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What's the most underrated thing about Waterbury Elem School that outsiders don't know?
Community prompt from u/allk12. Replies below.
Enrollment
415
Elementary
DISTRICT 441 · STATE 381
SCHOOL COMMUNITY·KEENEYVILLE SD 20·NCES 172088002374
Waterbury Elementary School
355 Rodenburg Rd, Roselle, IL 60172 · (630) 894-4202 · DuPage County
GRADES KG–05ELEMENTARY21-SUBURBREGULAR SCHOOL415 STUDENTS
Student : Teacher
10.3:1
40 FTE teachers
DISTRICT 10.2:1 · STATE 13.9:1
Free / Reduced Lunch
39%
163 students
DISTRICT 57% · STATE 56%
Community
5
0 members
Enrollment and student:teacher ratio compared against other elementary schools. Free/Reduced Lunch and demographics compared against all schools.
Enrollment by grade, 2024-25
| Grade | Students | Share |
|---|---|---|
| Pre-K | 10 | 2% |
| Kindergarten | 59 | 14% |
| Grade 1 | 66 | 16% |
| Grade 2 | 59 | 14% |
| Grade 3 | 84 | 20% |
| Grade 4 | 72 | 17% |
| Grade 5 | 65 | 16% |
This year's kindergarten class (59) is 9% smaller than its 5th grade class (65).
Student demographics
58%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 69% · STATE 69% · US 70%
Student head counts by race/ethnicity from federal NCES enrollment data. District, state, and US figures are each group's share of all public school students in that area (US excludes territories). Very small groups may be suppressed in the source, so categories do not always sum exactly to total enrollment.
Gender split
School pathway
Students here typically continue to
Waterbury Elementary School→Spring Wood Middle School
Feeds from
Based on grade levels within Keeneyville SD 20. Attendance zones can vary; confirm enrollment with the district.
Test scores
IAR + ISA 2024-25 . % Proficient (Levels 4-5)English Language Arts
48.6%
IL avg 51.0% . +21.8pp since 2023
Math
46.9%
IL avg 37.9% . +16.0pp since 2023
What this means: On the IAR + ISA, Illinois's statewide test, about 49 of every 100 students at this school read and write at grade level and about 47 of 100 do math at grade level. Across all Illinois schools, those numbers are about 51 and 38. Reading and writing scores are up about 22 points since 2023, while math scores are up about 16 points.
IAR + ISA results by year
| School year | English Language Arts | Math |
|---|---|---|
| 2024-25 | 48.6% | 46.9% |
| 2023-24 | 26.8% | 30.9% |
% Proficient (Levels 4-5), all students and all tested grades.
Source: IAR + ISA. All students, all grades. See all years and grades →
BeatsExpectations
Demographically-adjusted score · methodologyTier
AS EXPECTED
Performing as predicted given the school's student profile
Actual proficiency
45.5%
composite math + reading, all grades
Predicted
48.8%
based on IL schools with similar FRL share
Beats by
-3.4pp
below demographic expectation
What this means: About 45% of students here test proficient in math and reading, compared with the roughly 49% typical for Illinois schools with a similar share of low-income students. BeatsExpectations measures results against demographically similar schools rather than by raw scores, and this school falls within the typical range, neither among Illinois's top nor bottom 10%.
BeatsExpectations runs a per-state regression of proficiency on free/reduced-lunch share, then scores each school by residual. How this is calculated →
Schools most like Waterbury Elementary School
Waterbury Elementary School's state test result (45.5% proficient) is higher than 1 of the 4 schools below with a result.
| School | Students | Low-income | Proficient |
|---|---|---|---|
| Waterbury Elementary School this school | 415 | 39.3% | 45.5% |
| Sleepy Hollow Elementary School Sleepy Hollow | 424 | 43.9% | 59.5% |
| Big Hollow Primary School Ingleside | 387 | 35.1% | N/A |
| Carl Sandburg Elementary School Wheaton | 402 | 37.3% | 59.7% |
| Willow Creek Elementary School Woodridge | 351 | 36.2% | 52.5% |
| Big Timber Elementary School Hampshire | 451 | 33.7% | 44.1% |
Matched among Illinois elementary schools on enrollment, the share of students from low-income families (eligible for free or reduced-price lunch), and racial and ethnic makeup. Proficient is the average share of students meeting the state standard across all of the school's state tests in 2023-24 and 2024-25, the same combined score our test-score rankings use. Online schools and schools serving specialized populations are not matched.
Where Waterbury Elementary School ranks
Among elementary schools| Measure | This school | In Illinois | In DuPage County |
|---|---|---|---|
| State test proficiency ranked highest first | 45.5% | #725 of 1,925 | #78 of 112 |
| Math proficiency ranked highest first | 46.9% | #757 of 2,077 ▲ 24 | #105 of 141 ▼ 1 |
| Reading proficiency ranked highest first | 48.6% | #1,052 of 2,077 ▲ 251 | #112 of 141 ▲ 8 |
| Enrollment ranked largest first | 415 | #934 of 2,419 | #67 of 163 |
| Students per teacher ranked fewest first | 10.3:1 | #167 of 2,035 | #12 of 146 |
| Diversity index ranked most diverse first | 57.7% | #660 of 2,042 | #78 of 146 |
| Free and reduced lunch ranked highest share first | 39.3% | #1,568 of 2,132 | #50 of 123 |
| Enrollment change since 2017-18 ranked steepest decline first | -11.9% | #825 of 1,461 | #48 of 92 |
Ranked against other public elementary schools. Online schools are left out of every list, and test-score lists leave out schools that serve specialized populations. Each rank links to the full list. Arrows under a test-score rank show places moved since the prior test year, among schools tested both years.
4-year change
SY 2020-21 vs SY 2024-25Enrollment
415
+16 (+4%) vs 2020
-37% since 1990-91, when it was 657
Source: NCES Common Core of Data
Enrollment and staffing by year
| School year | Students | Teachers (FTE) | Students per teacher | Free and reduced lunch |
|---|---|---|---|---|
| 2024-25 | 415 | 40.3 | 10.3:1 | 39% (163) |
| 2023-24 | 439 | 39.3 | 11.2:1 | 45% (197) |
| 2022-23 | 409 | 35.8 | 11.4:1 | 44% (180) |
| 2020-21 | 399 | N/A | N/A | N/A |
| 2017-18 | 471 | 35.7 | 13.2:1 | 34% (161) |
| 2015-16 | 495 | 37 | 13.4:1 | 20% (98) |
| 2010-11 | 568 | 29 | 19.6:1 | 23% (128) |
| 2000-01 | 519 | 30 | 17.3:1 | N/A |
| 1990-91 | 657 | 32 | 20.5:1 | N/A |
Source: NCES Common Core of Data. Rows are the federal collections on file for Waterbury Elementary School.
Since 2017-18: students down 12% (471 to 415); teachers up 13% (35.7 to 40.3).
About Waterbury Elementary School
Waterbury Elementary School is a mid-sized elementary school found in Roselle, Illinois. It had 415 students in 2024-25, spanning kindergarten through 5.
Keeneyville SD 20 counts 1,301 students in its 3 schools, and Waterbury Elementary School is one of them.
About 58% of the student body at Waterbury Elementary School is White. Other students are 29% Hispanic, 9% Asian, 3% Black, and 2% multiracial. A diversity index of 58% means there is a 58% chance two randomly chosen students at Waterbury Elementary School are from different groups.
A staff of 40.3 full-time-equivalent teachers puts the student-to-teacher ratio at 10.3:1. Compared with the 13.9:1 average for elementary schools in Illinois, this school's ratio is lower. By family income, 39% of students are eligible for free or reduced-price lunch.
Compared with Illinois schools that have similar shares of low-income students, Waterbury Elementary School's results are 3.4 points below predicted: 45.5% against 48.8%.
In DuPage County, home to about 930,024 people, median household income comes to about $112,096, 52% of adults hold a bachelor's degree or higher, and about 5% of residents live below the federal poverty line. DuPage County's 277 public schools enroll about 138,557 students and include Waterbury Elementary School.
Of the public schools around it, Waterbury Elementary School is closest to Spring Wood Middle School, about 1.0 miles away. The count of other public schools within five miles is at least 8. Ranked by average proficiency, Waterbury Elementary School places 3rd out of 6 schools in its immediate area.
Waterbury Elementary School is in a suburban area outside a principal city, within an urbanized area with a population of 250,000 or more, a location NCES labels Suburb: Large.
Over the 4 years from 2020-21 to 2024-25, enrollment increased 4%.
The discussion board for Waterbury Elementary School is open to topics like athletics, class schedules, and weather closures. Parents, students, alumni, and staff are welcome to post.
DuPage County at a glance
View full county profilePopulation
930,024
Census ACS
Median income
$112,096
Household, ACS
Bachelor's+
52%
Adults 25+
Poverty rate
5%
Below federal line
Schools in county
277
138,557 students
Quick facts
Related schools
Other schools in Keeneyville SD 20
- Greenbrook Elementary SchoolElementary · 466 students
- Spring Wood Middle SchoolMiddle · 420 students
- Keeneyville Early Childhood CenterElementary
Other schools in Roselle
- Lake Park High SchoolHigh · 2,522 students
- Frederick Nerge Elementary SchoolElementary · 607 students
- Spring Hills Elementary SchoolElementary · 477 students
- Medinah Middle SchoolMiddle · 246 students
- Roselle Middle SchoolMiddle · 230 students
- ALSP - Raymond Benson Primary -Elementary
Nearby schools
- Spring Wood Middle School1.0 mi · 420
- Erickson Elementary School1.3 mi · 445
- Greenbrook Elementary School1.5 mi · 466
- Roselle Middle School1.7 mi · 230
- Horizon Elementary School1.8 mi · 436
- Nathan Hale Elementary School2.0 mi · 495
Frequently asked questions
About Waterbury Elementary SchoolHow many students attend Waterbury Elementary School?
Waterbury Elementary School enrolls approximately 415 students in grades KG-05.
Is Waterbury Elementary School an elementary, middle, or high school?
Waterbury Elementary School is an elementary school covering grades KG-05.
What is the student-teacher ratio at Waterbury Elementary School?
The student-to-teacher ratio at Waterbury Elementary School is approximately 10.3:1 (40 FTE teachers).
How diverse is Waterbury Elementary School?
Waterbury Elementary School reports a student body of 58% White, 29% Hispanic, 3% Black, 9% Asian, 2% Two or more.
Who oversees Waterbury Elementary School?
Waterbury Elementary School is overseen by Keeneyville SD 20 in DuPage County.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.