Enrollment
650
Illinois · 2024-25 NCES data
High school (grades 9-12) · Chillicothe, IL
Il Valley Central High School
Federal NCES profile for Il Valley Central High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 44/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 171997002256
👥 S:T ratio 45
📚 AP courses 50
🌟 Gifted program 30
🎓 Counselors 57
📋 Attendance 38
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Il Valley Central High School earns 44/100 on the Resource Investment Index, with class sizes near the Illinois median.
- #2 of 4
- public schools in Chillicothe · Resource Index
- 44
- Resource Index · Typical
- 13.8:1
- students per teacher
- 650
- students enrolled
Il Valley Central High School has class sizes near the Illinois median. Computed live against every Illinois school reporting to NCES.
By Resource Investment Index, Il Valley Central High School ranks #2 of 4 public schools in Chillicothe, IL.
School address
District: Il Valley Central Usd 321 · Illinois
NCES ID 171997002256 Verify on NCES CCD record →
Teachers (FTE)
47.0
Federal CCD staff survey
Students per teacher
13.8:1
vs 14:1 Illinois avg
-1% vs state
Student-teacher ratio in context
How Il Valley Central High School compares with Illinois and U.S. medians
What stands out at Il Valley Central High School
Il Valley Central High School is a mid-sized high school in Chillicothe, Illinois, enrolling 650 students.
At 13.8:1, its student-teacher ratio sits close to the Illinois median, within a few percentage points of the 14:1 state norm, neither notably crowded nor notably small.
Enrollment of 650 puts it in the larger 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 predominantly White (90% of enrollment) (diversity index 19/100).
On the academic-pipeline side it reports 10 Advanced Placement courses.
Counselor coverage is strong, about 217 students per counselor, inside the American School Counselor Association's recommended 250:1.
Attendance runs somewhat below the norm, with 24.8% of students chronically absent per the 2021-22 civil-rights collection.
The surrounding Il Valley Central Usd 321 spends $11,921 per pupil, 30% below the Illinois average, a leaner-resourced district than most.
Il Valley Central Usd 321 also operates Mossville Elementary School (431 students) and South Elementary School (424 students) alongside Il Valley Central 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 Il Valley Central High School compares
Il Valley 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 | 13.8:1 | ▼ 1% | 14:1 | 15.7:1 |
| Enrollment | 650 | top 17% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
13.8:1
Leaner classes than 59% of US schools, a middle-of-the-pack class size.
650
Bigger than 77% of US schools by enrollment, mid-sized for the country.
Equity indicators (what these measure)
Staffing depth
13.8:1
students per teacher
- 1% below state mean
Top 53% in Illinois - lower ratio than 47% of state schools
Close to the 15:1 benchmark most often cited for individualized attention.
Engagement
24.8%
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
$11,921
per pupil, district-wide
- below Illinois avg of $17,042
Well below the U.S. average per-pupil spend, a notably leaner funding position that may affect programs, facilities, and staffing.
Support staff
Counselors3.0 FTE
Per 217 students, the combined health-and-guidance staffing load for this school.
Discipline context
0
in-school suspensions + 28 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.
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 89.7%
Two or More 4.3%
Hispanic or Latino 3.5%
African American 1.1%
Asian 1.1%
American Indian / Alaska Native 0.2%
Native Hawaiian / Pacific Islander 0.2%
Largest group: White at 89.7% of enrollment.
Student-body diversity index 19.2/100
Simpson diversity index - at 19.2, Il Valley Central High School is less mixed than the Illinois school average of 38.9.
Programs
AP courses offered 10
Funding & spending
District-wide per-pupil expenditure for Il Valley Central Usd 321, which includes Il Valley Central High School.
$11,921
Per student
-30%
vs Illinois
Avg $17,042
-28%
vs U.S.
Avg $16,593
Revenue mix
Local 54.1%
State 36.5%
Federal 9.4%
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 Il Valley Central High School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Mossville Elementary School | Smaller | No free-lunch data | Higher S:T ratio |
| South Elementary School | Smaller | No free-lunch data | Higher S:T ratio |
| Chillicothe Jr High | Smaller | No free-lunch data | Higher S:T ratio |
| Mossville Jr High | Smaller | No free-lunch data | Similar S:T ratio |
| Chillicothe Elementary Center | Smaller | No free-lunch data | Lower S:T ratio |
Comparisons are relative to Il Valley Central High School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 431
- Students per teacher
- 17.2:1
- Resource Index
- 35/100
- Enrollment
- 424
- Students per teacher
- 15.7:1
- Resource Index
- 32/100
- Enrollment
- 229
- Students per teacher
- 17.6:1
- Resource Index
- 35/100
- Enrollment
- 181
- Students per teacher
- 15.1:1
- Resource Index
- 36/100
- Enrollment
- 156
- Students per teacher
- 10.4:1
- Resource Index
- 47/100
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 (~650 students)
Similar student-teacher ratio (~13.8:1)
Next steps
Verify locally before acting on Il Valley Central High School's federal record.
- Compare Il Valley Central High School against another school. Compare schools
- Il Valley Central Usd 321'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 Il Valley Central High School
How many students attend Il Valley Central High School?
Il Valley Central High School has 650 students enrolled. It is a high school in Chillicothe, IL.
What is the student-teacher ratio at Il Valley Central High School?
The student-teacher ratio at Il Valley Central High School is 13.8:1, which is 1% lower than the Illinois average of 14:1 and 12% 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 Il Valley Central High School?
The largest demographic group at Il Valley Central High School is White at 89.7% of enrollment, in Chillicothe, IL.
What is the Resource Investment Index for Il Valley Central High School?
Il Valley Central High School has a Resource Investment Index of 44/100 (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 Il Valley Central High School rank among public schools in Chillicothe?
By Resource Investment Index, Il Valley Central High School ranks #2 of 4 public schools in Chillicothe, 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 Chillicothe on the city page.
Is Il Valley Central High School a good school?
Il Valley Central High School earns 44/100 on the Resource Investment Index, with class sizes near the Illinois median. 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 Il Valley Central Usd 321?
Besides Il Valley Central High School, Il Valley Central Usd 321 also operates Mossville Elementary School (431 students), South Elementary School (424 students), and Chillicothe Jr High (229 students). See the Il Valley Central Usd 321 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.