- Enrollment
- 1,697
- Students per teacher
- 14.5:1
- Resource Index
- 45/100
High school (grades 9-12) · South Holland, IL
Thornwood High School
Federal NCES profile for Thornwood High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 42/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 173897003956
👥 S:T ratio 49
🌟 Gifted program 30
🎓 Counselors 47
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Thornwood High School earns 42/100 on the Resource Investment Index, with class sizes near the Illinois median. It is also one of the largest schools in Illinois.
- #1 of 7
- public schools in South Holland · Resource Index
- 42
- Resource Index · Typical
- 12.7:1
- students per teacher
- 1,843
- students enrolled
Thornwood High School has class sizes near the Illinois median. Computed live against every Illinois school reporting to NCES.
By Resource Investment Index, Thornwood High School ranks #1 of 7 public schools in South Holland, IL.
School address
District: Thornton Twp Hsd 205 · Illinois
NCES ID 173897003956 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
-128 students YoY
Thornwood High School shrank from 1,996 students in 2022-23 to 1,868 in 2023-24 (-6.4%).
Teacher FTE lost 145.1 → 141.2 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Shrinking CCD campus
-128 students YoY 173897003956 · South Holland, IL High · MID · TRAD
1,843 enr · 12.7:1 · RII 42
Nearest enrollment peer: Thornton Township High School (1,697 students)
Thornwood High School shrank from 1,996 students in 2022-23 to 1,868 in 2023-24 (-6.4%). Teacher FTE lost 145.1 → 141.2 across the same CCD years. Read with this school → · District book → · Illinois schools → · Find another →
Thornwood High School in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- This school
Thornwood High School
1,843 students
- Thornton Towns
Thornton Township High School
1,697 students
- Thornridge Hig
Thornridge High School
969 students
What this shows Thornwood High School reports 1,843 students on the CCD universe file.
How Thornwood High School compares
Thornwood High School is a shrinking campus on CCD: ratios and free-lunch share vs Illinois and U.S. means.
| Metric | This school | vs Illinois | Illinois avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 12.7:1 | ▼ 9% | 14:1 | 15.7:1 |
| Enrollment | 1,843 | top 3% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
12.7:1
Leaner classes than 69% of US schools, among the more generously staffed nationally.
1,843
Bigger than 98% of US schools by enrollment, a large campus nationally.
Equity indicators methodology
Staffing depth
12.7:1
students per teacher
- 9% below state mean
Top 38% in Illinois - lower ratio than 62% of state schools
Well under the widely cited 15:1 individualized-attention benchmark, among the leaner class loads nationally.
Funding equity
$28,504
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
Counselors7.0 FTE
Per 263 students, the combined health-and-guidance staffing load for this school.
Discipline context
1
in-school suspensions + 347 out-of-school
Suspension rate: 0.1 per 100 students. Combined in-school and out-of-school rate: 18.9 per 100 students. Reported via the Civil Rights Data Collection.
Student demographics
African American 82.0%
Hispanic or Latino 13.7%
White 2.0%
Two or More 1.8%
American Indian / Alaska Native 0.3%
Asian 0.1%
Largest group: African American at 82.0% of enrollment.
Student-body diversity index 30.8/100
Simpson diversity index - at 30.8, Thornwood High School is less mixed than the Illinois school average of 38.9.
Programs
AP courses offered 9
District finance for Thornton Twp Hsd 205 reports $28,504 per pupil (NCES F-33) - open the district page for the full revenue mix.
How Thornwood High School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Thornton Township High School | Similar size | No free-lunch data | Higher S:T ratio |
| Thornridge High School | Smaller | No free-lunch data | Similar S:T ratio |
Comparisons are relative to Thornwood High School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 969
- Students per teacher
- 13.5:1
- Resource Index
- 32/100
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 (~1,843 students)
Similar student-teacher ratio (~12.7:1)
Frequently asked questions about Thornwood High School
How many students attend Thornwood High School?
Thornwood High School has 1,843 students enrolled. It is a high school in South Holland, IL. CCD year-over-year: 1,996 (2022-23) → 1,868 (2023-24), down 128.
What is the student-teacher ratio at Thornwood High School?
The student-teacher ratio at Thornwood High School is 12.7:1, which is 9% lower than the Illinois average of 14:1 and 19% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
What is the racial and ethnic makeup of Thornwood High School?
The largest demographic group at Thornwood High School is African American at 82.0% of enrollment, in South Holland, IL.
What is the Resource Investment Index for Thornwood High School?
Thornwood High School has a Resource Investment Index of 42/100 (typical reported resources relative to schools nationally) based on 3 factors: student-teacher ratio, gifted-program reporting, counselor availability. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Thornwood High School rank among public schools in South Holland?
By Resource Investment Index, Thornwood High School ranks #1 of 7 public schools in South Holland, 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 South Holland on the city page.
What other schools are in Thornton Twp Hsd 205?
Besides Thornwood High School, Thornton Twp Hsd 205 also operates Thornton Township High School (1,697 students) and Thornridge High School (969 students). See the Thornton Twp Hsd 205 district page for the complete list.