Item: Center Cass School District 66
Rating: 10
Author: �鶹������ý

Home > Illinois > Dupage County

Center Cass School District 66

699 Plainfield Rd
Downers Grove, IL 60516-5057

( shown in map)

10/

Top 10%

Tel: (630) 783-5155

<�鶹��ý class="so-dt-title" id="top-rankings">Top Rankings

Center Cass School District 66 ranks among the top 20% of public school district in Illinois for:

Category

Attribute

Overall Rank

Highest overall rank (Top 10%)

Math Proficiency

Highest math proficiency (Top 10%)

Reading/Language Arts Proficiency

Highest reading/language arts proficiency (Top 20%)

Science Proficiency

Highest science proficiency (Top 10%)

For the 2026 school year, there is 1 public preschool serving 396 students in Center Cass School District 66.

Public Preschools in Center Cass School District 66 have a of 0.52, which is less than the Illinois public preschool average of 0.70.

Minority enrollment is 33% of the student body (majority Hispanic and Asian), which is less than the Illinois public preschool average of 58% (majority Hispanic).

<�鶹��ý class='so-dt-title' id="overview">Overview

This School District

This State (IL)

# Schools

3 Schools

1,386 Schools

# Students

1,130 Students

511,993 Students

# Teachers

75 Teachers

38,166 Teachers

Student-Teacher Ratio

15:1

<�鶹��ý class='so-dt-title' id="student-by-grade">Student By Grade

View Data

Comparison of Students By Grade Trends
Grade	Center Cass School District 66	Illinois
Pre-K	23	79
Kind	114	74
1	128	71
2	126	69
3	5	59

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

Download Full School District Data: Full School Distirct Dataset XML | Full School Distirct 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.

<�鶹��ý class='so-dt-title' id="district-rank">District Rank

Center Cass School District 66, which is ranked within the top 20% of all 864 school districts in Illinois (based off of combined math and reading proficiency testing data) for the 2022-2023 school year.

This School District

State Average (IL)

#85 out of 865 school districts
(Top 10%)

View Data

Overall School District Rank Trends
Year	Center Cass School District 66
2023	#85
2022	#104
2021	#136
2019	#96
2018	#174
2017	#187
2016	#158
2015	#113
2014	#89
2013	#85
2012	#41

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

Download Full School District Data: Full School Distirct Dataset XML | Full School Distirct 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.

47%

27%

View Data

Math Proficiency Trends
Year	Center Cass School District 66	Illinois
2023	47%	27%
2021	38%	28%
2019	51%	33%
2018	45%	32%
2017	47%	32%
2016	47%	31%
2015	45%	29%
2014	78%	59%
2013	76%	58%
2012	96%	80%
2011	95%	80%

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

Download Full School District Data: Full School Distirct Dataset XML | Full School Distirct 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.

49%

30%

View Data

Reading and Language Arts Proficiency Trends
Year	Center Cass School District 66	Illinois
2022	49%	30%
2021	48%	32%
2019	58%	38%
2018	45%	37%
2017	46%	38%
2016	46%	36%
2015	51%	38%
2014	75%	57%
2013	78%	58%
2012	92%	75%
2011	92%	75%

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

Download Full School District Data: Full School Distirct Dataset XML | Full School Distirct 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.

74%

50%

<�鶹��ý class='so-dt-title' id="students-by-ethnicity">Students by Ethnicity:

0.52

0.70

View Data

Comparison of Diversity Score Trends
Year	Center Cass School District 66	Illinois
2023	0.53	0.70
2022	0.52	0.68
2021	0.49	0.68
2020	0.48	0.68
2019	0.48	0.68
2018	0.45	0.67
2017	0.45	0.67
2016	0.45	0.67
2015	0.45	0.67
2014	0.46	0.66
2013	0.47	0.66
2012	0.46	0.65
2011	0.48	0.66
2010	0.42	0.64
2009	0.42	0.64
2008	0.41	0.64
2007	0.40	0.63
2006	0.42	0.61
2005	0.38	0.61
2004	0.37	0.60
2003	0.38	0.59
2002	0.35	0.59
2001	0.33	0.58
2000	0.33	0.57
1999	0.29	0.56
1998	0.32	0.56
1997	0.30	0.54
1996	0.31	0.53
1995	0.26	0.53
1994	0.27	0.52
1993	0.27	0.52
1992	0.27	0.52
1991	0.29	0.52

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

Download Full School District Data: Full School Distirct Dataset XML | Full School Distirct 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.

% American Indian

n/a

% Asian

11%

View Data

Asian Student Percentage Comparison Over Years (1991-2023)
Year	Center Cass School District 66	Illinois
2023	11%	6%
2022	11%	5%
2021	10%	5%
2020	10%	5%
2019	10%	5%
2018	10%	5%
2017	10%	5%
2016	10%	5%
2015	9%	6%
2014	8%	5%
2013	9%	5%
2012	10%	4%
2011	10%	5%
2010	12%	5%
2009	13%	5%
2008	14%	5%
2007	13%	5%
2006	12%	5%
2005	13%	5%
2004	13%	4%
2003	14%	4%
2002	12%	4%
2001	12%	4%
2000	12%	3%
1999	13%	3%
1998	14%	3%
1997	12%	3%
1996	13%	3%
1995	10%	3%
1994	11%	3%
1993	12%	3%
1992	13%	3%
1991	12%	3%

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

Download Full School District Data: Full School Distirct Dataset XML | Full School Distirct 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

13%

32%

View Data

Hispanic Student Percentage Comparison Over Years (1991-2023)
Year	Center Cass School District 66	Illinois
2023	12%	27%
2022	12%	27%
2021	12%	27%
2020	11%	26%
2019	11%	26%
2018	9%	26%
2017	9%	26%
2016	8%	26%
2015	6%	25%
2014	6%	25%
2013	7%	24%
2012	5%	24%
2011	7%	23%
2010	9%	22%
2009	8%	22%
2008	7%	21%
2007	7%	20%
2006	7%	19%
2005	5%	18%
2004	5%	18%
2003	5%	17%
2002	4%	16%
2001	4%	15%
2000	4%	15%
1999	2%	14%
1998	2%	13%
1997	3%	13%
1996	3%	12%
1995	2%	12%
1994	2%	11%
1993	2%	11%
1992	1%	10%
1991	2%	10%

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

Download Full School District Data: Full School Distirct Dataset XML | Full School Distirct 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

18%

View Data

Black Student Percentage Comparison Over Years (1991-2023)
Year	Center Cass School District 66	Illinois
2023	5%	17%
2022	5%	17%
2021	4%	17%
2020	4%	17%
2019	4%	17%
2018	2%	17%
2017	2%	17%
2016	4%	17%
2015	3%	17%
2014	4%	17%
2013	3%	18%
2012	4%	18%
2011	4%	18%
2010	6%	20%
2009	5%	20%
2008	4%	20%
2007	4%	20%
2006	5%	20%
2005	4%	20%
2004	4%	21%
2003	3%	21%
2002	4%	21%
2001	3%	21%
2000	3%	21%
1999	2%	21%
1998	3%	21%
1997	2%	20%
1996	2%	21%
1995	2%	20%
1994	1%	21%
1993	2%	21%
1992	2%	21%
1991	2%	21%

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

Download Full School District Data: Full School Distirct Dataset XML | Full School Distirct 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

67%

42%

View Data

White Student Percentage Comparison Over Years (1991-2023)
Year	Center Cass School District 66	Illinois
2023	66%	45%
2022	67%	47%
2021	70%	47%
2020	71%	48%
2019	71%	48%
2018	73%	49%
2017	73%	49%
2016	73%	49%
2015	73%	49%
2014	72%	50%
2013	71%	50%
2012	72%	51%
2011	71%	51%
2010	73%	53%
2009	74%	53%
2008	75%	54%
2007	76%	55%
2006	75%	56%
2005	78%	57%
2004	78%	57%
2003	78%	58%
2002	80%	59%
2001	81%	60%
2000	81%	61%
1999	83%	62%
1998	81%	63%
1997	83%	64%
1996	82%	64%
1995	85%	65%
1994	85%	65%
1993	84%	65%
1992	84%	66%
1991	84%	66%

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

Download Full School District Data: Full School Distirct Dataset XML | Full School Distirct 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.

% Hawaiian

n/a

% Two or more races

View Data

Two or More Races Student Percentage Comparison Over Years (2013-2023)
Year	Center Cass School District 66	Illinois
2023	6%	4%
2022	5%	4%
2021	4%	4%
2020	4%	4%
2019	4%	4%
2018	6%	3%
2017	6%	3%
2016	5%	3%
2015	9%	3%
2014	10%	3%
2013	10%	3%

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

Download Full School District Data: Full School Distirct Dataset XML | Full School Distirct 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

<�鶹��ý class="so-dt-title" id="district-revenue-and-spending">District Revenue and Spending

The revenue/student of $19,771 in this school district is less than the state median of $22,430. The school district revenue/student has stayed relatively flat over four school years.

The school district's spending/student of $19,524 is less than the state median of $21,668. The school district spending/student has declined by 19% over four school years.

This School District

This State (IL)

Total Revenue

$22 MM

$41,381 MM

View Data

Total Revenues Trends
Year	Center Cass School District 66	Illinois
2023	$22 MM	$15 MM
2022	$22 MM	$14 MM
2021	$22 MM	$15 MM
2020	$22 MM	$14 MM
2019	$20 MM	$14 MM
2018	$15 MM	$15 MM
2017	$16 MM	$13 MM
2016	$16 MM	$12 MM
2015	$15 MM	$10 MM
2014	$16 MM	$12 MM
2012	$15 MM	$11 MM
2011	$15 MM	$11 MM
2010	$15 MM	$10 MM
2009	$13 MM	$10 MM
2008	$13 MM	$9 MM
2007	$13 MM	$9 MM
2006	$12 MM	$8 MM
2005	$12 MM	$8 MM
2004	$12 MM	$8 MM
2003	$11 MM	$7 MM
2002	$10 MM	$8 MM
2001	$11 MM	$7 MM
2000	$15 MM	$7 MM
1999	$9 MM	$7 MM
1998	$8 MM	$6 MM
1997	$7 MM	$5 MM
1996	$7 MM	$5 MM
1995	$6 MM	$5 MM

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

Download Full School District Data: Full School Distirct Dataset XML | Full School Distirct 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.

Spending

$22 MM

$39,976 MM

View Data

Total Expenditure Trends
Year	Center Cass School District 66	Illinois
2023	$22 MM	$14 MM
2022	$26 MM	$14 MM
2021	$22 MM	$14 MM
2020	$26 MM	$14 MM
2019	$28 MM	$13 MM
2018	$16 MM	$14 MM
2017	$17 MM	$12 MM
2016	$15 MM	$12 MM
2015	$13 MM	$11 MM
2014	$15 MM	$12 MM
2012	$14 MM	$11 MM
2011	$14 MM	$11 MM
2010	$13 MM	$11 MM
2009	$13 MM	$10 MM
2008	$12 MM	$9 MM
2007	$12 MM	$9 MM
2006	$11 MM	$8 MM
2005	$11 MM	$8 MM
2004	$13 MM	$8 MM
2003	$11 MM	$8 MM
2002	$11 MM	$8 MM
2001	$13 MM	$7 MM
2000	$19 MM	$7 MM
1999	$8 MM	$6 MM
1998	$8 MM	$6 MM
1997	$7 MM	$5 MM
1996	$7 MM	$5 MM
1995	$6 MM	$5 MM

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

Download Full School District Data: Full School Distirct Dataset XML | Full School Distirct 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.

Revenue / Student

$19,771

$22,430

View Data

Average Revenue Per Student Trends
Year	Center Cass School District 66	Illinois
2023	$20,218	$17,333
2022	$19,899	$19,707
2021	$20,145	$17,764
2020	$19,899	$19,707
2019	$19,086	$17,662
2018	$14,525	$19,255
2017	$16,106	$17,801
2016	$16,046	$14,596
2015	$14,955	$11,118
2014	$16,250	$13,203
2012	$13,726	$11,701
2011	$13,441	$11,859
2010	$12,789	$11,118
2009	$11,063	$10,546
2008	$10,755	$11,298
2007	$10,273	$10,143
2006	$9,110	$9,054
2005	$9,231	$9,158
2004	$8,807	$8,999
2003	$8,271	$8,614
2002	$7,855	$8,976
2001	$8,371	$8,649
2000	$11,570	$8,451
1999	$6,746	$7,697
1998	$5,584	$5,971
1997	$3,403	$5,662
1995	$5,265	$5,677
1992	$4,742	$4,514

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

Download Full School District Data: Full School Distirct Dataset XML | Full School Distirct 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.

Spending / Student

$19,524

$21,668

View Data

Average Expenditure Per Student Trends
Year	Center Cass School District 66	Illinois
2023	$19,966	$16,251
2022	$24,280	$19,097
2021	$19,894	$16,655
2020	$24,280	$19,097
2019	$25,858	$17,005
2018	$15,377	$18,215
2017	$16,309	$17,235
2016	$15,739	$14,516
2015	$13,353	$11,218
2014	$14,527	$12,904
2012	$13,249	$11,755
2011	$12,770	$11,220
2010	$11,419	$11,218
2009	$10,418	$10,416
2008	$10,039	$10,971
2007	$9,419	$9,827
2006	$8,564	$8,997
2005	$8,562	$9,234
2004	$9,561	$9,089
2003	$8,301	$9,395
2002	$8,362	$9,305
2001	$10,394	$8,562
2000	$15,086	$8,142
1999	$6,628	$7,325
1998	$5,570	$5,848
1997	$3,345	$5,503
1995	$5,260	$5,507
1992	$4,339	$4,672

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

Download Full School District Data: Full School Distirct Dataset XML | Full School Distirct 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.

Best Center Cass School District 66 Public Preschools (2026)

School
(Math and Reading Proficiency)

Location

Quick Facts

Rank: n/an/a

Elizabeth Ide Elementary School

2000 Manning Rd
Darien, IL 60561
(630) 783-5200

Gr: PK-2 | 396 students Student-teacher ratio: 17:1 Minority enrollment: 33%

�鶹��ý Articles

January 31, 2026

Zero Tolerance Policies in Public Schools Today

An updated look at zero tolerance policies in public schools, including current trends, costs, legal concerns, and what parents need to know now.

January 31, 2026

The Pros and Cons of Tracking in Schools Today

Explore the advantages and drawbacks of academic tracking in today’s public schools, including equity, outcomes, and what parents should consider.

January 30, 2026

Budgeting Hidden Costs of Public Schooling in 2026

Learn how families budget for school lunch, after-school care, and activities, the hidden costs of public schooling in 2026.

Quick Facts (2026)

District size: 3 schools
Grades: PK-08
Enrollment: 1,130 students
Student-Teacher Ratio: 15:1
Minority Enrollment: 33%
: Top 10% in IL
: 47% (Top 10%)
: 49% (Top 20%)
: 74% (Top 10%)
Source: National Center for Education Statistics (NCES), IL Dept. of Education