Enrollment
1,042
Illinois · 2024-25 NCES data
High school (grades 9-12) · Tinley Park, IL
Tinley Park High School
Federal NCES profile for Tinley Park 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 170705000367
👥 S:T ratio 34
📚 AP courses 85
🌟 Gifted program 30
🎓 Counselors 58
📋 Attendance 5
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Tinley Park High School earns 42/100 on the Resource Investment Index, with class sizes larger than 83% of Illinois schools. It is also more racially and ethnically mixed than most Illinois schools.
- #12 of 12
- public schools in Tinley Park · Resource Index
- 42
- Resource Index · Typical
- 16.5:1
- large classes for Illinois
- 1,042
- students enrolled
Tinley Park High School has class sizes larger than 83% of Illinois schools. Computed live against every Illinois school reporting to NCES.
By Resource Investment Index, Tinley Park High School ranks #12 of 12 public schools in Tinley Park, IL.
School address
District: Bremen Chsd 228 · Illinois
NCES ID 170705000367 Verify on NCES CCD record →
Teachers (FTE)
63.0
Federal CCD staff survey
Students per teacher
16.5:1
vs 14:1 Illinois avg
+18% vs state
Student-teacher ratio in context
How Tinley Park High School compares with Illinois and U.S. medians
What stands out at Tinley Park High School
Tinley Park High School is a large high school in Tinley Park, Illinois, enrolling 1,042 students.
Class loads run somewhat heavier than typical: 16.5:1 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 93% of state schools at 1,042 students.
Its Resource Investment Index lands in the lower third of 3,845 scored Illinois schools.
Its student body is led by White (43%) and Hispanic or Latino (27%), more mixed than most schools in the state (diversity index 68/100).
On the academic-pipeline side it reports 17 Advanced Placement courses.
Counselor coverage is strong, about 208 students per counselor, inside the American School Counselor Association's recommended 250:1.
Chronic absenteeism is elevated: 38.0% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
The surrounding Bremen Chsd 228 spends $21,520 per pupil, 26% above the Illinois average, a better-resourced district than most.
The federal civil-rights collection also records 7 expulsions at this campus for 2021-22.
Bremen Chsd 228 also operates Bremen High School (1,414 students) and Oak Forest High School (1,329 students) alongside Tinley Park High 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 Tinley Park High School compares
Tinley Park 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 | 16.5:1 | ▲ 18% | 14:1 | 15.7:1 |
| Enrollment | 1,042 | top 7% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
16.5:1
Leaner classes than 34% of US schools, a middle-of-the-pack class size.
1,042
Bigger than 92% of US schools by enrollment, a large campus nationally.
Equity indicators (what these measure)
Staffing depth
16.5:1
students per teacher
- 18% 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
38.0%
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
$21,520
per pupil, district-wide
- above Illinois avg of $17,042
Well above the U.S. public-school average, reflecting substantially higher local or state investment per enrolled student.
Support staff
Counselors5.0 FTE
Per 208 students, the combined health-and-guidance staffing load for this school.
Discipline context
0
in-school suspensions + 51 out-of-school
Suspension rate: 0.0 per 100 students. Combined in-school and out-of-school rate: 4.9 per 100 students. Reported via the Civil Rights Data Collection. Includes 7 expulsions.
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
White 42.9%
Hispanic or Latino 26.8%
African American 24.5%
Asian 3.4%
Two or More 2.3%
American Indian / Alaska Native 0.1%
Native Hawaiian / Pacific Islander 0.1%
Largest group: White at 42.9% of enrollment.
Student-body diversity index 68.2/100
Simpson diversity index - at 68.2, Tinley Park High School is more mixed than the Illinois school average of 38.9.
Programs
AP courses offered 17
Funding & spending
District-wide per-pupil expenditure for Bremen Chsd 228, which includes Tinley Park High School.
$21,520
Per student
+26%
vs Illinois
Avg $17,042
+30%
vs U.S.
Avg $16,593
Revenue mix
Local 44.2%
State 48.6%
Federal 7.2%
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 Tinley Park High School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Bremen High School | Larger | No free-lunch data | Similar S:T ratio |
| Oak Forest High School | Larger | No free-lunch data | Similar S:T ratio |
| Hillcrest High School | Similar size | No free-lunch data | Lower S:T ratio |
Comparisons are relative to Tinley Park High School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 1,414
- Students per teacher
- 16.6:1
- Resource Index
- 27/100
- Enrollment
- 1,329
- Students per teacher
- 15.8:1
- Resource Index
- 37/100
- Enrollment
- 1,100
- Students per teacher
- 14.3:1
- Resource Index
- 32/100
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 (~1,042 students)
Next steps
Verify locally before acting on Tinley Park High School's federal record.
- Compare Tinley Park High School against another school. Compare schools
- Bremen Chsd 228'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 Tinley Park High School
How many students attend Tinley Park High School?
Tinley Park High School has 1,042 students enrolled. It is a high school in Tinley Park, IL.
What is the student-teacher ratio at Tinley Park High School?
The student-teacher ratio at Tinley Park High School is 16.5:1, which is 18% higher than the Illinois average of 14:1 and 5% higher than the national average of 15.7:1.
What is the racial and ethnic makeup of Tinley Park High School?
The largest demographic group at Tinley Park High School is White at 42.9% of enrollment, in Tinley Park, IL. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 68.2/100.
What is the Resource Investment Index for Tinley Park High School?
Tinley Park High School has a Resource Investment Index of 42/100 (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 Tinley Park High School rank among public schools in Tinley Park?
By Resource Investment Index, Tinley Park High School ranks #12 of 12 public schools in Tinley Park, 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 Tinley Park on the city page.
Is Tinley Park High School a good school?
Tinley Park High School earns 42/100 on the Resource Investment Index, with class sizes larger than 83% of Illinois schools. It is also more racially and ethnically mixed than most Illinois 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 Bremen Chsd 228?
Besides Tinley Park High School, Bremen Chsd 228 also operates Bremen High School (1,414 students), Oak Forest High School (1,329 students), and Hillcrest High School (1,100 students). See the Bremen Chsd 228 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.