | Larger | Lower economic need | Similar S:T ratio |
Comparisons are relative to Sadie T. Tillis Elementary School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 2,887
- Students per teacher
- 24.5:1
- Resource Index
- 24/100
- Enrollment
- 2,627
- Students per teacher
- 22.1:1
- Resource Index
- 31/100
- Enrollment
- 2,343
- Students per teacher
- 20.6:1
- Resource Index
- 26/100
- Enrollment
- 2,184
- Students per teacher
- 22.8:1
- Resource Index
- 20/100
- Enrollment
- 2,098
- Students per teacher
- 23.6:1
- Resource Index
- 25/100
Similar elementary 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 (~538 students)
Next steps
Verify locally before acting on Sadie T. Tillis Elementary School's federal record.
- Compare Sadie T. Tillis Elementary School against another school. Compare schools
- Duval'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 Sadie T. Tillis Elementary School
How many students attend Sadie T. Tillis Elementary School?
Sadie T. Tillis Elementary School has 538 students enrolled. It is an elementary school in Jacksonville, FL.
What is the student-teacher ratio at Sadie T. Tillis Elementary School?
The student-teacher ratio at Sadie T. Tillis Elementary School is 24.5:1, which is 38% higher than the Florida average of 17.8:1 and 56% higher than the national average of 15.7:1.
What percentage of students receive free lunch at Sadie T. Tillis Elementary School?
78.9% of students at Sadie T. Tillis Elementary School are eligible for free lunch, compared to the Florida average of 52.0%.
What is the racial and ethnic makeup of Sadie T. Tillis Elementary School?
The largest demographic group at Sadie T. Tillis Elementary School is African American at 56.3% of enrollment, in Jacksonville, FL. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 60.8/100.
What is the Resource Investment Index for Sadie T. Tillis Elementary School?
Sadie T. Tillis Elementary School has a Resource Investment Index of 18/100 (lower 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).
How does Sadie T. Tillis Elementary School rank among elementary schools in Jacksonville?
By Resource Investment Index, Sadie T. Tillis Elementary School ranks #53 of 56 elementary schools in Jacksonville, FL. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all elementary schools in Jacksonville on the city page.
Is Sadie T. Tillis Elementary School a good school?
Sadie T. Tillis Elementary School earns 18/100 on the Resource Investment Index, with class sizes larger 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.
What other schools are in Duval?
Besides Sadie T. Tillis Elementary School, Duval also operates Atlantic Coast High School (2,887 students), Sandalwood High School (2,627 students), and Mandarin High School (2,343 students). See the Duval 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.