allk12 · Rankings · Lowest proficiency · Illinois · McHenry County

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

This ranking covers the lowest-performing public schools by test proficiency in McHenry County, Illinois, drawn from 74 qualifying public schools. Crosby Elem Sch leads the list at 10.6%, against a median of 49.4% across the ranked schools.

Use the search box to find a specific school within this ranking, sort by any column, or export the full list. Built from NCES and state data for 2024-25.

Schools ranked

McHenry County, Illinois

Best % Proficient

10.6%

Median % Proficient

49.4%

LOWEST PROFICIENCY · MCHENRY COUNTY, ILLINOIS

#	School	City	District	Level	% FRL	Students	% Proficient
1	Crosby Elem Sch	Harvard, IL	Harvard CUSD 50	Elementary	64.3%	655	10.6%
2	Jefferson Elem School	Harvard, IL	Harvard CUSD 50	Elementary	55.5%	319	18.6%
3	Harvard High School	Harvard, IL	Harvard CUSD 50	High	44.5%	815	19.7%
4	Harvard Jr High School	Harvard, IL	Harvard CUSD 50	Middle	59.9%	593	23.5%
5	Canterbury Elem School	Crystal Lake, IL	Crystal Lake CCSD 47	Elementary	54.5%	486	28.2%
6	Harrison Elem School	Wonder Lake, IL	Harrison SD 36	Elementary	56.2%	447	31.5%
7	Johnsburg Jr High School	Johnsburg, IL	Johnsburg CUSD 12	Middle	31.4%	373	31.9%
8	Chauncey H Duker School	McHenry, IL	McHenry CCSD 15	Elementary	43.2%	433	35.5%
9	Lake in the Hills Elem School	Lk In The Hls, IL	CUSD 300	Elementary	62.5%	502	36.0%
10	Ulysses S Grant Intermediate Sch	Marengo, IL	Marengo-Union E Cons D 165	Elementary	58.6%	249	37.6%
11	Coventry Elem School	Crystal Lake, IL	Crystal Lake CCSD 47	Elementary	47.7%	629	38.9%
12	McHenry Community High School	Mchenry, IL	McHenry CHSD 156	High	37.7%	2,214	39.3%
13	Dean Street Elem School	Woodstock, IL	Woodstock CUSD 200	Elementary	53.3%	302	40.1%
14	Hilltop Elem School	McHenry, IL	McHenry CCSD 15	Elementary	44.8%	424	40.5%
15	McHenry Middle School	McHenry, IL	McHenry CCSD 15	Middle	40.6%	695	42.6%
16	Lundahl Middle School	Crystal Lake, IL	Crystal Lake CCSD 47	Middle	35.4%	797	42.7%
17	Woodstock North High School	Woodstock, IL	Woodstock CUSD 200	High	40.3%	915	42.8%
18	Johnsburg Elementary School	Johnsburg, IL	Johnsburg CUSD 12	Elementary	34.7%	386	43.8%
19	Fox River Grove Middle School	Fox River Grove, IL	Fox River Grove Cons SD 3	Middle	20.7%	174	43.9%
20	Harry D Jacobs High School	Algonquin, IL	CUSD 300	High	40.3%	2,056	44.0%
21	Riverwood Elementary School	McHenry, IL	McHenry CCSD 15	Elementary	41.4%	619	44.2%
22	Husmann Elem School	Crystal Lake, IL	Crystal Lake CCSD 47	Elementary	24.7%	518	44.3%
23	Johnsburg High School	Johnsburg, IL	Johnsburg CUSD 12	High	32.1%	502	44.3%
24	Marengo Comm Middle School	Marengo, IL	Marengo-Union E Cons D 165	Middle	55.0%	342	44.4%
25	Marengo High School	Marengo, IL	Marengo CHSD 154	High	31.7%	685	44.8%
26	Crystal Lake Central High School	Crystal Lake, IL	CHSD 155	High	35.3%	1,443	45.3%
27	Prairiewood Elem Sch	Woodstock, IL	Woodstock CUSD 200	Elementary	44.9%	374	46.0%
28	Alden-Hebron High School	Hebron, IL	Alden Hebron SD 19	High	44.6%	112	46.5%
29	Crystal Lake South High School	Crystal Lake, IL	CHSD 155	High	32.1%	1,279	46.5%
30	Richard F Bernotas Middle Sch	Crystal Lake, IL	Crystal Lake CCSD 47	Middle	28.0%	737	46.6%
31	Hannah Beardsley Middle School	Crystal Lake, IL	Crystal Lake CCSD 47	Middle	37.8%	829	46.9%
32	Mary Endres Elementary School	Woodstock, IL	Woodstock CUSD 200	Elementary	55.9%	431	47.3%
33	Parkland School	McHenry, IL	McHenry CCSD 15	Middle	37.7%	645	47.3%
34	Valley View Elem School	Mchenry, IL	McHenry CCSD 15	Elementary	38.6%	526	47.4%
35	Greenwood Elem School	Woodstock, IL	Woodstock CUSD 200	Elementary	29.3%	290	48.2%
36	Algonquin Middle School	Algonquin, IL	CUSD 300	Middle	56.5%	370	49.0%
37	Edgebrook Elem School	Mchenry, IL	McHenry CCSD 15	Elementary	46.0%	494	49.1%
38	Cary Jr High School	Cary, IL	Cary CCSD 26	Middle	28.5%	761	49.6%
39	Westwood Elem School	Woodstock, IL	Woodstock CUSD 200	Elementary	51.7%	385	50.3%
40	Olson Elementary School	Woodstock, IL	Woodstock CUSD 200	Elementary	46.8%	425	50.4%
41	Cotton Creek School	Island Lake, IL	Wauconda CUSD 118	Elementary	36.4%	580	51.3%
42	Glacier Ridge Elementary School	Crystal Lake, IL	Crystal Lake CCSD 47	Elementary	28.6%	360	51.4%
43	Deer Path Elem School	Cary, IL	Cary CCSD 26	Elementary	25.7%	452	51.5%
44	Prairie Grove Junior High School	Crystal Lake, IL	Prairie Grove CSD 46	Middle	22.7%	357	51.6%
45	West Elem School	Crystal Lake, IL	Crystal Lake CCSD 47	Elementary	28.7%	520	51.6%
46	Woodstock High School	Woodstock, IL	Woodstock CUSD 200	High	44.5%	988	51.7%
47	Locust Elem School	Marengo, IL	Marengo-Union E Cons D 165	Elementary	55.5%	501	51.9%
48	Three Oaks School	Cary, IL	Cary CCSD 26	Elementary	33.0%	443	52.1%
49	Algonquin Road Elem School	Fox River Grove, IL	Fox River Grove Cons SD 3	Elementary	23.8%	239	52.4%
50	Indian Prairie Elem School	Crystal Lake, IL	Crystal Lake CCSD 47	Elementary	36.9%	496	52.7%

Page 1 of 2 · top 74 of 74 ranked. NCES + state assessment data, 2024-25.↓ Download full CSV

All schools in McHenry County →

Lowest proficiency rankings at a wider scope

All Illinois Nationwide

Other rankings for McHenry County, Illinois

Largest Most diverse Lowest ratio Highest proficiency Fastest growing Highest poverty Lowest poverty Highest ratio Fastest declining Most Hispanic Most Black Most White Most Asian

All ranking categories →

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.