Enrollment
217
Illinois · 2024-25 NCES data
High school (grades 9-12) · Hinckley, IL
Federal NCES profile for Hinckley-Big Rock High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 33/100.
The verdict
Hinckley-Big Rock High School earns 33/100 on the Resource Investment Index, with class sizes smaller than 70% of Illinois schools.
Hinckley-Big Rock High School has class sizes smaller than 70% of Illinois schools. Computed live against every Illinois school reporting to NCES.
NCES ID 171926002213 Verify on NCES CCD record →
Enrollment
217
Illinois · 2024-25 NCES data
Teachers (FTE)
18.0
Federal CCD staff survey
Students per teacher
12.1:1
vs 14:1 Illinois avg
-14% vs state
How Hinckley-Big Rock High School compares with Illinois and U.S. medians
At or below state median
12.1:1 - 1.9 below the Illinois state median of 14:1, indicating smaller average class loads than typical schools in the state.
Hinckley-Big Rock High School is a mid-sized high school in Hinckley, Illinois, enrolling 217 students.
Class sizes run a bit leaner than typical: 12.1:1 puts it in the smaller third of Illinois schools by student-teacher ratio.
Enrollment of 217 puts it in the smaller third of Illinois schools by headcount.
Its Resource Investment Index sits near the middle of the pack among 3,845 scored Illinois schools.
Its student body is led by White (79%) and Hispanic or Latino (17%) (diversity index 34/100).
On the academic-pipeline side it reports 4 Advanced Placement courses.
Counselor coverage is strong, about 217 students per counselor, inside the American School Counselor Association's recommended 250:1.
Chronic absenteeism is elevated: 36.4% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
The federal civil-rights collection also records 2 expulsions at this campus for 2021-22.
Hinckley Big Rock Cusd 429 also operates Hinckley-Big Rock Elem Sch (297 students) and Hinckley-Big Rock Middle Sch (216 students) alongside Hinckley-Big Rock 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
Hinckley-Big Rock 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 | 12.1:1 | ▼ 14% | 14:1 | 15.7:1 |
| Enrollment | 217 | top 79% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
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.
Largest group: White at 79.3% of enrollment.
Simpson diversity index - at 34.3, Hinckley-Big Rock High School is less mixed than the Illinois school average of 38.9.
District-wide per-pupil expenditure for Hinckley Big Rock Cusd 429, which includes Hinckley-Big Rock 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 |
|---|---|---|---|
| Hinckley-Big Rock Elem Sch | Larger | No free-lunch data | Similar S:T ratio |
| Hinckley-Big Rock Middle Sch | Similar size | No free-lunch data | Similar S:T ratio |
Comparisons are relative to Hinckley-Big Rock High School's own figures; each column derives from NCES Common Core of Data.
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.
Next steps
Verify locally before acting on Hinckley-Big Rock 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.
Hinckley-Big Rock High School has 217 students enrolled. It is a high school in Hinckley, IL.
The student-teacher ratio at Hinckley-Big Rock High School is 12.1:1, which is 14% lower than the Illinois average of 14:1 and 23% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
The largest demographic group at Hinckley-Big Rock High School is White at 79.3% of enrollment, in Hinckley, IL.
Hinckley-Big Rock High School has a Resource Investment Index of 33/100 (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).
Hinckley-Big Rock High School earns 33/100 on the Resource Investment Index, with class sizes smaller than 70% of 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.
Besides Hinckley-Big Rock High School, Hinckley Big Rock Cusd 429 also operates Hinckley-Big Rock Elem Sch (297 students) and Hinckley-Big Rock Middle Sch (216 students). See the Hinckley Big Rock Cusd 429 district page for the complete list.
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.
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PlainSchools, “Hinckley-Big Rock High School, Hinckley IL.” Compiled from NCES Common Core of Data, Civil Rights Data Collection, and the NCES F-33 finance survey; data as of June 2026. https://plainschools.com/schools/hinckley-big-rock-high-school-il/
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