allk12 · Rankings · Largest · Illinois · Winnebago County

The largest public schools in Winnebago County, Illinois

Across Winnebago County, Illinois, 81 public schools are ranked here, ranked by total student enrollment, excluding online and virtual schools. Guilford High School leads the list at 2,216, against a median of 422 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

Winnebago County, Illinois

Top Students

2,216

Median Students

422

LARGEST · WINNEBAGO COUNTY, ILLINOIS

#	School	City	District	Level	Students
1	Guilford High School	Rockford, IL	Rockford SD 205	High	2,216
2	Jefferson High School	Rockford, IL	Rockford SD 205	High	2,173
3	Auburn High School	Rockford, IL	Rockford SD 205	High	1,957
4	Harlem High School	Machesney Park, IL	Harlem UD 122	High	1,884
5	Hononegah CHD High School	Rockton, IL	Hononegah CHD 207	High	1,814
6	Rockford East High School	Rockford, IL	Rockford SD 205	High	1,719
7	Harlem Middle School	Loves Park, IL	Harlem UD 122	Middle	1,330
8	Rockford Envrnmntl Science Acad	Rockford, IL	Rockford SD 205	Middle	1,108
9	Eisenhower Middle School	Rockford, IL	Rockford SD 205	Middle	963
10	Bernard W Flinn Middle School	Rockford, IL	Rockford SD 205	Middle	807
11	West Middle School	Rockford, IL	Rockford SD 205	Middle	793
12	Abraham Lincoln Middle School	Rockford, IL	Rockford SD 205	Middle	736
13	Whitehead Elem School	Rockford, IL	Rockford SD 205	Elementary	678
14	Cherry Valley Elementary School	Rockford, IL	Rockford SD 205	Elementary	676
15	Montessori Elementary School	Rockford, IL	Rockford SD 205	Elementary	660
16	Barbour Two-Way Lang Immersion	Rockford, IL	Rockford SD 205	Elementary	628
17	Constance Lane Elementary School	Rockford, IL	Rockford SD 205	Elementary	623
18	Roscoe Middle School	Roscoe, IL	Kinnikinnick CCSD 131	Middle	596
19	Swan Hillman Elem School	Rockford, IL	Rockford SD 205	Elementary	581
20	Donald C Parker Early Educ Center	Machesney Park, IL	Harlem UD 122	Elementary	571
21	Stephen Mack Middle School	Rockton, IL	Rockton SD 140	Middle	552
22	Fairview Early Childhood Center	Rockford, IL	Rockford SD 205	Elementary	538
23	Riverdahl Elem School	Rockford, IL	Rockford SD 205	Elementary	535
24	Wm Nashold Early Childhood Center	Rockford, IL	Rockford SD 205	Elementary	530
25	Spring Creek Elem School	Rockford, IL	Rockford SD 205	Elementary	523
26	Washington Elementary School	Rockford, IL	Rockford SD 205	Elementary	523
27	West View Elem School	Rockford, IL	Rockford SD 205	Elementary	521
28	Rockton Elem School	Rockton, IL	Rockton SD 140	Elementary	518
29	Thurgood Marshall School	Rockford, IL	Rockford SD 205	Middle	514
30	Whitman Post Elem School	Rockton, IL	Rockton SD 140	Elementary	509
31	Rolling Green	Rockford, IL	Rockford SD 205	Elementary	505
32	Beyer Early Childhood Center	Rockford, IL	Rockford SD 205	Elementary	497
33	Brookview Elem School	Rockford, IL	Rockford SD 205	Elementary	484
34	R K Welsh Elem School	Rockford, IL	Rockford SD 205	Elementary	483
35	Summerdale Early Childhood Center	Rockford, IL	Rockford SD 205	Elementary	460
36	Ellis Elementary School	Rockford, IL	Rockford SD 205	Elementary	457
37	Prairie Hill Elem School	South Beloit, IL	Prairie Hill CCSD 133	Elementary	447
38	Arthur Froberg Elem School	Rockford, IL	Rockford SD 205	Elementary	426
39	C Henry Bloom Elem School	Rockford, IL	Rockford SD 205	Elementary	426
40	Maud E Johnson Elem School	Rockford, IL	Rockford SD 205	Elementary	425
41	Winnebago High School	Winnebago, IL	Winnebago CUSD 323	High	422
42	Gregory Elem School	Rockford, IL	Rockford SD 205	Elementary	418
43	McIntosh Elementary	Rockford, IL	Rockford SD 205	Elementary	398
44	Kennedy Middle School	Rockford, IL	Rockford SD 205	Middle	393
45	Clifford P Carlson Elem School	Rockford, IL	Rockford SD 205	Elementary	390
46	Galapagos Rockford Charter Sch	Rockford, IL	Rockford SD 205	Elementary	384
47	Lewis Lemon Elementary	Rockford, IL	Rockford SD 205	Elementary	378
48	Ledgewood Elem School	Roscoe, IL	Kinnikinnick CCSD 131	Elementary	375
49	Thurgood Marshall Elementary	Rockford, IL	Rockford SD 205	Elementary	374
50	Conklin Elem School	Rockford, IL	Rockford SD 205	Elementary	372

Page 1 of 2 · top 81 of 81 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.