Enrollment
1,425
Illinois · 2024-25 NCES data
High school (grades 9-12) · Calumet City, IL
Thornton Fractnl No High School
Federal NCES profile for Thornton Fractnl No High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 38/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 173894003952
👥 S:T ratio 34
📚 AP courses 55
🌟 Gifted program 30
🎓 Counselors 53
📋 Attendance 20
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Thornton Fractnl No High School earns 38/100 on the Resource Investment Index, with class sizes larger than 83% of Illinois schools. It is also one of the largest schools in Illinois.
- #2 of 12
- public schools in Calumet City · Resource Index
- 38
- Resource Index · Typical
- 16.4:1
- large classes for Illinois
- 1,425
- students enrolled
Thornton Fractnl No High School has class sizes larger than 83% of Illinois schools. Computed live against every Illinois school reporting to NCES.
By Resource Investment Index, Thornton Fractnl No High School ranks #2 of 12 public schools in Calumet City, IL.
School address
District: Thornton Fractional Twp Hsd 215 · Illinois
NCES ID 173894003952 Verify on NCES CCD record →
Teachers (FTE)
87.0
Federal CCD staff survey
Students per teacher
16.4:1
vs 14:1 Illinois avg
+17% vs state
Student-teacher ratio in context
How Thornton Fractnl No High School compares with Illinois and U.S. medians
What stands out at Thornton Fractnl No High School
Thornton Fractnl No High School is a large high school in Calumet City, Illinois, enrolling 1,425 students.
Class loads run somewhat heavier than typical: 16.4:1 puts it in the larger third of Illinois schools by student-teacher ratio.
By headcount it is one of the larger campuses in Illinois, bigger than 96% of state schools at 1,425 students.
Its Resource Investment Index lands in the lower third of 3,845 scored Illinois schools.
Its student body is led by African American (62%) and Hispanic or Latino (36%) (diversity index 48/100).
On the academic-pipeline side it reports 11 Advanced Placement courses.
Counselor coverage is strong, about 238 students per counselor, inside the American School Counselor Association's recommended 250:1.
Chronic absenteeism is elevated: 32.1% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
Discipline events run high: 647 in- and out-of-school suspensions were reported for 1,425 students in the 2021-22 Civil Rights Data Collection.
Its district, Thornton Fractional Twp Hsd 215, also runs Thornton Fractnl So High School (1,803 students).
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 Thornton Fractnl No High School compares
Thornton Fractnl No High School on the metrics families compare, against Illinois and U.S. means.
| Metric | This school | vs Illinois | Illinois avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 16.4:1 | ▲ 17% | 14:1 | 15.7:1 |
| Enrollment | 1,425 | top 4% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
16.4:1
Leaner classes than 35% of US schools, a middle-of-the-pack class size.
1,425
Bigger than 96% of US schools by enrollment, a large campus nationally.
Equity indicators (what these measure)
Staffing depth
16.4:1
students per teacher
- 17% above state mean
Top 83% in Illinois - lower ratio than 17% of state schools
Between 16:1 and 20:1, squarely in the typical U.S. public-school staffing range.
Engagement
32.1%
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
$18,628
per pupil, district-wide
- above Illinois avg of $17,042
Somewhat above the U.S. public-school average, reflecting higher local or state investment per enrolled student.
Support staff
Counselors6.0 FTE
Per 238 students, the combined health-and-guidance staffing load for this school.
Discipline context
494
in-school suspensions + 153 out-of-school
Suspension rate: 34.7 per 100 students. Combined in-school and out-of-school rate: 45.4 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 62.2%
Hispanic or Latino 36.1%
White 1.1%
Two or More 0.4%
Asian 0.1%
American Indian / Alaska Native 0.1%
Native Hawaiian / Pacific Islander 0.1%
Largest group: African American at 62.2% of enrollment.
Student-body diversity index 48.3/100
Simpson diversity index - at 48.3, Thornton Fractnl No High School is more mixed than the Illinois school average of 38.9.
Programs
AP courses offered 11
Funding & spending
District-wide per-pupil expenditure for Thornton Fractional Twp Hsd 215, which includes Thornton Fractnl No High School.
$18,628
Per student
+9%
vs Illinois
Avg $17,042
+12%
vs U.S.
Avg $16,593
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.
How Thornton Fractnl No High School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Thornton Fractnl So High School | Larger | No free-lunch data | Similar S:T ratio |
Comparisons are relative to Thornton Fractnl No High School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 1,803
- Students per teacher
- 16.9:1
- Resource Index
- 28/100
Similar high schools statewide
Matched by enrollment size and by staffing ratio across all of Illinois, not just this city - a different peer set than the local comparisons above.
Similar enrollment (~1,425 students)
Similar student-teacher ratio (~16.4:1)
Next steps
Verify locally before acting on Thornton Fractnl No High School's federal record.
- Compare Thornton Fractnl No High School against another school. Compare schools
- Thornton Fractional Twp Hsd 215'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 Thornton Fractnl No High School
How many students attend Thornton Fractnl No High School?
Thornton Fractnl No High School has 1,425 students enrolled. It is a high school in Calumet City, IL.
What is the student-teacher ratio at Thornton Fractnl No High School?
The student-teacher ratio at Thornton Fractnl No High School is 16.4:1, which is 17% higher than the Illinois average of 14:1 and 4% higher than the national average of 15.7:1.
What is the racial and ethnic makeup of Thornton Fractnl No High School?
The largest demographic group at Thornton Fractnl No High School is African American at 62.2% of enrollment, in Calumet City, IL.
What is the Resource Investment Index for Thornton Fractnl No High School?
Thornton Fractnl No High School has a Resource Investment Index of 38/100 (typical reported resources relative to schools nationally) based on 5 factors: student-teacher ratio, AP course offerings, counselor availability, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Thornton Fractnl No High School rank among public schools in Calumet City?
By Resource Investment Index, Thornton Fractnl No High School ranks #2 of 12 public schools in Calumet City, 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 Calumet City on the city page.
Is Thornton Fractnl No High School a good school?
Thornton Fractnl No High School earns 38/100 on the Resource Investment Index, with class sizes larger than 83% of Illinois schools. It is also one of the largest schools in Illinois. 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 Thornton Fractional Twp Hsd 215?
Besides Thornton Fractnl No High School, Thornton Fractional Twp Hsd 215 also operates Thornton Fractnl So High School (1,803 students). See the Thornton Fractional Twp Hsd 215 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.