Home > Illinois > Dupage County > Darien

Mark Delay School

6801 Wilmette Ave
Darien, IL 60561

( shown in map)

View full size Get directions

Tel: (630) 852-0200

md.darien61.org

SAVE SCHOOL

Mark Delay School serves 453 students in grades Prekindergarten-2.

The student-teacher ratio of 12:1 is lower than the Illinois state level of 13:1.

Minority enrollment is 44% of the student body (majority Hispanic), which is lower than the Illinois state average of 55% (majority Hispanic).

Quick Facts (26-27)

Grades: Prekindergarten-2
Enrollment: 453 students
Student-Teacher Ratio: 12:1
Minority Enrollment: 44%
: Mark DeLay School's attendance zone encompasses the entire school district in Darien, IL, covering approximately 3.5 square miles. Most students live within a 5-10 minute drive, with the farthest edge of the zone located about 2 miles from the school.
Source: National Center for Education Statistics (NCES), IL Dept. of Education

School Overview

Mark Delay School's student population of 453 students has stayed relatively flat over five school years.

The teacher population of 37 teachers has stayed relatively flat over five school years.

Grades Offered

Grades Prekindergarten-2

View Data

Distribution of Students By Grade Trends
Grade	Mark Delay School
Pre-K	64
Kind	138
1	125
2	125
3	1

Download Table: Download as CSV | Download as XML | Download as JSON

Download Full School Data: Full School Dataset XML | Full School Dataset JSON

Note: Data may not be displayed on any public-facing website or service that replicates or resembles a school search or review portal without prior written permission. See our Terms of Service.

Total Students

453 students

View Data

Showing 2016–2025. Full 39-year historical data available below ↓

Total Students Trends (1987-2025)
Year	Mark Delay School
2025	453
2024	457
2023	466
2022	431
2021	462
2020	501
2019	505
2018	533
2017	524
2016	500
2015	548
2014	554
2013	537
2012	550
2011	540
2010	524
2009	560
2008	574
2007	349
2006	345
2005	371
2004	369
2003	371
2002	373
2001	480
2000	505
1999	539
1998	517
1997	555
1996	540
1995	477
1994	493
1993	399
1992	387
1991	398
1990	383
1989	390
1988	392
1987	370

Download Table: Download as CSV | Download as XML | Download as JSON

Download Full School Data: Full School Dataset XML | Full School Dataset JSON

Note: Data may not be displayed on any public-facing website or service that replicates or resembles a school search or review portal without prior written permission. See our Terms of Service.

Total Classroom Teachers

37 teachers

View Data

Showing 2015–2025. Full 39-year historical data available below ↓

Total Classroom Teachers Trends (1987-2025)
Year	Mark Delay School
2025	37
2024	37
2023	37
2022	38
2020	39
2019	37
2018	42
2017	34
2016	34
2015	35
2014	36
2013	47
2012	35
2011	34
2010	33
2009	34
2008	30
2007	22
2006	26
2005	26
2004	25
2003	25
2002	25
2001	28
2000	27
1999	28
1998	28
1997	27
1996	26
1995	22
1994	22
1993	19
1992	20
1991	21
1990	21
1989	21
1988	21
1987	19

Download Table: Download as CSV | Download as XML | Download as JSON

Download Full School Data: Full School Dataset XML | Full School Dataset JSON

Note: Data may not be displayed on any public-facing website or service that replicates or resembles a school search or review portal without prior written permission. See our Terms of Service.

School Calendar

View School Calendar

School Motto

Inspire and empower each child to realize their full potential

School Rankings

The of Mark Delay School is 0.63, which is less than the diversity score at state average of 0.70. The school's diversity has stayed relatively flat over five school years.

This School

State Level (IL)

Student-Teacher Ratio

12:1

13:1

View Data

Showing 2015–2025. Full 39-year historical data available below ↓

Student-Teacher Ratio Comparison (1987-2025)
Year	Mark Delay School	Illinois	Darien SD 61 School District
2025	12:1	13:1
2024	12:1	13:1
2023	13:1	13:1	12:1
2022	11:1	14:1	12:1
2020	13:1	14:1	14:1
2019	14:1	14:1	14:1
2018	13:1	15:1	14:1
2017	15:1	15:1	14:1
2016	15:1	15:1	15:1
2015	16:1	15:1	15:1
2014	15:1	16:1	15:1
2013	11:1	13:1	12:1
2012	16:1	16:1	16:1
2011	16:1	16:1	16:1
2010	16:1	16:1	16:1
2009	16:1	16:1	16:1
2008	19:1	18:1	19:1
2007	16:1	17:1	16:1
2006	13:1	16:1	14:1
2005	14:1	16:1	14:1
2004	15:1	17:1	14:1
2003	15:1	16:1	15:1
2002	15:1	16:1	15:1
2001	17:1	16:1	16:1
2000	19:1	17:1	16:1
1999	19:1	17:1	17:1
1998	18:1	17:1	17:1
1997	21:1	17:1	18:1
1996	21:1	18:1	19:1
1995	22:1	18:1	20:1
1994	22:1	18:1	20:1
1993	21:1	18:1	19:1
1992	19:1	18:1	17:1
1991	19:1	18:1	17:1
1990	18:1	18:1	18:1
1989	19:1	18:1	17:1
1988	19:1	18:1	18:1
1987	19:1	18:1	19:1

Download Table: Download as CSV | Download as XML | Download as JSON

Download Full School Data: Full School Dataset XML | Full School Dataset JSON

Note: Data may not be displayed on any public-facing website or service that replicates or resembles a school search or review portal without prior written permission. See our Terms of Service.

Asian

View Data

Showing 2016–2025. Full 38-year historical data available below ↓

Asian Student Percentage Comparison (1988-2025)
Year	Mark Delay School	Illinois	Darien SD 61 School District
2025	6%	6%
2024	5%	6%
2023	6%	6%	8%
2022	7%	5%	9%
2021	6%	5%	8%
2020	6%	5%	9%
2019	7%	5%	9%
2018	9%	5%	10%
2017	8%	5%	10%
2016	7%	5%	9%
2015	8%	5%	8%
2014	7%	5%	9%
2013	8%	4%	10%
2012	9%	4%	11%
2011	12%	4%	12%
2010	14%	5%	12%
2009	12%	5%	12%
2008	12%	5%	14%
2007	7%	4%	13%
2006	8%	4%	12%
2005	8%	4%	12%
2004	8%	4%	13%
2003	6%	4%	13%
2002	5%	4%	13%
2001	5%	3%	13%
2000	6%	3%	13%
1999	7%	3%	14%
1998	7%	3%	14%
1997	6%	3%	15%
1996	5%	3%	13%
1995	5%	3%	13%
1994	6%	3%	14%
1993	7%	3%	13%
1992	9%	3%	14%
1991	8%	3%	14%
1990	7%	3%	14%
1989	8%	2%	15%
1988	8%	2%	12%

Download Table: Download as CSV | Download as XML | Download as JSON

Download Full School Data: Full School Dataset XML | Full School Dataset JSON

Note: Data may not be displayed on any public-facing website or service that replicates or resembles a school search or review portal without prior written permission. See our Terms of Service.

Hispanic

19%

29%

View Data

Showing 2016–2025. Full 38-year historical data available below ↓

Hispanic Student Percentage Comparison (1988-2025)
Year	Mark Delay School	Illinois	Darien SD 61 School District
2025	19%	29%
2024	18%	28%
2023	20%	28%	19%
2022	21%	27%	18%
2021	22%	27%	18%
2020	20%	27%	17%
2019	20%	26%	17%
2018	23%	26%	17%
2017	22%	26%	17%
2016	24%	26%	20%
2015	23%	25%	18%
2014	21%	25%	18%
2013	20%	24%	16%
2012	17%	24%	15%
2011	15%	23%	14%
2010	15%	22%	14%
2009	16%	21%	14%
2008	14%	20%	13%
2007	11%	20%	12%
2006	11%	19%	11%
2005	10%	18%	11%
2004	8%	18%	9%
2003	7%	17%	9%
2002	5%	16%	7%
2001	6%	16%	7%
2000	4%	15%	6%
1999	4%	14%	6%
1998	3%	13%	5%
1997	4%	13%	5%
1996	4%	12%	4%
1995	2%	11%	4%
1994	3%	11%	3%
1993	4%	11%	4%
1992	4%	10%	3%
1991	4%	10%	3%
1990	1%	9%	2%
1989	2%	9%	2%
1988	1%	9%	2%

Download Table: Download as CSV | Download as XML | Download as JSON

Download Full School Data: Full School Dataset XML | Full School Dataset JSON

Note: Data may not be displayed on any public-facing website or service that replicates or resembles a school search or review portal without prior written permission. See our Terms of Service.

Black

12%

16%

View Data

Showing 2016–2025. Full 38-year historical data available below ↓

Black Student Percentage Comparison (1988-2025)
Year	Mark Delay School	Illinois	Darien SD 61 School District
2025	12%	16%
2024	11%	17%
2023	12%	16%	13%
2022	10%	17%	12%
2021	10%	17%	12%
2020	10%	16%	13%
2019	12%	17%	13%
2018	10%	17%	12%
2017	9%	17%	12%
2016	11%	17%	13%
2015	13%	18%	13%
2014	13%	17%	14%
2013	14%	18%	15%
2012	14%	18%	15%
2011	15%	19%	15%
2010	17%	19%	14%
2009	14%	20%	13%
2008	13%	20%	11%
2007	7%	20%	11%
2006	6%	20%	11%
2005	7%	21%	11%
2004	8%	21%	11%
2003	10%	21%	9%
2002	7%	21%	8%
2001	6%	21%	7%
2000	6%	21%	6%
1999	6%	21%	6%
1998	5%	21%	5%
1997	5%	21%	5%
1996	5%	21%	6%
1995	2%	21%	6%
1994	1%	21%	4%
1993	2%	21%	4%
1992	2%	21%	4%
1991	2%	21%	3%
1990	3%	22%	3%
1989	3%	22%	3%
1988	3%	22%	2%

Download Table: Download as CSV | Download as XML | Download as JSON

Download Full School Data: Full School Dataset XML | Full School Dataset JSON

Note: Data may not be displayed on any public-facing website or service that replicates or resembles a school search or review portal without prior written permission. See our Terms of Service.

White

56%

45%

View Data

Showing 2016–2025. Full 38-year historical data available below ↓

White Student Percentage Comparison (1988-2025)
Year	Mark Delay School	Illinois	Darien SD 61 School District
2025	56%	45%
2024	59%	45%
2023	57%	46%	57%
2022	58%	47%	58%
2021	60%	47%	59%
2020	61%	48%	58%
2019	58%	48%	58%
2018	55%	48%	59%
2017	57%	49%	59%
2016	54%	49%	57%
2015	52%	49%	45%
2014	58%	50%	59%
2013	52%	51%	56%
2012	54%	51%	56%
2011	55%	51%	57%
2010	54%	53%	59%
2009	58%	53%	61%
2008	61%	54%	62%
2007	75%	55%	64%
2006	75%	56%	66%
2005	75%	57%	66%
2004	76%	57%	67%
2003	77%	58%	69%
2002	83%	59%	72%
2001	83%	60%	73%
2000	84%	61%	74%
1999	83%	62%	74%
1998	85%	63%	76%
1997	85%	63%	75%
1996	86%	64%	77%
1995	91%	65%	77%
1994	90%	65%	79%
1993	87%	65%	79%
1992	85%	66%	79%
1991	86%	66%	80%
1990	88%	66%	81%
1989	87%	67%	80%
1988	88%	67%	84%

Download Table: Download as CSV | Download as XML | Download as JSON

Download Full School Data: Full School Dataset XML | Full School Dataset JSON

Note: Data may not be displayed on any public-facing website or service that replicates or resembles a school search or review portal without prior written permission. See our Terms of Service.

Two or more races

View Data

Showing 2016–2025. Full 15-year historical data available below ↓

Two or More Races Student Percentage Comparison (2011-2025)
Year	Mark Delay School	Illinois	Darien SD 61 School District
2025	7%	4%
2024	7%	4%
2023	5%	4%	3%
2022	4%	4%	3%
2021	2%	4%	3%
2020	3%	4%	3%
2019	3%	4%	3%
2018	3%	4%	2%
2017	4%	3%	2%
2016	4%	3%	1%
2015	4%	3%	4%
2014	1%	3%
2013	6%	3%	3%
2012	6%	3%	3%
2011	3%	3%	2%

Download Table: Download as CSV | Download as XML | Download as JSON

Download Full School Data: Full School Dataset XML | Full School Dataset JSON

Note: Data may not be displayed on any public-facing website or service that replicates or resembles a school search or review portal without prior written permission. See our Terms of Service.

All Ethnic Groups

44%

55%

0.63

0.70

View Data

Showing 2016–2025. Full 38-year historical data available below ↓

Diversity Score Comparison (1988-2025)
Year	Mark Delay School	Illinois	Darien SD 61 School District
2025	0.63	0.69
2024	0.61	0.69
2023	0.62	0.69	0.62
2022	0.61	0.68	0.61
2021	0.58	0.68	0.60
2020	0.58	0.67	0.62
2019	0.61	0.68	0.62
2018	0.63	0.68	0.60
2017	0.62	0.67	0.60
2016	0.64	0.67	0.62
2015	0.66	0.67	0.56
2014	0.60	0.66	0.60
2013	0.67	0.65	0.64
2012	0.65	0.65	0.63
2011	0.64	0.65	0.62
2010	0.64	0.64	0.60
2009	0.61	0.64	0.58
2008	0.58	0.63	0.57
2007	0.42	0.62	0.55
2006	0.42	0.61	0.53
2005	0.42	0.60	0.53
2004	0.41	0.60	0.51
2003	0.39	0.59	0.50
2002	0.30	0.59	0.45
2001	0.30	0.58	0.45
2000	0.29	0.57	0.42
1999	0.30	0.56	0.43
1998	0.27	0.55	0.41
1997	0.27	0.55	0.42
1996	0.26	0.54	0.39
1995	0.17	0.53	0.38
1994	0.19	0.53	0.36
1993	0.24	0.53	0.35
1992	0.27	0.51	0.36
1991	0.25	0.51	0.34
1990	0.22	0.51	0.32
1989	0.24	0.50	0.33
1988	0.22	0.50	0.28

Download Table: Download as CSV | Download as XML | Download as JSON

Download Full School Data: Full School Dataset XML | Full School Dataset JSON

Note: Data may not be displayed on any public-facing website or service that replicates or resembles a school search or review portal without prior written permission. See our Terms of Service.

(22-23)

21.6%

29.7%

View Data

Chronic Absenteeism Rate (2021-2023)
Year	Mark Delay School	Illinois	Darien SD 61 School District
2023	21.6%	29.7%	19.5%
2022	26.1%	31.6%	22.8%
2021	9.7%	20.9%	7.5%

Download Table: Download as CSV | Download as XML | Download as JSON

Download Full School Data: Full School Dataset XML | Full School Dataset JSON

Note: Data may not be displayed on any public-facing website or service that replicates or resembles a school search or review portal without prior written permission. See our Terms of Service.

Eligible for

41%

43%

View Data

Showing 2015–2025. Full 24-year historical data available below ↓

Free Lunch Eligibility Comparison (2002-2025)
Year	Mark Delay School	Illinois	Darien SD 61 School District
2025	41%	43%
2024	40%	43%
2023	39%	43%	31%
2021	40%	44%	30%
2020	33%	46%	31%
2019	37%	47%	31%
2018	36%	47%	27%
2017	35%	46%	27%
2016	34%	47%	26%
2015	44%	52%	34%
2014	42%	47%	37%
2013	30%	45%	26%
2011	21%	39%	20%
2010	26%	37%	19%
2009	18%	33%	16%
2008	16%	32%	15%
2007	9%	32%	12%
2006	11%	32%	10%
2005	10%	32%	11%
2004	9%	32%	8%
2003	9%	30%	8%
2002	8%	30%	7%

Download Table: Download as CSV | Download as XML | Download as JSON

Download Full School Data: Full School Dataset XML | Full School Dataset JSON

Note: Data may not be displayed on any public-facing website or service that replicates or resembles a school search or review portal without prior written permission. See our Terms of Service.

Eligible for

View Data

Showing 2010–2025. Full 24-year historical data available below ↓

Reduced-Price Lunch Eligibility Comparison (2002-2025)
Year	Mark Delay School	Illinois	Darien SD 61 School District
2025	6%	4%
2024	6%	4%
2023	6%	4%	5%
2021	6%	4%	5%
2017	5%	4%	4%
2015	4%	2%	3%
2014	2%	3%	2%
2013	4%	5%	4%
2011	4%	5%	5%
2010	5%	6%	4%
2009	8%	6%	7%
2008	2%	6%	3%
2007	2%	6%	2%
2006	3%	6%	3%
2005	2%	5%	3%
2004	2%	5%	3%
2003	3%	5%	2%
2002	2%	5%	2%

Download Table: Download as CSV | Download as XML | Download as JSON

Download Full School Data: Full School Dataset XML | Full School Dataset JSON

Note: Data may not be displayed on any public-facing website or service that replicates or resembles a school search or review portal without prior written permission. See our Terms of Service.

School Statewide Testing

View Education Department Test Scores

School District Name

Darien SD 61 School District

Sports

Colors

Bulldog colors

Source: National Center for Education Statistics (NCES), IL Dept. of Education

Frequently Asked Questions

What schools are Mark Delay School often compared to?

Mark Delay Schoolis often viewed alongside schools like Gower West Elementary School by visitors of our site.

How many students attend Mark Delay School?

453 students attend Mark Delay School.

What is the racial composition of the student body?

56% of Mark Delay School students are White, 19% of students are Hispanic, 12% of students are Black, 7% of students are Two or more races, and 6% of students are Asian.

What is the student-teacher ratio of Mark Delay School?

Mark Delay School has a student ration of 12:1, which is lower than the Illinois state average of 13:1.

What grades does Mark Delay School offer ?

Mark Delay School offers enrollment in grades Prekindergarten-2

What school district is Mark Delay School part of?

Mark Delay School is part of Darien SD 61 School District.

School Reviews

Review Mark Delay School. Reviews should be a few sentences in length. Please include any comments on:

Quality of academic programs, teachers, and facilities
Availability of music, art, sports and other extracurricular activities

Recent Articles

October 07, 2026

How Much Choice Do High School Students Have?

Learn how graduation requirements, prerequisites, electives, staffing, scheduling conflicts, AP courses, dual enrollment, and career pathways determine how much control high school students have over schedules each year.

October 07, 2026

Does Your Child Need More Recess?

Explore whether your child may benefit more from recess than another academic period, including research on attention, learning, physical activity, stress, social development, and school-day balance today.

October 07, 2026

Combined Grade Classrooms, What Parents Should Know

Learn how combined-grade classrooms work, why public schools use them, potential benefits and challenges, and the questions parents should ask before enrolling their child in one today.

Quick Facts (26-27)

Grades: Prekindergarten-2
Enrollment: 453 students
Student-Teacher Ratio: 12:1
Minority Enrollment: 44%
: Mark DeLay School's attendance zone encompasses the entire school district in Darien, IL, covering approximately 3.5 square miles. Most students live within a 5-10 minute drive, with the farthest edge of the zone located about 2 miles from the school.
Source: National Center for Education Statistics (NCES), IL Dept. of Education