Enrollment
3,295
Illinois · 2024-25 NCES data
High school (grades 9-12) · Joliet, IL
Federal NCES profile for Joliet Central High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 45/100.
The verdict
Joliet Central High School earns 45/100 on the Resource Investment Index, with class sizes larger than 93% of Illinois schools. It is also one of the largest schools in Illinois.
Joliet Central High School has class sizes larger than 93% of Illinois schools. Computed live against every Illinois school reporting to NCES.
By Resource Investment Index, Joliet Central High School ranks #16 of 31 public schools in Joliet, IL.
NCES ID 172061002350 Verify on NCES CCD record →
Enrollment
3,295
Illinois · 2024-25 NCES data
Teachers (FTE)
184.0
Federal CCD staff survey
Students per teacher
18.4:1
vs 14:1 Illinois avg
+31% vs state
How Joliet Central High School compares with Illinois and U.S. medians
Larger classes than state median
18.4:1 - 4.4 above the Illinois state median of 14:1, indicating larger average class loads than typical schools in the state.
Joliet Central High School is a large high school in Joliet, Illinois, enrolling 3,295 students.
Class loads run heavy: 18.4:1 is larger than about 93% of Illinois schools and 31% above the 14:1 state mean, so each teacher carries more students than is typical.
By headcount it is one of the larger campuses in Illinois, bigger than 99% of state schools at 3,295 students.
Its Resource Investment Index lands in the lower third of 3,845 scored Illinois schools.
Its student body is led by Hispanic or Latino (73%) and African American (15%) (diversity index 44/100).
On the academic-pipeline side it reports 18 Advanced Placement courses.
Counselor availability sits well past the ASCA benchmark, roughly 330 students sharing each counselor, though short of the most stretched campuses.
Discipline events run high: 764 in- and out-of-school suspensions were reported for 3,295 students in the 2021-22 Civil Rights Data Collection.
The federal civil-rights collection also records 9 expulsions at this campus for 2021-22.
Among Joliet's high schools, it stands alongside Joliet West High School (3,451 students): Joliet Central High School is smaller than that campus by headcount and runs leaner classes (18.4:1 vs 21.1:1).
Its district, Joliet Twp Hsd 204, also runs Joliet West High School (3,451 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
Joliet Central 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 | 18.4:1 | ▲ 31% | 14:1 | 15.7:1 |
| Enrollment | 3,295 | top 1% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
Largest group: Hispanic or Latino at 72.7% of enrollment.
Simpson diversity index - at 43.9, Joliet Central High School is more mixed than the Illinois school average of 38.9.
District-wide per-pupil expenditure for Joliet Twp Hsd 204, which includes Joliet Central High School.
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.
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Joliet West High School | Similar size | No free-lunch data | Higher S:T ratio |
Comparisons are relative to Joliet Central High School's own figures; each column derives from NCES Common Core of Data.
1 comparable high schools (grades 9-12) serving the same city.
Next steps
Verify locally before acting on Joliet Central High School's federal record.
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.
Joliet Central High School has 3,295 students enrolled. It is a high school in Joliet, IL.
The student-teacher ratio at Joliet Central High School is 18.4:1, which is 31% higher than the Illinois average of 14:1 and 17% higher than the national average of 15.7:1.
The largest demographic group at Joliet Central High School is Hispanic or Latino at 72.7% of enrollment, in Joliet, IL.
Joliet Central High School has a Resource Investment Index of 45/100 (typical reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, AP course offerings, counselor availability. Not a test-score or academic measure (national median ~41/100, see methodology).
By Resource Investment Index, Joliet Central High School ranks #16 of 31 public schools in Joliet, 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 Joliet on the city page.
Joliet Central High School earns 45/100 on the Resource Investment Index, with class sizes larger than 93% 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.
Besides Joliet Central High School, Joliet Twp Hsd 204 also operates Joliet West High School (3,451 students). See the Joliet Twp Hsd 204 district page for the complete list.