Enrollment
3,537
Illinois · 2024-25 NCES data
High school (grades 9-12) · Gurnee, IL
Warren Township High School
Federal NCES profile for Warren Township High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 48/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 174080004097
👥 S:T ratio 34
📚 AP courses 100
🌟 Gifted program 30
🎓 Counselors 46
📋 Attendance 32
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Warren Township High School earns 48/100 on the Resource Investment Index, with class sizes larger than 83% of Illinois schools. It is also one of the largest schools in Illinois.
- #5 of 6
- public schools in Gurnee · Resource Index
- 48
- Resource Index · Typical
- 16.4:1
- large classes for Illinois
- 3,537
- students enrolled
Warren Township High School has class sizes larger than 83% of Illinois schools. Computed live against every Illinois school reporting to NCES.
By Resource Investment Index, Warren Township High School ranks #5 of 6 public schools in Gurnee, IL.
School address
District: Warren Twp Hsd 121 · Illinois
NCES ID 174080004097 Verify on NCES CCD record →
Teachers (FTE)
216.0
Federal CCD staff survey
Students per teacher
16.4:1
vs 14:1 Illinois avg
+17% vs state
Student-teacher ratio in context
How Warren Township High School compares with Illinois and U.S. medians
What stands out at Warren Township High School
Warren Township High School is a large high school in Gurnee, Illinois, enrolling 3,537 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 99% of state schools at 3,537 students.
Its Resource Investment Index sits near the middle of the pack among 3,845 scored Illinois schools.
Its student body is led by Hispanic or Latino (39%) and White (32%), more mixed than most schools in the state (diversity index 71/100).
On the academic-pipeline side it reports 25 Advanced Placement courses.
Counselor coverage runs a bit thin, about 272 students per counselor, somewhat past the ASCA-recommended 250:1 benchmark.
Chronic absenteeism is elevated: 27.1% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
The federal civil-rights collection also records 4 expulsions at this campus for 2021-22.
Warren Twp Hsd 121 operates only this one school, so Warren Township High School has no district-mates to compare against locally. At 3,537 students, it is also among the largest single-school districts in Illinois, well beyond the enrollment of a typical standalone charter.
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 Warren Township High School compares
Warren Township 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 | 3,537 | top 1% | - | - |
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.
3,537
Bigger than 99% 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
27.1%
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
$17,756
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
Counselors13.0 FTE
Per 272 students, the combined health-and-guidance staffing load for this school.
Discipline context
0
in-school suspensions + 153 out-of-school
Suspension rate: 0.0 per 100 students. Combined in-school and out-of-school rate: 4.3 per 100 students. Reported via the Civil Rights Data Collection. Includes 4 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
Hispanic or Latino 39.4%
White 32.3%
African American 15.2%
Asian 9.3%
Two or More 3.1%
Native Hawaiian / Pacific Islander 0.5%
American Indian / Alaska Native 0.2%
Largest group: Hispanic or Latino at 39.4% of enrollment.
Student-body diversity index 70.8/100
Simpson diversity index - at 70.8, Warren Township High School is more mixed than the Illinois school average of 38.9.
Programs
AP courses offered 25
Funding & spending
District-wide per-pupil expenditure for Warren Twp Hsd 121, which includes Warren Township High School.
$17,756
Per student
+4%
vs Illinois
Avg $17,042
+7%
vs U.S.
Avg $16,593
Revenue mix
Local 65.9%
State 29.5%
Federal 4.6%
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.
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 (~3,537 students)
Similar student-teacher ratio (~16.4:1)
Next steps
Verify locally before acting on Warren Township High School's federal record.
- Compare Warren Township High School against another school. Compare schools
- Warren Twp Hsd 121'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 Warren Township High School
How many students attend Warren Township High School?
Warren Township High School has 3,537 students enrolled. It is a high school in Gurnee, IL.
What is the student-teacher ratio at Warren Township High School?
The student-teacher ratio at Warren Township 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 Warren Township High School?
The largest demographic group at Warren Township High School is Hispanic or Latino at 39.4% of enrollment, in Gurnee, IL. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 70.8/100.
What is the Resource Investment Index for Warren Township High School?
Warren Township High School has a Resource Investment Index of 48/100 (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 Warren Township High School rank among public schools in Gurnee?
By Resource Investment Index, Warren Township High School ranks #5 of 6 public schools in Gurnee, 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 Gurnee on the city page.
Is Warren Township High School a good school?
Warren Township High School earns 48/100 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 Warren Twp Hsd 121?
None reported; Warren Twp Hsd 121 operates only Warren Township High School as a public school district in NCES's records.
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.