Enrollment
176
Illinois · 2024-25 NCES data
High school (grades 9-12) · Mendon, IL
Unity High School
Federal NCES profile for Unity High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 31/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 172559002771
👥 S:T ratio 53
📚 AP courses 10
🌟 Gifted program 30
🎓 Counselors 30
📋 Attendance 33
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Unity High School earns 31/100 on the Resource Investment Index, even as it posts class sizes smaller than 75% of Illinois schools. It is also less racially and ethnically mixed than most Illinois schools.
- #2 of 3
- public schools in Mendon · Resource Index
- 31
- Resource Index · Lower
- 11.7:1
- small classes for Illinois
- 176
- students enrolled
Unity High School has class sizes smaller than 75% of Illinois schools. Computed live against every Illinois school reporting to NCES.
By Resource Investment Index, Unity High School ranks #2 of 3 public schools in Mendon, IL.
School address
Teachers (FTE)
15.0
Federal CCD staff survey
Students per teacher
11.7:1
vs 14:1 Illinois avg
-16% vs state
Student-teacher ratio in context
How Unity High School compares with Illinois and U.S. medians
What stands out at Unity High School
Unity High School is a small high school in Mendon, Illinois, enrolling 176 students.
Class sizes run a bit leaner than typical: 11.7:1 puts it in the smaller third of Illinois schools by student-teacher ratio.
Enrollment of 176 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 predominantly White (93% of enrollment), among the less diverse in the state (diversity index 13/100).
No Advanced Placement courses are reported for this campus in the federal data.
Counselor availability sits well past the ASCA benchmark, roughly 352 students sharing each counselor, though short of the most stretched campuses.
Chronic absenteeism is elevated: 26.7% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
The surrounding Cusd 4 spends $10,612 per pupil, 38% below the Illinois average, a leaner-resourced district than most.
Cusd 4 also operates Unity Elementary School (296 students) and Unity Middle School (200 students) alongside Unity 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 Unity High School compares
Unity 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 | 11.7:1 | ▼ 16% | 14:1 | 15.7:1 |
| Enrollment | 176 | top 85% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
11.7:1
Leaner classes than 78% of US schools, among the more generously staffed nationally.
176
Bigger than 17% of US schools by enrollment, a small campus.
Equity indicators (what these measure)
Staffing depth
11.7:1
students per teacher
- 16% below state mean
Top 25% in Illinois - lower ratio than 75% of state schools
Well under the widely cited 15:1 individualized-attention benchmark, among the leaner class loads nationally.
Engagement
26.7%
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
$10,612
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
Counselors0.5 FTE
Student-support staffing from the Civil Rights Data Collection.
Discipline context
1
in-school suspensions + 8 out-of-school
Suspension rate: 0.6 per 100 students. Combined in-school and out-of-school rate: 5.1 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 93.2%
Hispanic or Latino 4.0%
African American 2.8%
Largest group: White at 93.2% of enrollment.
Student-body diversity index 12.9/100
Simpson diversity index - at 12.9, Unity High School is less mixed than the Illinois school average of 38.9.
Programs
AP program Not offered
Funding & spending
District-wide per-pupil expenditure for Cusd 4, which includes Unity High School.
$10,612
Per student
-38%
vs Illinois
Avg $17,042
-36%
vs U.S.
Avg $16,593
Revenue mix
Local 47.2%
State 44.3%
Federal 8.5%
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 Unity High School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Unity Elementary School | Larger | No free-lunch data | Higher S:T ratio |
| Unity Middle School | Similar size | No free-lunch data | Higher S:T ratio |
Comparisons are relative to Unity High School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 296
- Students per teacher
- 14.1:1
- Resource Index
- 42/100
- Enrollment
- 200
- Students per teacher
- 14.3:1
- Resource Index
- 33/100
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 (~176 students)
Next steps
Verify locally before acting on Unity High School's federal record.
- Compare Unity High School against another school. Compare schools
- Cusd 4'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 Unity High School
How many students attend Unity High School?
Unity High School has 176 students enrolled. It is a high school in Mendon, IL.
What is the student-teacher ratio at Unity High School?
The student-teacher ratio at Unity High School is 11.7:1, which is 16% lower than the Illinois average of 14:1 and 25% 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 Unity High School?
The largest demographic group at Unity High School is White at 93.2% of enrollment, in Mendon, IL.
What is the Resource Investment Index for Unity High School?
Unity High School has a Resource Investment Index of 31/100 (lower reported resources relative to schools nationally) based on 5 factors: student-teacher ratio, counselor availability, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Unity High School rank among public schools in Mendon?
By Resource Investment Index, Unity High School ranks #2 of 3 public schools in Mendon, 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 Mendon on the city page.
Is Unity High School a good school?
Unity High School earns 31/100 on the Resource Investment Index, even as it posts class sizes smaller than 75% of Illinois schools. It is also less 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 Cusd 4?
Besides Unity High School, Cusd 4 also operates Unity Elementary School (296 students) and Unity Middle School (200 students). See the Cusd 4 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.