Enrollment
343
Elementary
DISTRICT 389 · STATE 381
SCHOOL COMMUNITY·MARQUARDT SD 15·NCES 172478002690
Winnebago Elementary School
195 Greenway Dr, Bloomingdale, IL 60108 · (630) 351-3416 · DuPage County
GRADES PK–05ELEMENTARY21-SUBURBTITLE IREGULAR SCHOOL343 STUDENTS
Student : Teacher
9.7:1
35 FTE teachers
DISTRICT 12.0:1 · STATE 13.9:1
Free / Reduced Lunch
47%
160 students
DISTRICT 58% · STATE 56%
Community
0
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 | 3% |
| Kindergarten | 55 | 16% |
| Grade 1 | 62 | 18% |
| Grade 2 | 66 | 19% |
| Grade 3 | 55 | 16% |
| Grade 4 | 47 | 14% |
| Grade 5 | 48 | 14% |
This year's kindergarten class (55) is 15% larger than its 5th grade class (48).
Student demographics
73%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 63% · 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
Winnebago Elementary School→Marquardt Middle School
Based on grade levels within Marquardt SD 15. Attendance zones can vary; confirm enrollment with the district.
Test scores
IAR + ISA 2024-25 . % Proficient (Levels 4-5)English Language Arts
56.8%
IL avg 51.0% . +14.9pp since 2023
Math
40.0%
IL avg 37.9% . +15.0pp since 2023
What this means: On the IAR + ISA, Illinois's statewide test, about 57 of every 100 students at this school read and write at grade level and about 40 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 15 points since 2023, while math scores are up about 15 points.
IAR + ISA results by year
| School year | English Language Arts | Math |
|---|---|---|
| 2024-25 | 56.8% | 40.0% |
| 2023-24 | 41.9% | 25.0% |
% 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
47.7%
composite math + reading, all grades
Predicted
44.6%
based on IL schools with similar FRL share
Beats by
+3.1pp
above demographic expectation
What this means: About 48% of students here test proficient in math and reading, compared with the roughly 45% 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 Winnebago Elementary School
Winnebago Elementary School's state test result (47.7% proficient) is higher than 4 of the 4 schools below with a result.
| School | Students | Low-income | Proficient |
|---|---|---|---|
| Winnebago Elementary School this school | 343 | 46.6% | 47.7% |
| Euclid Elementary School Mount Prospect | 344 | 43.3% | 45.1% |
| Glen Hill Elementary School Glendale Heights | 398 | 52.5% | 45.1% |
| Horizon Elementary School Hanover Park | 436 | 48.4% | 41.3% |
| Timber Trails Elementary School Hoffman Estates | 363 | 46.8% | 47.3% |
| Arbor Elementary School Oak Forest | 232 | 47.0% | N/A |
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 Winnebago Elementary School ranks
Among elementary schools| Measure | This school | In Illinois | In DuPage County |
|---|---|---|---|
| State test proficiency ranked highest first | 47.7% | #654 of 1,925 | #77 of 112 |
| Math proficiency ranked highest first | 40.0% | #965 of 2,077 ▲ 30 | #111 of 141 ▲ 3 |
| Reading proficiency ranked highest first | 56.8% | #777 of 2,077 ▼ 31 | #101 of 141 no change |
| Enrollment ranked largest first | 343 | #1,301 of 2,419 | #104 of 163 |
| Students per teacher ranked fewest first | 9.7:1 | #97 of 2,035 | #8 of 146 |
| Diversity index ranked most diverse first | 72.6% | #66 of 2,042 | #7 of 146 |
| Free and reduced lunch ranked highest share first | 46.6% | #1,392 of 2,132 | #42 of 123 |
| Enrollment change since 2017-18 ranked steepest decline first | -26.2% | #257 of 1,461 | #12 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
343
-31 (-8%) vs 2020
-28% since 1990-91, when it was 474
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 | 343 | 35.4 | 9.7:1 | 47% (160) |
| 2023-24 | 356 | 37.1 | 9.6:1 | 47% (166) |
| 2022-23 | 340 | 39.9 | 8.5:1 | 48% (162) |
| 2020-21 | 374 | N/A | N/A | N/A |
| 2017-18 | 465 | 30.7 | 15.2:1 | 48% (223) |
| 2015-16 | 451 | 27 | 16.7:1 | 48% (215) |
| 2010-11 | 428 | 22 | 19.4:1 | 40% (172) |
| 2000-01 | 437 | 24 | 18.2:1 | N/A |
| 1990-91 | 474 | 23 | 20.6:1 | N/A |
Source: NCES Common Core of Data. Rows are the federal collections on file for Winnebago Elementary School.
Since 2017-18: students down 26% (465 to 343); teachers up 15% (30.7 to 35.4).
About Winnebago Elementary School
Winnebago Elementary School is a mid-sized elementary school based in Bloomingdale, Illinois. It offers pre-K through 5 and has 343 students enrolled.
Marquardt SD 15 has 5 schools and 2,310 students, and Winnebago Elementary School is one of those schools.
Hispanic students make up 36% of enrollment at Winnebago Elementary School, the largest share of any group. Next come 32% White, 18% Asian, 11% Black, and 4% multiracial. That compares with about 16% Hispanic among all DuPage County residents. Its diversity index, the chance that two randomly chosen students belong to different racial or ethnic groups, is 73%.
Winnebago Elementary School has 35.4 full-time-equivalent teachers on staff and a student-to-teacher ratio of 9.7:1. The school's 9.7:1 compares with an average of 13.9:1 for elementary schools in Illinois. The school has 47% of students eligible for free or reduced-price lunch. The 34% average for public schools in DuPage County is 13 points lower.
Winnebago Elementary School scores 47.7% on state tests, averaged across results. The predicted figure, based on its student poverty level, is 44.6%.
In DuPage County, home to about 930,024 people, the median household earns about $112,096 a year, roughly 52% of adults have a four-year degree or more, and about 5% of residents live below the federal poverty line. Public schools in DuPage County number 277, with about 138,557 students.
Dujardin Elementary School is about 0.7 miles away, making it the nearest public school. There are at least 8 more public schools inside five miles. Nearby schools average 40.7% on proficiency, and Winnebago Elementary School is above that at 47.7%.
By NCES locale, the school is Suburb: Large, or in a suburban area outside a principal city, within an urbanized area with a population of 250,000 or more.
Enrollment decreased 8% over 4 years, reaching 343 in 2024-25.
You can use this page to share news and ask questions about athletics, class schedules, and weather closures. Current and former families are welcome to add their experience.
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 Marquardt SD 15
- Marquardt Middle SchoolMiddle · 754 students
- Black Hawk Elementary SchoolElementary · 576 students
- G Stanley Hall Elementary SchoolElementary · 343 students
- Reskin Elementary SchoolElementary · 294 students
Other schools in Bloomingdale
- Stratford Middle SchoolMiddle · 520 students
- Westfield Middle SchoolMiddle · 493 students
- Erickson Elementary SchoolElementary · 445 students
- Dujardin Elementary SchoolElementary · 352 students
- CCSD 93 Early Childhood CntrElementary · 187 students
- ALSP-DuJardin Elementary School-BloomingdaElementary
Other Winnebago Elementary schools
One other US public school is named Winnebago Elementary. Winnebago Elementary School is the 2nd largest of the 2.
- WINNEBAGO ELEMENTARY SCHOOLWINNEBAGO, NE · 438 students
Nearby schools
- Dujardin Elementary School0.7 mi · 352
- Black Hawk Elementary School0.8 mi · 576
- Westfield Middle School0.8 mi · 493
- Marquardt Middle School0.9 mi · 754
- Reskin Elementary School1.8 mi · 294
- Stratford Middle School1.8 mi · 520
Frequently asked questions
About Winnebago Elementary SchoolWhat is the total enrollment at Winnebago Elementary School?
Winnebago Elementary School enrolls approximately 343 students in grades PK-05.
What grades does Winnebago Elementary School serve?
Winnebago Elementary School serves grades PK-05.
How many teachers does Winnebago Elementary School have?
Winnebago Elementary School employs 35 FTE teachers, for a student-to-teacher ratio of 9.7:1.
What is the student diversity at Winnebago Elementary School?
Student demographics at Winnebago Elementary School are roughly 32% White, 36% Hispanic, 11% Black, 18% Asian, 4% Two or more.
Who oversees Winnebago Elementary School?
Winnebago Elementary School is overseen by Marquardt SD 15 in DuPage County.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.