Enrollment
134
Illinois · 2024-25 NCES data
Other / mixed grade configuration · Windsor, IL
Windsor Jr & Sr High School
Federal NCES profile for Windsor Jr & Sr High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 57/100.
2024-25 NCES dataOther / mixed grade configurationNCES 174269004676
👥 S:T ratio 59
🌟 Gifted program 30
🎓 Counselors 95
📋 Attendance 42
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Windsor Jr & Sr High School earns 57/100 on the Resource Investment Index, with class sizes smaller than 88% of Illinois schools.
- 57
- Resource Index · Higher
- 10.3:1
- small classes for Illinois
- 134
- students enrolled
Windsor Jr & Sr High School has class sizes smaller than 88% of Illinois schools. Computed live against every Illinois school reporting to NCES.
School address
District: Windsor Cusd 1 · Illinois
NCES ID 174269004676 Verify on NCES CCD record →
Teachers (FTE)
13.0
Federal CCD staff survey
Students per teacher
10.3:1
vs 14:1 Illinois avg
-26% vs state
Student-teacher ratio in context
How Windsor Jr & Sr High School compares with Illinois and U.S. medians
What stands out at Windsor Jr & Sr High School
Windsor Jr & Sr High School is a small combined-grade school in Windsor, Illinois, enrolling 134 students.
Classes run notably small here: at 10.3:1, Windsor Jr & Sr High School is leaner than roughly 88% of Illinois schools and 26% under the state's 14:1 norm, more adult attention per pupil than most peers.
This is a small campus: fewer students than 91% of Illinois schools, with 134 enrolled.
Its Resource Investment Index outscores 91% of the 3,845 Illinois schools with a score on record, a top-tier result on this measure.
Its student body is predominantly White (91% of enrollment) (diversity index 17/100).
Counselor coverage is strong, about 24 students per counselor, inside the American School Counselor Association's recommended 250:1.
Attendance runs somewhat below the norm, with 23.1% of students chronically absent per the 2021-22 civil-rights collection.
Its district draws 19.6% of revenue from federal sources, an above-typical federal share that tends to track a higher-need student population.
Among Windsor's public schools, it stands alongside Windsor Elem School (225 students): Windsor Jr & Sr High School is smaller than that campus by headcount and runs leaner classes (10.3:1 vs 15:1).
Its district, Windsor Cusd 1, also runs Windsor Elem School (225 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
How Windsor Jr & Sr High School compares
Windsor Jr & Sr 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 | 10.3:1 | ▼ 26% | 14:1 | 15.7:1 |
| Enrollment | 134 | top 91% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
10.3:1
Leaner classes than 87% of US schools, among the more generously staffed nationally.
134
Bigger than 13% of US schools by enrollment, a small campus.
Equity indicators (what these measure)
Staffing depth
10.3:1
students per teacher
- 26% below state mean
Top 12% in Illinois - lower ratio than 88% of state schools
Well under the widely cited 15:1 individualized-attention benchmark, among the leaner class loads nationally.
Engagement
23.1%
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
$14,035
per pupil, district-wide
- below Illinois avg of $17,042
Somewhat below the U.S. average per-pupil spend; funding constraints may affect programs, facilities, and staffing.
Support staff
Counselors5.5 FTE
Per 24 students, the combined health-and-guidance staffing load for this school.
Discipline context
6
in-school suspensions + 7 out-of-school
Suspension rate: 4.5 per 100 students. Combined in-school and out-of-school rate: 9.7 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 91.0%
Hispanic or Latino 5.2%
Two or More 3.0%
African American 0.7%
Largest group: White at 91.0% of enrollment.
Student-body diversity index 16.8/100
Simpson diversity index - at 16.8, Windsor Jr & Sr High School is less mixed than the Illinois school average of 38.9.
Programs
AP courses offered 3
Funding & spending
District-wide per-pupil expenditure for Windsor Cusd 1, which includes Windsor Jr & Sr High School.
$14,035
Per student
-18%
vs Illinois
Avg $17,042
-15%
vs U.S.
Avg $16,593
Revenue mix
Local 37.4%
State 43.1%
Federal 19.6%
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.
How Windsor Jr & Sr High School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Windsor Elem School | Larger | No free-lunch data | Higher S:T ratio |
Comparisons are relative to Windsor Jr & Sr High School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 225
- Students per teacher
- 15:1
- Resource Index
- 41/100
Similar other schools in Windsor
1 comparable other schools (grades Mixed) serving the same city.
Similar other 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 (~134 students)
Next steps
Verify locally before acting on Windsor Jr & Sr High School's federal record.
- Compare Windsor Jr & Sr High School against another school. Compare schools
- Windsor Cusd 1'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 Windsor Jr & Sr High School
How many students attend Windsor Jr & Sr High School?
Windsor Jr & Sr High School has 134 students enrolled. It is a public school in Windsor, IL.
What is the student-teacher ratio at Windsor Jr & Sr High School?
The student-teacher ratio at Windsor Jr & Sr High School is 10.3:1, which is 26% lower than the Illinois average of 14:1 and 34% 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 Windsor Jr & Sr High School?
The largest demographic group at Windsor Jr & Sr High School is White at 91.0% of enrollment, in Windsor, IL.
What is the Resource Investment Index for Windsor Jr & Sr High School?
Windsor Jr & Sr High School has a Resource Investment Index of 57/100 (higher reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, AP course offerings, counselor availability, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
Is Windsor Jr & Sr High School a good school?
Windsor Jr & Sr High School earns 57/100 on the Resource Investment Index, with class sizes smaller than 88% 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.
What other schools are in Windsor Cusd 1?
Besides Windsor Jr & Sr High School, Windsor Cusd 1 also operates Windsor Elem School (225 students). See the Windsor Cusd 1 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.