allk12 · Rankings · Best in science · Illinois · Winnebago County

The highest-performing public schools in science in Winnebago County, Illinois

Across Winnebago County, Illinois, 63 public schools are ranked here, ranked by the share of students meeting or exceeding the state science standard. Thurgood Marshall School leads the list at 96.8%, against a median of 28.4% 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 % Proficient (Science)

96.8%

Median % Proficient (Science)

28.4%

BEST IN SCIENCE · WINNEBAGO COUNTY, ILLINOIS

#	School	City	District	Level	Students	% Proficient (Science)
1	Thurgood Marshall School	Rockford, IL	Rockford SD 205	Middle	514	96.8%
2	Hononegah CHD High School	Rockton, IL	Hononegah CHD 207	High	1,814	76.9%
3	Pecatonica High School	Pecatonica, IL	Pecatonica CUSD 321	High	313	68.9%
4	Winnebago High School	Winnebago, IL	Winnebago CUSD 323	High	422	66.7%
5	Whitman Post Elem School	Rockton, IL	Rockton SD 140	Elementary	509	64.5%
6	Roscoe Middle School	Roscoe, IL	Kinnikinnick CCSD 131	Middle	596	64.0%
7	Stephen Mack Middle School	Rockton, IL	Rockton SD 140	Middle	552	59.7%
8	Willowbrook Middle School	South Beloit, IL	Prairie Hill CCSD 133	Middle	348	59.2%
9	Harlem High School	Machesney Park, IL	Harlem UD 122	High	1,884	58.4%
10	Kinnikinnick School	Roscoe, IL	Kinnikinnick CCSD 131	Elementary	350	55.9%
11	Haskell Elementary School	Rockford, IL	Rockford SD 205	Elementary	301	52.3%
12	Montessori Elementary School	Rockford, IL	Rockford SD 205	Elementary	660	52.0%
13	Winnebago Middle School	Winnebago, IL	Winnebago CUSD 323	Middle	296	51.5%
14	Olson Park Elem School	Machesney Park, IL	Harlem UD 122	Elementary	294	48.7%
15	Pecatonica Comm Middle School	Pecatonica, IL	Pecatonica CUSD 321	Middle	269	48.6%
16	Brookview Elem School	Rockford, IL	Rockford SD 205	Elementary	484	45.3%
17	Durand Elem School	Durand, IL	Durand CUSD 322	Elementary	281	44.7%
18	Guilford High School	Rockford, IL	Rockford SD 205	High	2,216	44.5%
19	Jean McNair Elementary School	Winnebago, IL	Winnebago CUSD 323	Elementary	252	44.0%
20	Durand High School	Durand, IL	Durand CUSD 322	High	170	43.9%
21	Auburn High School	Rockford, IL	Rockford SD 205	High	1,957	42.2%
22	South Beloit Sr High School	South Beloit, IL	County of Winnebago SD 320	High	254	40.0%
23	Ralston Elem School	Machesney Park, IL	Harlem UD 122	Elementary	232	38.2%
24	Loves Park Elem School	Loves Park, IL	Harlem UD 122	Elementary	279	37.8%
25	Harlem Middle School	Loves Park, IL	Harlem UD 122	Middle	1,330	36.8%
26	Swan Hillman Elem School	Rockford, IL	Rockford SD 205	Elementary	581	33.7%
27	Cherry Valley Elementary School	Rockford, IL	Rockford SD 205	Elementary	676	33.6%
28	Windsor Elem School	Loves Park, IL	Harlem UD 122	Elementary	315	31.1%
29	Legacy Acad of Excellence Charter	Rockford, IL	Rockford SD 205	Elementary	234	31.0%
30	South Beloit Jr High School	South Beloit, IL	County of Winnebago SD 320	Middle	118	30.6%
31	Jefferson High School	Rockford, IL	Rockford SD 205	High	2,173	28.8%
32	Machesney Elem School	Machesney Park, IL	Harlem UD 122	Elementary	361	28.4%
33	Barbour Two-Way Lang Immersion	Rockford, IL	Rockford SD 205	Elementary	628	28.2%
34	Arthur Froberg Elem School	Rockford, IL	Rockford SD 205	Elementary	426	27.6%
35	Spring Creek Elem School	Rockford, IL	Rockford SD 205	Elementary	523	25.9%
36	Bernard W Flinn Middle School	Rockford, IL	Rockford SD 205	Middle	807	25.5%
37	Eisenhower Middle School	Rockford, IL	Rockford SD 205	Middle	963	25.1%
38	Rolling Green	Rockford, IL	Rockford SD 205	Elementary	505	25.0%
39	Maud E Johnson Elem School	Rockford, IL	Rockford SD 205	Elementary	425	23.7%
40	R K Welsh Elem School	Rockford, IL	Rockford SD 205	Elementary	483	20.9%
41	West Middle School	Rockford, IL	Rockford SD 205	Middle	793	19.3%
42	Maple Elem School	Loves Park, IL	Harlem UD 122	Elementary	313	17.1%
43	Whitehead Elem School	Rockford, IL	Rockford SD 205	Elementary	678	17.1%
44	Rock Cut Elem School	Loves Park, IL	Harlem UD 122	Elementary	261	16.3%
45	Riverdahl Elem School	Rockford, IL	Rockford SD 205	Elementary	535	15.7%
46	West View Elem School	Rockford, IL	Rockford SD 205	Elementary	521	15.5%
47	McIntosh Elementary	Rockford, IL	Rockford SD 205	Elementary	398	15.0%
48	Rockford East High School	Rockford, IL	Rockford SD 205	High	1,719	15.0%
49	Blackhawk Elementary School	South Beloit, IL	County of Winnebago SD 320	Middle	139	14.9%
50	Galapagos Rockford Charter Sch	Rockford, IL	Rockford SD 205	Elementary	384	14.5%

Page 1 of 2 · top 63 of 63 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.