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

The largest public high schools in Sangamon County, Illinois

This ranking covers the largest public high schools in Sangamon County, Illinois, drawn from 12 qualifying public high schools. Glenwood High School leads the list at 1,484, against a median of 439 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

Sangamon County, Illinois

Top Students

1,484

Median Students

439

LARGEST · SANGAMON COUNTY, ILLINOIS

#	School	City	District	Level	Students
1	Glenwood High School	Chatham, IL	Ball Chatham CUSD 5	High	1,484
2	Springfield High School	Springfield, IL	Springfield SD 186	High	1,308
3	Springfield Southeast High Sch	Springfield, IL	Springfield SD 186	High	1,229
4	Lanphier High School	Springfield, IL	Springfield SD 186	High	1,117
5	Rochester High School	Rochester, IL	Rochester CUSD 3A	High	692
6	Williamsville High School	Williamsville, IL	Williamsville CUSD 15	High	462
7	Pleasant Plains High School	Pleasant Plains, IL	Pleasant Plains CUSD 8	High	416
8	Riverton High School	Riverton, IL	Riverton CUSD 14	High	357
9	Auburn High School	Auburn, IL	Auburn CUSD 10	High	327
10	New Berlin High School	New Berlin, IL	New Berlin CUSD 16	High	256
11	Pawnee Jr/Sr High Sch	Pawnee, IL	Pawnee CUSD 11	High	247
12	Tri-City High School	Buffalo, IL	Tri City CUSD 1	High	154

Page 1 of 1 · top 12 of 12 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.