allk12 · Rankings · Highest ratio · Illinois · DuPage County · High schools

The public high schools with the highest student-to-teacher ratios in DuPage County, Illinois

23 public high schools in DuPage County, Illinois appear in this ranking of the public high schools with the highest student-to-teacher ratios, ranked by the most students per teacher, a proxy for larger classes. Glenbard West High School leads the list at 17.9:1, against a median of 14.7:1 across the ranked schools.

Sort any column, filter to a school or district, or download the full ranking as a CSV. Source data is federal NCES and state assessment reporting, 2024-25.

Schools ranked

DuPage County, Illinois

Top Students/teacher

17.9:1

Median Students/teacher

14.7:1

HIGHEST RATIO · DUPAGE COUNTY, ILLINOIS

#	School	City	District	Level	Students	Ratio
1	Glenbard West High School	Glen Ellyn, IL	Glenbard Twp HSD 87	High	2,330	17.9:1
2	Glenbard East High School	Lombard, IL	Glenbard Twp HSD 87	High	2,311	16.9:1
3	Willowbrook High School	Villa Park, IL	DuPage HSD 88	High	1,983	16.8:1
4	Addison Trail High School	Addison, IL	DuPage HSD 88	High	1,847	16.4:1
5	Waubonsie Valley High School	Aurora, IL	Indian Prairie CUSD 204	High	2,849	15.8:1
6	Glenbard South High School	Glen Ellyn, IL	Glenbard Twp HSD 87	High	1,090	15.8:1
7	Lake Park High School	Roselle, IL	Lake Park CHSD 108	High	2,522	15.2:1
8	Fenton High School	Bensenville, IL	Fenton CHSD 100	High	1,396	15.1:1
9	Glenbard North High School	Carol Stream, IL	Glenbard Twp HSD 87	High	2,079	15.1:1
10	Wheaton Warrenville South H S	Wheaton, IL	CUSD 200	High	1,864	14.9:1
11	West Chicago Comm High School	West Chicago, IL	CHSD 94	High	2,040	14.7:1
12	Comm H S Dist 99 - South High Sch	Downers Grove, IL	CHSD 99	High	2,591	14.7:1
13	Wheaton North High School	Wheaton, IL	CUSD 200	High	1,863	14.5:1
14	Metea Valley High School	Aurora, IL	Indian Prairie CUSD 204	High	2,766	14.4:1
15	Bartlett High School	Bartlett, IL	SD U-46	High	2,037	14.3:1
16	York Comm High School	Elmhurst, IL	Elmhurst SD 205	High	2,590	14.3:1
17	Hinsdale Central High School	Hinsdale, IL	Hinsdale Twp HSD 86	High	2,445	14.1:1
18	Naperville Central High School	Naperville, IL	Naperville CUSD 203	High	2,589	14.0:1
19	Comm H S Dist 99 - North H S	Downers Grove, IL	CHSD 99	High	2,082	13.7:1
20	Hinsdale South High School	Darien, IL	Hinsdale Twp HSD 86	High	1,370	12.6:1
21	Naperville North High School	Naperville, IL	Naperville CUSD 203	High	2,467	12.6:1
22	Westmont High School	Westmont, IL	CUSD 201	High	395	11.5:1
23	Lisle High School	Lisle, IL	Lisle CUSD 202	High	447	11.2:1

Page 1 of 1 · top 23 of 23 ranked. NCES + state assessment data, 2024-25.↓ Download full CSV

All schools in DuPage County →

Highest ratio rankings at a wider scope

All Illinois Nationwide

Other rankings for DuPage County, Illinois

Largest Most diverse Lowest ratio Highest proficiency Highest poverty Lowest poverty Fastest declining Lowest proficiency Most Hispanic Most Black Most White Most Asian

All ranking categories →

DATA NOTICE

allk12 is independent and not affiliated with, endorsed by, or sponsored by NCES, the US Census Bureau, any state education agency or assessment program, or any other government agency. Source data is compiled from public records and provided "as is," without warranty of accuracy or completeness. You rely on it, and any analysis derived from it, at your own risk. See the full disclaimer.