allk12 · Rankings · Lowest proficiency · Illinois · Winnebago County

The lowest-performing public schools by test proficiency in Winnebago County, Illinois

69 public schools in Winnebago County, Illinois appear in this ranking of the lowest-performing public schools by test proficiency, ranked by the lowest composite state-assessment proficiency. Lewis Lemon Elementary leads the list at 5.6%, against a median of 29.7% 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

Best % Proficient

5.6%

Median % Proficient

29.7%

LOWEST PROFICIENCY · WINNEBAGO COUNTY, ILLINOIS

#	School	City	District	Level	% FRL	Students	% Proficient
1	Lewis Lemon Elementary	Rockford, IL	Rockford SD 205	Elementary	91.8%	378	5.6%
2	Constance Lane Elementary School	Rockford, IL	Rockford SD 205	Elementary	90.5%	623	5.8%
3	Kennedy Middle School	Rockford, IL	Rockford SD 205	Middle	90.3%	393	6.3%
4	Jackson Charter School	Rockford, IL	Rockford SD 205	Elementary	36.2%	243	9.8%
5	Rockford Envrnmntl Science Acad	Rockford, IL	Rockford SD 205	Middle	80.1%	1,108	9.8%
6	Rockford East High School	Rockford, IL	Rockford SD 205	High	71.6%	1,719	11.7%
7	Julia Lathrop Elem School	Rockford, IL	Rockford SD 205	Elementary	84.3%	357	11.7%
8	Ellis Elementary School	Rockford, IL	Rockford SD 205	Elementary	92.8%	457	12.2%
9	Jefferson High School	Rockford, IL	Rockford SD 205	High	70.0%	2,173	12.6%
10	Riverdahl Elem School	Rockford, IL	Rockford SD 205	Elementary	87.7%	535	12.9%
11	Washington Elementary School	Rockford, IL	Rockford SD 205	Elementary	83.0%	523	13.2%
12	R K Welsh Elem School	Rockford, IL	Rockford SD 205	Elementary	87.4%	483	14.6%
13	Abraham Lincoln Middle School	Rockford, IL	Rockford SD 205	Middle	80.2%	736	14.9%
14	Conklin Elem School	Rockford, IL	Rockford SD 205	Elementary	77.4%	372	15.2%
15	McIntosh Elementary	Rockford, IL	Rockford SD 205	Elementary	91.5%	398	15.3%
16	Blackhawk Elementary School	South Beloit, IL	County of Winnebago SD 320	Middle	50.4%	139	16.1%
17	West Middle School	Rockford, IL	Rockford SD 205	Middle	79.3%	793	16.2%
18	C Henry Bloom Elem School	Rockford, IL	Rockford SD 205	Elementary	79.1%	426	18.1%
19	Gregory Elem School	Rockford, IL	Rockford SD 205	Elementary	76.8%	418	19.0%
20	Bernard W Flinn Middle School	Rockford, IL	Rockford SD 205	Middle	69.5%	807	20.4%
21	Galapagos Rockford Charter Sch	Rockford, IL	Rockford SD 205	Elementary	24.7%	384	20.8%
22	Rock Cut Elem School	Loves Park, IL	Harlem UD 122	Elementary	67.4%	261	21.3%
23	Whitehead Elem School	Rockford, IL	Rockford SD 205	Elementary	80.7%	678	22.0%
24	Eisenhower Middle School	Rockford, IL	Rockford SD 205	Middle	59.3%	963	22.4%
25	Legacy Acad of Excellence Charter	Rockford, IL	Rockford SD 205	Elementary	19.7%	234	25.1%
26	Rolling Green	Rockford, IL	Rockford SD 205	Elementary	78.8%	505	25.3%
27	Arthur Froberg Elem School	Rockford, IL	Rockford SD 205	Elementary	71.8%	426	25.8%
28	Guilford High School	Rockford, IL	Rockford SD 205	High	58.7%	2,216	27.2%
29	Swan Hillman Elem School	Rockford, IL	Rockford SD 205	Elementary	74.5%	581	27.3%
30	West View Elem School	Rockford, IL	Rockford SD 205	Elementary	85.8%	521	27.4%
31	Maud E Johnson Elem School	Rockford, IL	Rockford SD 205	Elementary	72.0%	425	27.6%
32	Windsor Elem School	Loves Park, IL	Harlem UD 122	Elementary	70.2%	315	28.0%
33	Clifford P Carlson Elem School	Rockford, IL	Rockford SD 205	Elementary	74.6%	390	29.7%
34	Riverview Elementary School	South Beloit, IL	County of Winnebago SD 320	Elementary	64.8%	199	29.7%
35	Barbour Two-Way Lang Immersion	Rockford, IL	Rockford SD 205	Elementary	72.1%	628	29.7%
36	South Beloit Jr High School	South Beloit, IL	County of Winnebago SD 320	Middle	50.0%	118	29.8%
37	Harlem High School	Machesney Park, IL	Harlem UD 122	High	54.7%	1,884	30.6%
38	Marquette Elem School	Machesney Park, IL	Harlem UD 122	Elementary	67.2%	268	30.6%
39	Spring Creek Elem School	Rockford, IL	Rockford SD 205	Elementary	53.0%	523	31.1%
40	Auburn High School	Rockford, IL	Rockford SD 205	High	67.1%	1,957	31.5%
41	Maple Elem School	Loves Park, IL	Harlem UD 122	Elementary	74.8%	313	31.9%
42	Loves Park Elem School	Loves Park, IL	Harlem UD 122	Elementary	76.3%	279	32.4%
43	Machesney Elem School	Machesney Park, IL	Harlem UD 122	Elementary	63.7%	361	33.8%
44	Harlem Middle School	Loves Park, IL	Harlem UD 122	Middle	60.2%	1,330	33.9%
45	Cherry Valley Elementary School	Rockford, IL	Rockford SD 205	Elementary	64.2%	676	35.3%
46	South Beloit Sr High School	South Beloit, IL	County of Winnebago SD 320	High	60.6%	254	35.4%
47	Durand High School	Durand, IL	Durand CUSD 322	High	32.4%	170	35.9%
48	Ralston Elem School	Machesney Park, IL	Harlem UD 122	Elementary	45.3%	232	40.9%
49	Pecatonica Comm Middle School	Pecatonica, IL	Pecatonica CUSD 321	Middle	33.5%	269	43.1%
50	Winnebago Middle School	Winnebago, IL	Winnebago CUSD 323	Middle	31.4%	296	44.3%

Page 1 of 2 · top 69 of 69 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.