Enrollment
613
Illinois · 2024-25 NCES data
Middle school (grades 6-8) · Waterloo, IL
Waterloo Junior High School
Federal NCES profile for Waterloo Junior High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 44/100.
2024-25 NCES dataMiddle school (grades 6-8)NCES 174107004112
👥 S:T ratio 31
🌟 Gifted program 30
📋 Attendance 70
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Waterloo Junior High School earns 44/100 on the Resource Investment Index, with class sizes larger than 89% of Illinois schools. It is also less racially and ethnically mixed than most Illinois schools.
- #4 of 5
- public schools in Waterloo · Resource Index
- 44
- Resource Index · Typical
- 17.2:1
- large classes for Illinois
- 613
- students enrolled
Waterloo Junior High School has class sizes larger than 89% of Illinois schools. Computed live against every Illinois school reporting to NCES.
By Resource Investment Index, Waterloo Junior High School ranks #4 of 5 public schools in Waterloo, IL.
School address
District: Waterloo Cusd 5 · Illinois
NCES ID 174107004112 Verify on NCES CCD record →
Teachers (FTE)
36.0
Federal CCD staff survey
Students per teacher
17.2:1
vs 14:1 Illinois avg
+23% vs state
Student-teacher ratio in context
How Waterloo Junior High School compares with Illinois and U.S. medians
What stands out at Waterloo Junior High School
Waterloo Junior High School is a mid-sized middle school in Waterloo, Illinois, enrolling 613 students.
Class loads run heavy: 17.2:1 is larger than about 89% of Illinois schools and 23% above the 14:1 state mean, so each teacher carries more students than is typical.
Enrollment of 613 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 (94% of enrollment), among the less diverse in the state (diversity index 12/100).
12.1% of students were chronically absent in the 2021-22 collection, in line with the post-pandemic national range.
The surrounding Waterloo Cusd 5 spends $12,458 per pupil, 27% below the Illinois average, a leaner-resourced district than most.
The federal civil-rights collection also records 3 expulsions at this campus for 2021-22.
Waterloo Cusd 5 also operates Waterloo High School (876 students) and W J Zahnow Elem School (487 students) alongside Waterloo Junior 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 Waterloo Junior High School compares
Waterloo Junior 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 | 17.2:1 | ▲ 23% | 14:1 | 15.7:1 |
| Enrollment | 613 | top 20% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
17.2:1
Leaner classes than 29% of US schools, heavier class loads than most.
613
Bigger than 74% of US schools by enrollment, mid-sized for the country.
Equity indicators (what these measure)
Staffing depth
17.2:1
students per teacher
- 23% above state mean
Top 89% in Illinois - lower ratio than 11% of state schools
Between 16:1 and 20:1, squarely in the typical U.S. public-school staffing range.
Engagement
12.1%
chronically absent (missed 10%+ of school days)
In the 10-15% range, above the pre-pandemic national baseline but within the broader post-pandemic picture.
Funding equity
$12,458
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
Counselors0.0 FTE
Student-support staffing from the Civil Rights Data Collection.
Discipline context
35
in-school suspensions + 9 out-of-school
Suspension rate: 5.7 per 100 students. Combined in-school and out-of-school rate: 7.2 per 100 students. Reported via the Civil Rights Data Collection. Includes 3 expulsions.
Overview
Enrollment 613 Top 20% in Illinois - larger than 80% of 3,845 state schools
Teachers (FTE) 36.0
Students per teacher 17.2:1 +23% vs state
Free-lunch eligible -
NCES ID 174107004112
Student demographics
White 94.0%
Hispanic or Latino 2.9%
Two or More 2.1%
Asian 0.7%
African American 0.3%
Largest group: White at 94.0% of enrollment.
Student-body diversity index 11.5/100
Simpson diversity index - at 11.5, Waterloo Junior High School is less mixed than the Illinois school average of 38.9.
Programs & staff
Counselors (FTE) 0.0
Discipline & special education
Chronically absent 12.1%
In-school suspensions 35
Out-of-school suspensions 9
Expulsions 3
Funding & spending
District-wide per-pupil expenditure for Waterloo Cusd 5, which includes Waterloo Junior High School.
$12,458
Per student
-27%
vs Illinois
Avg $17,042
-25%
vs U.S.
Avg $16,593
Revenue mix
Local 61.7%
State 30.8%
Federal 7.5%
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 Waterloo Junior High School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Waterloo High School | Larger | No free-lunch data | Similar S:T ratio |
| W J Zahnow Elem School | Similar size | No free-lunch data | Lower S:T ratio |
| Rogers Elem School | Smaller | No free-lunch data | Lower S:T ratio |
| Gardner Elementary School | Smaller | No free-lunch data | Similar S:T ratio |
Comparisons are relative to Waterloo Junior High School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 876
- Students per teacher
- 17.5:1
- Resource Index
- 37/100
- Enrollment
- 487
- Students per teacher
- 15.3:1
- Resource Index
- 47/100
- Enrollment
- 417
- Students per teacher
- 14.7:1
- Resource Index
- 49/100
- Enrollment
- 374
- Students per teacher
- 16:1
- Resource Index
- 46/100
Next steps
Verify locally before acting on Waterloo Junior High School's federal record.
- Compare Waterloo Junior High School against another school. Compare schools
- Waterloo Cusd 5'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 Waterloo Junior High School
How many students attend Waterloo Junior High School?
Waterloo Junior High School has 613 students enrolled. It is a middle school in Waterloo, IL.
What is the student-teacher ratio at Waterloo Junior High School?
The student-teacher ratio at Waterloo Junior High School is 17.2:1, which is 23% higher than the Illinois average of 14:1 and 10% higher than the national average of 15.7:1.
What is the racial and ethnic makeup of Waterloo Junior High School?
The largest demographic group at Waterloo Junior High School is White at 94.0% of enrollment, in Waterloo, IL.
What is the Resource Investment Index for Waterloo Junior High School?
Waterloo Junior High School has a Resource Investment Index of 44/100 (typical reported resources relative to schools nationally) based on 3 factors: student-teacher ratio, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Waterloo Junior High School rank among public schools in Waterloo?
By Resource Investment Index, Waterloo Junior High School ranks #4 of 5 public schools in Waterloo, 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 Waterloo on the city page.
Is Waterloo Junior High School a good school?
Waterloo Junior High School earns 44/100 on the Resource Investment Index, with class sizes larger than 89% 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 Waterloo Cusd 5?
Besides Waterloo Junior High School, Waterloo Cusd 5 also operates Waterloo High School (876 students), W J Zahnow Elem School (487 students), and Rogers Elem School (417 students). See the Waterloo Cusd 5 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.