allk12 · Rankings · Lowest ratio · Illinois · McHenry County

The public schools with the lowest student-to-teacher ratios in McHenry County, Illinois

Across McHenry County, Illinois, 78 public schools are ranked here, ranked by the fewest students per teacher, a proxy for class size and staffing. Algonquin Middle School leads the list at 8.8:1, against a median of 13.2:1 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 Students/teacher

8.8:1

Median Students/teacher

13.2:1

LOWEST RATIO · MCHENRY COUNTY, ILLINOIS

#	School	City	District	Level	Students	Ratio
1	Algonquin Middle School	Algonquin, IL	CUSD 300	Middle	370	8.8:1
2	Jefferson Elem School	Harvard, IL	Harvard CUSD 50	Elementary	319	9.4:1
3	Glacier Ridge Elementary School	Crystal Lake, IL	Crystal Lake CCSD 47	Elementary	360	9.9:1
4	Harvard High School	Harvard, IL	Harvard CUSD 50	High	815	10.4:1
5	Eastview Elem School	Algonquin, IL	CUSD 300	Elementary	401	10.5:1
6	Crosby Elem Sch	Harvard, IL	Harvard CUSD 50	Elementary	655	10.6:1
7	Alden Hebron Elem School	Hebron, IL	Alden Hebron SD 19	Elementary	210	10.6:1
8	Three Oaks School	Cary, IL	Cary CCSD 26	Elementary	443	10.7:1
9	Edgebrook Elem School	Mchenry, IL	McHenry CCSD 15	Elementary	494	10.7:1
10	Prairie Grove Junior High School	Crystal Lake, IL	Prairie Grove CSD 46	Middle	357	10.8:1
11	South Elem School	Crystal Lake, IL	Crystal Lake CCSD 47	Elementary	390	10.9:1
12	Harrison Elem School	Wonder Lake, IL	Harrison SD 36	Elementary	447	11.3:1
13	Parkland School	McHenry, IL	McHenry CCSD 15	Middle	645	11.3:1
14	Richard F Bernotas Middle Sch	Crystal Lake, IL	Crystal Lake CCSD 47	Middle	737	11.4:1
15	Harvard Jr High School	Harvard, IL	Harvard CUSD 50	Middle	593	11.6:1
16	Riley Comm Cons School	Marengo, IL	Riley CCSD 18	Elementary	277	11.6:1
17	Chauncey H Duker School	McHenry, IL	McHenry CCSD 15	Elementary	433	11.7:1
18	McHenry Middle School	McHenry, IL	McHenry CCSD 15	Middle	695	11.8:1
19	Valley View Elem School	Mchenry, IL	McHenry CCSD 15	Elementary	526	11.9:1
20	Cotton Creek School	Island Lake, IL	Wauconda CUSD 118	Elementary	580	12.0:1
21	Richmond-Burton High School	Richmond, IL	Richmond-Burton CHSD 157	High	521	12.1:1
22	Woods Creek Elementary School	Crystal Lake, IL	Crystal Lake CCSD 47	Elementary	489	12.2:1
23	Spring Grove Elementary School	Spring Grove, IL	Nippersink SD 2	Elementary	327	12.2:1
24	Kenneth E Neubert Elem School	Algonquin, IL	CUSD 300	Elementary	445	12.3:1
25	Cary Jr High School	Cary, IL	Cary CCSD 26	Middle	761	12.5:1
26	Hilltop Elem School	McHenry, IL	McHenry CCSD 15	Elementary	424	12.5:1
27	Nippersink Middle School	Richmond, IL	Nippersink SD 2	Middle	377	12.6:1
28	Indian Prairie Elem School	Crystal Lake, IL	Crystal Lake CCSD 47	Elementary	496	12.6:1
29	Northwood Middle School	Woodstock, IL	Woodstock CUSD 200	Middle	576	12.7:1
30	Canterbury Elem School	Crystal Lake, IL	Crystal Lake CCSD 47	Elementary	486	12.9:1
31	North Elem School	Crystal Lake, IL	Crystal Lake CCSD 47	Elementary	638	12.9:1
32	Prairie Grove Elem School	Crystal Lake, IL	Prairie Grove CSD 46	Elementary	552	13.0:1
33	Richmond Grade School	Richmond, IL	Nippersink SD 2	Elementary	407	13.0:1
34	Leggee Elementary School	Huntley, IL	Huntley Comm Sch Dist 158	Elementary	877	13.1:1
35	Coventry Elem School	Crystal Lake, IL	Crystal Lake CCSD 47	Elementary	629	13.1:1
36	Dean Street Elem School	Woodstock, IL	Woodstock CUSD 200	Elementary	302	13.1:1
37	Heineman Middle School	Algonquin, IL	Huntley Comm Sch Dist 158	Middle	724	13.2:1
38	Riverwood Elementary School	McHenry, IL	McHenry CCSD 15	Elementary	619	13.2:1
39	Johnsburg High School	Johnsburg, IL	Johnsburg CUSD 12	High	502	13.2:1
40	Lundahl Middle School	Crystal Lake, IL	Crystal Lake CCSD 47	Middle	797	13.3:1
41	Algonquin Road Elem School	Fox River Grove, IL	Fox River Grove Cons SD 3	Elementary	239	13.3:1
42	Chesak Elementary School	Lake in the Hills, IL	Huntley Comm Sch Dist 158	Elementary	643	13.4:1
43	Martin Elementary School	Lake in the Hills, IL	Huntley Comm Sch Dist 158	Elementary	776	13.4:1
44	Creekside Middle School	Woodstock, IL	Woodstock CUSD 200	Middle	736	13.7:1
45	Marlowe Middle School	Lake in the Hills, IL	Huntley Comm Sch Dist 158	Middle	1,215	13.8:1
46	Conley Elementary School	Algonquin, IL	Huntley Comm Sch Dist 158	Elementary	598	13.9:1
47	Ringwood School Primary Ctr	Ringwood, IL	Johnsburg CUSD 12	Elementary	420	14.0:1
48	Hannah Beardsley Middle School	Crystal Lake, IL	Crystal Lake CCSD 47	Middle	829	14.1:1
49	Lincoln Prairie Elem School	Lake In The Hills, IL	CUSD 300	Elementary	479	14.1:1
50	Deer Path Elem School	Cary, IL	Cary CCSD 26	Elementary	452	14.2:1

Page 1 of 2 · top 78 of 78 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.