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

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

21 public high schools in Lake 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. Barrington High School leads the list at 16.2:1, against a median of 14.4:1 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/teacher

16.2:1

Median Students/teacher

14.4:1

HIGHEST RATIO · LAKE COUNTY, ILLINOIS

#	School	City	District	Level	Students	Ratio
1	Barrington High School	Barrington, IL	Barrington CUSD 220	High	2,718	16.2:1
2	Adlai E Stevenson High School	Lincolnshire, IL	Adlai E Stevenson HSD 125	High	4,758	16.0:1
3	Mundelein Cons High School	Mundelein, IL	Mundelein Cons HSD 120	High	2,282	15.8:1
4	Warren Township High School	Gurnee, IL	Warren Twp HSD 121	High	3,537	15.6:1
5	Lakes Community High School	Lake Villa, IL	CHSD 117	High	1,334	15.6:1
6	Zion-Benton East High School	Zion, IL	Zion-Benton Twp HSD 126	High	419	15.5:1
7	Zion-Benton Twnshp Hi Sch	Zion, IL	Zion-Benton Twp HSD 126	High	2,114	15.5:1
8	North Chicago Community High Sch	North Chicago, IL	North Chicago SD 187	High	898	15.2:1
9	Grant Community High School	Fox Lake, IL	Grant CHSD 124	High	1,769	15.0:1
10	Wauconda High School	Wauconda, IL	Wauconda CUSD 118	High	1,452	14.5:1
11	Antioch Comm High School	Antioch, IL	CHSD 117	High	1,313	14.4:1
12	Lake Zurich High School	Lake Zurich, IL	Lake Zurich CUSD 95	High	1,839	14.4:1
13	Round Lake Senior High School	Round Lake, IL	Round Lake CUSD 116	High	2,194	14.2:1
14	Libertyville High School	Libertyville, IL	CHSD 128	High	1,777	13.6:1
15	Waukegan High School	Waukegan, IL	Waukegan CUSD 60	High	4,186	13.0:1
16	Grayslake Central High School	Grayslake, IL	Grayslake CHSD 127	High	1,375	12.9:1
17	Grayslake North High School	Grayslake, IL	Grayslake CHSD 127	High	1,208	12.5:1
18	Vernon Hills High School	Vernon Hills, IL	CHSD 128	High	1,419	12.4:1
19	Highland Park High School	Highland Park, IL	Twp HSD 113	High	1,661	12.1:1
20	Deerfield High School	Deerfield, IL	Twp HSD 113	High	1,437	11.6:1
21	Lake Forest High School	Lake Forest, IL	Lake Forest CHSD 115	High	1,359	10.4:1

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.