Enrollment
1,803
Illinois · 2024-25 NCES data
2024-25 NCES data High school (grades 9-12) NCES 173894003953
Thornton Fractnl So High School — Lansing, IL
Federal NCES profile for Thornton Fractnl So High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators — composite Resource Quality Score 34/100.
School address
District: Thornton Fractional Twp Hsd 215 · Illinois
Public location data per NCES (National Center for Education Statistics) Common Core of Data. Verify the school's current address on the NCES CCD record.
Teachers (FTE)
107.0
Federal CCD staff survey
Students per teacher
18:1
vs 14.6:1 Illinois avg
+23% vs state
Student-teacher ratio in context
How Thornton Fractnl So High School compares with Illinois and U.S. medians
What this school's NCES data tells you
Thornton Fractnl So High School reports 1,803 enrolled students to the National Center for Education Statistics (NCES) alongside 107.0 full-time-equivalent teachers, producing a 18:1 student-teacher ratio. That figure sits 23% above the Illinois state mean of 14.6:1, signalling larger average class loads than peers in the same state. Against the national 2024-25 average of 15.9:1, it is 13% higher, a useful calibration for families comparing districts across state lines.
The school offers 12 Advanced Placement courses, a stronger academic pipeline indicator than enrollment alone. Counselor coverage works out to roughly 361 students per counselor, above the ASCA-recommended ceiling of 250:1. Chronic absenteeism — missing 10% or more of school days — stands at 30.8% according to the 2021-22 Civil Rights Data Collection.
On the finance side, the surrounding Thornton Fractional Twp Hsd 215 spends $21,408 per pupil district-wide, above the Illinois average of $20,099 and above the national average of $19,490. Revenue comes 43.3% from local sources (property taxes), 45.1% from the state, and 11.5% from federal programs per the NCES F-33 finance survey. Taken together, these measurements produce a composite Resource Quality Grade of F (34/100), calculated from 5 distinct NCES and CRDC indicators.
Source: National Center for Education Statistics Common Core of Data + CRDC + F-33 · 2024-25
How Thornton Fractnl So High School compares
Cross-validating school-level NCES values against Illinois state and U.S. national means lets readers see whether this school is an outlier or in line with peers.
| Metric | This school | Illinois avg | U.S. avg |
|---|---|---|---|
| Students per teacher | 18:1 | 14.6:1 | 15.9:1 |
| Enrollment (students) | 1,803 | — | — |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
Overview
Enrollment 1,803
Teachers (FTE) 107.0
Students per teacher 18:1 +23% vs state
Free-lunch eligible —
NCES ID 173894003953
Student demographics
African American 68.3%
Hispanic or Latino 24.6%
White 5.6%
Asian 0.6%
Two or More 0.6%
American Indian / Alaska Native 0.3%
Native Hawaiian / Pacific Islander 0.1%
Largest group: African American at 68.3% of enrollment.
Programs & staff
AP courses offered 12
Counselors (FTE) 5.0
Students per counselor 361:1
Discipline & special education
Chronically absent 30.8%
In-school suspensions 239
Out-of-school suspensions 90
Expulsions 2
Funding & spending
District-wide per-pupil expenditure for Thornton Fractional Twp Hsd 215, which includes Thornton Fractnl So High School.
$21,408
Per student
+7%
vs Illinois
Avg $20,099
+10%
vs U.S.
Avg $19,490
Revenue mix
Local 43.3%
State 45.1%
Federal 11.5%
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.
Other Schools in This District
- Enrollment
- 1,425
- Students per teacher
- 15.9:1
Educator & family resources
In-depth guides on understanding NCES data, school choice, and education funding.
Understanding NCES data
How CCD, CRDC and EDFacts feed every public-school number you see.
Choose a school district
Eight signals that matter more than the overall ranking number.
How schools are funded
Title I, F-33, state aid formulas and what per-pupil spending really means.
Chronic absenteeism
Why missing 10% of school matters and how it varies by district.
Magnet vs charter vs traditional
Three school types, three funding models, three sets of trade-offs.
School discipline data
What CRDC suspension and expulsion records do and don't reveal.
Frequently asked questions about Thornton Fractnl So High School
How many students attend Thornton Fractnl So High School?
Thornton Fractnl So High School has 1,803 students enrolled. It is a high school in Lansing, IL.
What is the student-teacher ratio at Thornton Fractnl So High School?
The student-teacher ratio at Thornton Fractnl So High School is 18:1, which is 23% higher than the Illinois average of 14.6:1 and 13% higher than the national average of 15.9:1.
What is the racial and ethnic makeup of Thornton Fractnl So High School?
The largest demographic group at Thornton Fractnl So High School is African American at 68.3%. The school serves a diverse student body in Lansing, IL.
What is the quality grade for Thornton Fractnl So High School?
Thornton Fractnl So High School receives a Resource Quality Grade of F (34/100) based on 5 factors: student-teacher ratio, AP course offerings, counselor availability, attendance rates. This grade reflects available federal resource indicators, not standardized test scores.
Related data sources
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