- Enrollment
- 1,425
- Students per teacher
- 16.4:1
- Resource Index
- 34/100
High school (grades 9-12) · Lansing, IL
Thornton Fractnl So High School
Federal NCES profile for Thornton Fractnl So High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 28/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 173894003953
👥 S:T ratio 32
🌟 Gifted program 30
🎓 Counselors 28
📋 Attendance 23
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Thornton Fractnl So High School earns 28/100 on the Resource Investment Index, with class sizes larger than 87% of Illinois schools. It is also one of the largest schools in Illinois.
- #5 of 8
- public schools in Lansing · Resource Index
- 28
- Resource Index · Lower
- 16.9:1
- large classes for Illinois
- 1,803
- students enrolled
Thornton Fractnl So High School has class sizes larger than 87% of Illinois schools. Computed live against every Illinois school reporting to NCES.
By Resource Investment Index, Thornton Fractnl So High School ranks #5 of 8 public schools in Lansing, IL.
School address
District: Thornton Fractional Twp Hsd 215 · Illinois
NCES ID 173894003953 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
-40 students YoY
Thornton Fractnl So High School held near 1,887 students from 2022-23 to 2023-24 (-40 headcount).
Teacher FTE added 107.6 → 110.3 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Steady CCD campus
-40 students YoY 173894003953 · Lansing, IL High · MID · TRAD
1,803 enr · 16.9:1 · RII 28
Nearest enrollment peer: Thornton Fractnl No High School (1,425 students)
Thornton Fractnl So High School held near 1,887 students from 2022-23 to 2023-24 (-40 headcount). Teacher FTE added 107.6 → 110.3 across the same CCD years. Read with this school → · District book → · Illinois schools → · Find another →
How Thornton Fractnl So High School compares
Thornton Fractnl So High School held steady on CCD headcount: ratios and free-lunch share vs Illinois and U.S. means.
| Metric | This school | vs Illinois | Illinois avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 16.9:1 | ▲ 21% | 14:1 | 15.7:1 |
| Enrollment | 1,803 | top 3% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
16.9:1
Leaner classes than 31% of US schools, heavier class loads than most.
1,803
Bigger than 97% of US schools by enrollment, a large campus nationally.
Equity indicators methodology
Staffing depth
16.9:1
students per teacher
- 21% above state mean
Top 87% in Illinois - lower ratio than 13% of state schools
Between 16:1 and 20:1, squarely in the typical U.S. public-school staffing range.
Engagement
30.8%
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
$23,996
per pupil, district-wide
- above Illinois avg of $18,196
Well above the U.S. public-school average, reflecting substantially higher local or state investment per enrolled student.
Support staff
Counselors5.0 FTE
Per 361 students, the combined health-and-guidance staffing load for this school.
Discipline context
239
in-school suspensions + 90 out-of-school
Suspension rate: 13.3 per 100 students. Combined in-school and out-of-school rate: 18.2 per 100 students. Reported via the Civil Rights Data Collection. Includes 2 expulsions.
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.
Student-body diversity index 47.0/100
Simpson diversity index - at 47.0, Thornton Fractnl So High School is more mixed than the Illinois school average of 38.9.
Programs
AP courses offered 12
District finance for Thornton Fractional Twp Hsd 215 reports $23,996 per pupil (NCES F-33) - open the district page for the full revenue mix.
How Thornton Fractnl So High School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Thornton Fractnl No High School | Similar size | No free-lunch data | Similar S:T ratio |
Comparisons are relative to Thornton Fractnl So High School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
Nationwide high schools with similar size or staffing
Out-of-state peers matched by enrollment and by student-teacher ratio, not the same-city or same-district lists above.
Similar enrollment (~1,803 students)
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. CCD year-over-year: 1,927 (2022-23) → 1,887 (2023-24), nearly flat (-40).
What is the student-teacher ratio at Thornton Fractnl So High School?
The student-teacher ratio at Thornton Fractnl So High School is 16.9:1, which is 21% higher than the Illinois average of 14:1 and 8% higher than the national average of 15.7:1.
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% of enrollment, in Lansing, IL.
What is the Resource Investment Index for Thornton Fractnl So High School?
Thornton Fractnl So High School has a Resource Investment Index of 28/100 (lower reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, gifted-program reporting, counselor availability, chronic absenteeism. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Thornton Fractnl So High School rank among public schools in Lansing?
By Resource Investment Index, Thornton Fractnl So High School ranks #5 of 8 public schools in Lansing, IL. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all public schools in Lansing on the city page.
What other schools are in Thornton Fractional Twp Hsd 215?
Besides Thornton Fractnl So High School, Thornton Fractional Twp Hsd 215 also operates Thornton Fractnl No High School (1,425 students). See the Thornton Fractional Twp Hsd 215 district page for the complete list.