- Enrollment
- 466
- Students per teacher
- 11.1:1
- Resource Index
- 43/100
Elementary school (grades K-5) · Roselle, IL
Waterbury Elem School
Federal NCES profile for Waterbury Elem School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 53/100.
2024-25 NCES dataElementary school (grades K-5)NCES 172088002374
👥 S:T ratio 52
🌟 Gifted program 70
📋 Attendance 36
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Waterbury Elem School earns 53/100 on the Resource Investment Index, with class sizes smaller than 73% of Illinois schools.
- #2 of 6
- public schools in Roselle · Resource Index
- 53
- Resource Index · Higher
- 11.9:1
- small classes for Illinois
- 415
- students enrolled
Waterbury Elem School has class sizes smaller than 73% of Illinois schools. Computed live against every Illinois school reporting to NCES.
By Resource Investment Index, Waterbury Elem School ranks #2 of 6 public schools in Roselle, IL.
School address
District: Keeneyville Sd 20 · Illinois
NCES ID 172088002374 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
+30 students YoY
Waterbury Elem School grew from 409 students in 2022-23 to 439 in 2023-24 (+7.3%).
Teacher FTE added 35.8 → 39.3 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Growing CCD campus
+30 students YoY 172088002374 · Roselle, IL Elementary · SMALL · TRAD
415 enr · 11.9:1 · RII 53
Nearest enrollment peer: Greenbrook Elem School (466 students)
Waterbury Elem School grew from 409 students in 2022-23 to 439 in 2023-24 (+7.3%). Teacher FTE added 35.8 → 39.3 across the same CCD years. Read with this school → · District book → · Illinois schools → · Find another →
Waterbury Elem School in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- Greenbrook Ele
Greenbrook Elem School
466 students
- Spring Wood Mi
Spring Wood Middle School
420 students
- This school
Waterbury Elem School
415 students
What this shows Waterbury Elem School reports 415 students on the CCD universe file.
How Waterbury Elem School compares
Waterbury Elem School is a growing campus on CCD: ratios and free-lunch share vs Illinois and U.S. means.
| Metric | This school | vs Illinois | Illinois avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 11.9:1 | ▼ 15% | 14:1 | 15.7:1 |
| Enrollment | 415 | top 43% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
11.9:1
Leaner classes than 76% of US schools, among the more generously staffed nationally.
415
Bigger than 50% of US schools by enrollment, mid-sized for the country.
Equity indicators methodology
Staffing depth
11.9:1
students per teacher
- 15% below state mean
Top 27% in Illinois - lower ratio than 73% of state schools
Well under the widely cited 15:1 individualized-attention benchmark, among the leaner class loads nationally.
Engagement
25.8%
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
$20,146
per pupil, district-wide
- above Illinois avg of $18,196
Somewhat above the U.S. public-school average, reflecting higher local or state investment per enrolled student.
Support staff
Counselors0.0 FTE
Student-support staffing from the Civil Rights Data Collection.
Discipline context
11
in-school suspensions + 6 out-of-school
Suspension rate: 2.7 per 100 students. Combined in-school and out-of-school rate: 4.1 per 100 students. Reported via the Civil Rights Data Collection.
Student demographics
White 57.6%
Hispanic or Latino 28.7%
Asian 8.7%
African American 2.9%
Two or More 2.2%
Largest group: White at 57.6% of enrollment.
Student-body diversity index 57.7/100
Simpson diversity index - at 57.7, Waterbury Elem School is more mixed than the Illinois school average of 38.9.
Programs
Gifted & talented Yes
District finance for Keeneyville Sd 20 reports $20,146 per pupil (NCES F-33) - open the district page for the full revenue mix.
How Waterbury Elem School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Greenbrook Elem School | Similar size | No free-lunch data | Similar S:T ratio |
| Spring Wood Middle School | Similar size | No free-lunch data | Similar S:T ratio |
Comparisons are relative to Waterbury Elem School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 420
- Students per teacher
- 11.1:1
- Resource Index
- 45/100
Similar elementary schools in Roselle
1 comparable elementary schools (grades K-5) serving the same city.
Nationwide elementary schools with similar size or staffing
Out-of-state peers matched by enrollment and by student-teacher ratio, not the same-city or same-district lists above.
Similar enrollment (~415 students)
Frequently asked questions about Waterbury Elem School
How many students attend Waterbury Elem School?
Waterbury Elem School has 415 students enrolled. It is an elementary school in Roselle, IL. CCD year-over-year: 409 (2022-23) → 439 (2023-24), up 30.
What is the student-teacher ratio at Waterbury Elem School?
The student-teacher ratio at Waterbury Elem School is 11.9:1, which is 15% lower than the Illinois average of 14:1 and 24% 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 Waterbury Elem School?
The largest demographic group at Waterbury Elem School is White at 57.6% of enrollment, in Roselle, IL. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 57.7/100.
What is the Resource Investment Index for Waterbury Elem School?
Waterbury Elem School has a Resource Investment Index of 53/100 (higher reported resources relative to schools nationally) based on 3 factors: student-teacher ratio, gifted-program reporting, chronic absenteeism. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Waterbury Elem School rank among public schools in Roselle?
By Resource Investment Index, Waterbury Elem School ranks #2 of 6 public schools in Roselle, 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 Roselle on the city page.
What other schools are in Keeneyville Sd 20?
Besides Waterbury Elem School, Keeneyville Sd 20 also operates Greenbrook Elem School (466 students) and Spring Wood Middle School (420 students). See the Keeneyville Sd 20 district page for the complete list.