1
How has Mark DeLay School changed in the last five years, for better or worse?
Community prompt from u/allk12. Replies below.
Enrollment
453
Elementary
DISTRICT 415 · STATE 381
SCHOOL COMMUNITY·DARIEN SD 61·NCES 172145002413
Mark DeLay School
6801 Wilmette Ave, Darien, IL 60561 · (630) 852-0200 · DuPage County
GRADES PK–02ELEMENTARY21-SUBURBREGULAR SCHOOL453 STUDENTS
Student : Teacher
12.3:1
37 FTE teachers
DISTRICT 11.6:1 · STATE 13.9:1
Free / Reduced Lunch
34%
154 students
DISTRICT 35% · 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 | 64 | 14% |
| Kindergarten | 138 | 30% |
| Grade 1 | 125 | 28% |
| Grade 2 | 125 | 28% |
| Grade 3 | 1 | 0% |
Student demographics
63%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 62% · 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
Based on grade levels within Darien SD 61. Attendance zones can vary; confirm enrollment with the district.
Schools most like Mark DeLay School
| School | Students | Low-income | Proficient |
|---|---|---|---|
| Mark DeLay School this school | 453 | 34.0% | N/A |
| Westmore Elementary School Lombard | 432 | 33.3% | 54.9% |
| Meadowview Elementary School Woodridge | 416 | 35.6% | 49.1% |
| J T Manning Elementary School Westmont | 386 | 31.6% | 68.8% |
| Anderson Elementary School Saint Charles | 460 | 34.3% | 55.0% |
| Woodview School Grayslake | 450 | 34.9% | 54.4% |
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 Mark DeLay School ranks
Among elementary schools| Measure | This school | In Illinois | In DuPage County |
|---|---|---|---|
| Enrollment ranked largest first | 453 | #739 of 2,419 | #48 of 163 |
| Students per teacher ranked fewest first | 12.3:1 | #653 of 2,035 | #53 of 146 |
| Diversity index ranked most diverse first | 62.8% | #457 of 2,042 | #48 of 146 |
| Free and reduced lunch ranked highest share first | 34.0% | #1,697 of 2,132 | #63 of 123 |
| Enrollment change since 2017-18 ranked steepest decline first | -15.0% | #661 of 1,461 | #42 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
453
-9 (-2%) vs 2020
+14% since 1990-91, when it was 398
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 | 453 | 36.8 | 12.3:1 | 34% (154) |
| 2023-24 | 457 | 37.1 | 12.3:1 | 35% (158) |
| 2022-23 | 466 | 37.2 | 12.5:1 | 32% (150) |
| 2020-21 | 462 | N/A | N/A | N/A |
| 2017-18 | 533 | 42.3 | 12.6:1 | 39% (209) |
| 2015-16 | 500 | 33 | 15.2:1 | 39% (196) |
| 2010-11 | 540 | 33 | 16.4:1 | 25% (133) |
| 2000-01 | 480 | 28 | 17.1:1 | N/A |
| 1990-91 | 398 | 20 | 19.9:1 | N/A |
Source: NCES Common Core of Data. Rows are the federal collections on file for Mark DeLay School.
Since 2017-18: students down 15% (533 to 453); teachers down 13% (42.3 to 36.8).
About Mark DeLay School
Mark DeLay School is a medium-sized elementary school located in Darien, Illinois. The school reports 453 students in pre-K through 2.
Darien SD 61 enrolls 1,237 students, and its 3 schools include Mark DeLay School.
White students account for 56% of enrollment at Mark DeLay School. Other groups include 19% Hispanic, 12% Black, 7% multiracial, and 6% Asian. The county population is about 65% White. By the diversity index, Mark DeLay School comes in at 63%.
Federal staffing data show 36.8 full-time-equivalent teachers at Mark DeLay School and a ratio of 12.3:1. That ratio is under the 13.9:1 average for elementary schools in Illinois. Free or reduced-price lunch eligibility covers 34% of students. Across public schools in DuPage County, the average is about the same, 34%.
Within DuPage County, median household income is about $112,096, 52% of adults hold a bachelor's degree or higher, and about 5% of people live in poverty. The public schools of DuPage County number 277 and enroll about 138,557.
The closest public school to Mark DeLay School is Westview Hills Middle School, about 0.5 miles away. Within five miles of Mark DeLay School, there are at least 8 other public schools.
The school is in a suburban area outside a principal city, within an urbanized area with a population of 250,000 or more, according to its NCES locale (Suburb: Large).
From 2020-21 to 2024-25, enrollment held near 453, starting from 462.
If you have questions about sports schedules, lunch menus, and spirit week at Mark DeLay School, you can post them here. Posting is open to anyone connected to the school.
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 Darien SD 61
- Eisenhower Jr High SchoolMiddle · 407 students
- Lace Elementary SchoolElementary · 377 students
Other schools in Darien
- Hinsdale South High SchoolHigh · 1,370 students
- Concord Elementary SchoolElementary · 460 students
- Elizabeth Ide Elementary SchoolElementary · 410 students
- Eisenhower Jr High SchoolMiddle · 407 students
- Lace Elementary SchoolElementary · 377 students
- Cass Jr High SchoolMiddle · 313 students
Nearby schools
- Westview Hills Middle School0.5 mi · 455
- Lace Elementary School0.8 mi · 377
- Eisenhower Jr High School1.0 mi · 407
- Hinsdale South High School1.1 mi · 1,370
- Maercker Elementary School1.2 mi · 456
- Gower West Elementary School1.2 mi · 531
Frequently asked questions
About Mark DeLay SchoolHow many students attend Mark DeLay School?
Mark DeLay School enrolls approximately 453 students in grades PK-02.
What grades does Mark DeLay School serve?
Mark DeLay School serves grades PK-02.
What is the student-teacher ratio at Mark DeLay School?
The student-to-teacher ratio at Mark DeLay School is approximately 12.3:1 (37 FTE teachers).
What is the student diversity at Mark DeLay School?
Student demographics at Mark DeLay School are roughly 56% White, 19% Hispanic, 12% Black, 6% Asian, 7% Two or more.
What district is Mark DeLay School in?
Mark DeLay School is part of Darien SD 61.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.