allk12 · Rankings · Largest · Illinois · Lake County · High schools

The largest public high schools in Lake County, Illinois

Across Lake County, Illinois, 21 public high schools are ranked here, ranked by total student enrollment, excluding online and virtual schools. Adlai E Stevenson High School leads the list at 4,758, against a median of 1,661 across the ranked schools.

The table below is sortable and filterable, and the full list downloads as a CSV. Figures come from federal NCES enrollment data and, where applicable, state assessment results for 2024-25.

Schools ranked

Lake County, Illinois

Top Students

4,758

Median Students

1,661

LARGEST · LAKE COUNTY, ILLINOIS

#	School	City	District	Level	Students
1	Adlai E Stevenson High School	Lincolnshire, IL	Adlai E Stevenson HSD 125	High	4,758
2	Waukegan High School	Waukegan, IL	Waukegan CUSD 60	High	4,186
3	Warren Township High School	Gurnee, IL	Warren Twp HSD 121	High	3,537
4	Barrington High School	Barrington, IL	Barrington CUSD 220	High	2,718
5	Mundelein Cons High School	Mundelein, IL	Mundelein Cons HSD 120	High	2,282
6	Round Lake Senior High School	Round Lake, IL	Round Lake CUSD 116	High	2,194
7	Zion-Benton Twnshp Hi School	Zion, IL	Zion-Benton Twp HSD 126	High	2,114
8	Lake Zurich High School	Lake Zurich, IL	Lake Zurich CUSD 95	High	1,839
9	Libertyville High School	Libertyville, IL	CHSD 128	High	1,777
10	Grant Community High School	Fox Lake, IL	Grant CHSD 124	High	1,769
11	Highland Park High School	Highland Park, IL	Twp HSD 113	High	1,661
12	Wauconda High School	Wauconda, IL	Wauconda CUSD 118	High	1,452
13	Deerfield High School	Deerfield, IL	Twp HSD 113	High	1,437
14	Vernon Hills High School	Vernon Hills, IL	CHSD 128	High	1,419
15	Grayslake Central High School	Grayslake, IL	Grayslake CHSD 127	High	1,375
16	Lake Forest High School	Lake Forest, IL	Lake Forest CHSD 115	High	1,359
17	Lakes Community High School	Lake Villa, IL	CHSD 117	High	1,334
18	Antioch Comm High School	Antioch, IL	CHSD 117	High	1,313
19	Grayslake North High School	Grayslake, IL	Grayslake CHSD 127	High	1,208
20	North Chicago Community High School	North Chicago, IL	North Chicago SD 187	High	898
21	Zion-Benton East High School	Zion, IL	Zion-Benton Twp HSD 126	High	419

Page 1 of 1 · top 21 of 21 ranked. NCES + state assessment data, 2024-25.↓ Download full CSV

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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.