For the 2025-26 school year, there are 17 public high schools serving 17,093 students in Mchenry County, IL.
The top ranked public high schools in Mchenry County, IL are Cary-grove Community High School, Prairie Ridge High School and Richmond-burton High School. Overall testing rank is based on a school's combined math and reading proficiency test score ranking.
Mchenry County, IL public high schools have an average math proficiency score of 31% (versus the Illinois public high school average of 26%), and reading proficiency score of 36% (versus the 29% statewide average). High schools in Mchenry County have an average ranking of 10/10, which is in the top 10% of Illinois public high schools.
Mchenry County, IL public high school have a Graduation Rate of 93%, which is more than the Illinois average of 87%.
The school with highest graduation rate is Harry D Jacobs High School, with 97% graduation rate. Read more about public school graduation rate statistics in Illinois or national school graduation rate statistics.
Minority enrollment is 33% of the student body (majority Hispanic), which is less than the Illinois public high school average of 55% (majority Hispanic).
Best Public High Schools in Mchenry County (2025-26)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Quick Facts
Rank: #11.
Cary-grove Community High School
(Math: 40% | Reading: 41%)
Rank:
Rank:
8/
Top 30%10
2208 3 Oaks Rd
Cary, IL 60013
(847) 639-3825
Cary, IL 60013
(847) 639-3825
Gr: 9-12 | 1,413 student Student-teacher ratio: 17:1 Minority enrollment: 25%
Rank: #22.
Prairie Ridge High School
(Math: 41% | Reading: 40%)
Rank:
Rank:
8/
Top 30%10
6000 Dvorak Dr
Crystal Lake, IL 60012
(815) 479-0404
Crystal Lake, IL 60012
(815) 479-0404
Gr: 9-12 | 1,138 student Student-teacher ratio: 16:1 Minority enrollment: 19%
Rank: #33.
Richmond-burton High School
(Math: 40-44% | Reading: 35-39%)
Rank:
Rank:
8/
Top 30%10
8311 Il Route 31
Richmond, IL 60071
(815) 678-4242
Richmond, IL 60071
(815) 678-4242
Gr: 9-12 | 534 students Student-teacher ratio: 12:1 Minority enrollment: 17%
Rank: #44.
Huntley High School
(Math: 34% | Reading: 46%)
Rank:
Rank:
8/
Top 30%10
13719 Harmony Rd
Huntley, IL 60142
(847) 659-6600
Huntley, IL 60142
(847) 659-6600
Gr: 9-12 | 2,856 students Student-teacher ratio: 16:1 Minority enrollment: 27%
Rank: #55.
Harry D Jacobs High School
(Math: 34% | Reading: 41%)
Rank:
Rank:
8/
Top 30%10
2601 Bunker Hill Dr
Algonquin, IL 60102
(847) 532-6100
Algonquin, IL 60102
(847) 532-6100
Gr: 9-12 | 2,062 students Student-teacher ratio: 15:1 Minority enrollment: 42%
Rank: #66.
Woodstock High School
(Math: 28% | Reading: 40%)
Rank:
Rank:
8/
Top 30%10
501 W South St
Woodstock, IL 60098
(815) 338-4370
Woodstock, IL 60098
(815) 338-4370
Gr: 9-12 | 1,037 student Student-teacher ratio: 16:1 Minority enrollment: 46%
Rank: #77.
Crystal Lake South High School
(Math: 26% | Reading: 41%)
Rank:
Rank:
7/
Top 50%10
1200 S Mchenry Ave
Crystal Lake, IL 60014
(815) 455-3860
Crystal Lake, IL 60014
(815) 455-3860
Gr: 9-12 | 1,291 student Student-teacher ratio: 17:1 Minority enrollment: 32%
Rank: #88.
Johnsburg High School
(Math: 30-34% | Reading: 30-34%)
Rank:
Rank:
7/
Top 50%10
2002 W Ringwood Rd
Mchenry, IL 60051
(815) 385-9233
Mchenry, IL 60051
(815) 385-9233
Gr: 9-12 | 530 students Student-teacher ratio: 14:1 Minority enrollment: 15%
Rank: #99.
Crystal Lake Central High School
(Math: 31% | Reading: 34%)
Rank:
Rank:
7/
Top 50%10
45 W Franklin Ave
Crystal Lake, IL 60014
(815) 459-2505
Crystal Lake, IL 60014
(815) 459-2505
Gr: 9-12 | 1,498 student Student-teacher ratio: 18:1 Minority enrollment: 33%
Rank: #1010.
Woodstock North High School
(Math: 29% | Reading: 33%)
Rank:
Rank:
7/
Top 50%10
3000 Raffel Rd
Woodstock, IL 60098
(815) 334-2100
Woodstock, IL 60098
(815) 334-2100
Gr: 8-12 | 908 students Student-teacher ratio: 14:1 Minority enrollment: 41%
Rank: #1111.
Marengo High School
(Math: 25-29% | Reading: 30-34%)
Rank:
Rank:
7/
Top 50%10
110 Franks Rd
Marengo, IL 60152
(815) 568-6511
Marengo, IL 60152
(815) 568-6511
Gr: 9-12 | 689 students Student-teacher ratio: 14:1 Minority enrollment: 33%
Rank: #1212.
Alden-hebron High School
(Math: ≤20% | Reading: 21-39%)
Rank:
Rank:
6/
Top 50%10
9604 Illinois St
Hebron, IL 60034
(815) 648-2442
Hebron, IL 60034
(815) 648-2442
Gr: 9-12 | 108 students Student-teacher ratio: 9:1 Minority enrollment: 30%
Rank: #1313.
Mchenry Community High School
(Math: 24% | Reading: 24%)
Rank:
Rank:
6/
Top 50%10
1012 N Green St, Freshman Camp
Mchenry, IL 60050
(815) 759-5514
Mchenry, IL 60050
(815) 759-5514
Gr: 9-12 | 2,231 students Student-teacher ratio: 15:1 Minority enrollment: 31%
Rank: #1414.
Clay Academy
(Math: ≤20% | Reading: ≤20% )
Rank:
Rank:
5/
Bottom 50%10
112 Grove St
Woodstock, IL 60098
(815) 337-2529
Woodstock, IL 60098
(815) 337-2529
Gr: PK-12
Rank: #1515.
Haber Oaks Campus
Alternative School
(Math: ≤10% | Reading: ≤10% )
Rank:
Rank:
2/
Bottom 50%10
1200 S Mchenry Ave
Crystal Lake, IL 60014
(815) 893-5300
Crystal Lake, IL 60014
(815) 893-5300
Gr: 9-12
Rank: #1616.
Harvard High School
(Math: 6-9% | Reading: 10-14%)
Rank:
Rank:
2/
Bottom 50%10
1103 N Jefferson St
Harvard, IL 60033
(815) 943-6461
Harvard, IL 60033
(815) 943-6461
Gr: 9-12 | 798 students Student-teacher ratio: 11:1 Minority enrollment: 75%
Rank: n/an/a
Innovation Academy
Alternative School
3917 Mercy Dr
Mchenry, IL 60050
(815) 239-0001
Mchenry, IL 60050
(815) 239-0001
Gr: 4-12
Mchenry County 51³Ô¹ÏÍøºÚÁÏ (Closed)
School
Location
Quick Facts
Evergreen Academy (Closed 2024)
Alternative School
6506 National St, Evergreen Ac
Mchenry, IL 60050
(815) 334-4055
Mchenry, IL 60050
(815) 334-4055
Gr: 6-12
6506 National St
Union, IL 60180
(815) 923-2665
Union, IL 60180
(815) 923-2665
Gr: PK-1 | 276 students Student-teacher ratio: 25:1 Minority enrollment: 28%
13721 Harmony Road
Huntley, IL 60142
(847) 659-6500
Huntley, IL 60142
(847) 659-6500
Gr: 6-8 | 1,294 student Student-teacher ratio: 18:1 Minority enrollment: 21%
Huntley North School (Closed 2023)
Special Education School
11302 Lincoln St
Huntley, IL 60142
(847) 659-6158
Huntley, IL 60142
(847) 659-6158
Gr: PK | 93 students Student-teacher ratio: 23:1 Minority enrollment: 23%
820 Darlington Ln
Crystal Lake, IL 60014
(815) 459-4231
Crystal Lake, IL 60014
(815) 459-4231
Gr: K-5 | 545 students Student-teacher ratio: 17:1 Minority enrollment: 22%
Mchenry County Coop For Employ (Closed 2004)
Vocational School
666 Russel Ct Ste106
Woodstock, IL 60098
(815) 338-2616
Woodstock, IL 60098
(815) 338-2616
Mchenry County Coop For Employ (Closed 2005)
Vocational School
8900 Us Highway 14
Crystal Lake, IL 60012
(815) 479-7811
Crystal Lake, IL 60012
(815) 479-7811
Mchenry County Coop For Employ High School (Closed 2013)
Vocational School
2200 North Seminary Ave
Woodstock, IL 60098
(815) 334-0183
Woodstock, IL 60098
(815) 334-0183
Gr: 9-12
1012 N Green St
Mchenry, IL 60050
(815) 385-1145
Mchenry, IL 60050
(815) 385-1145
Gr: 9-12 | 649 students Minority enrollment: 21%
4724 W Crystal Lake Rd
Mchenry, IL 60050
(815) 385-7077
Mchenry, IL 60050
(815) 385-7077
Gr: 9-12 | 1,537 student Minority enrollment: 30%
New Beginnings Center (Closed 2014)
Special Education School
6506 National St
Union, IL 60180
(815) 338-3622
Union, IL 60180
(815) 338-3622
Gr: 7-12 | 10 students Student-teacher ratio: 1:1 Minority enrollment: 40%
409 N 1st St
Cary, IL 60013
(847) 639-3841
Cary, IL 60013
(847) 639-3841
Gr: K-4 | 314 students Minority enrollment: 24%
233 East Oriole Trl
Cary, IL 60013
(847) 516-5513
Cary, IL 60013
(847) 516-5513
Gr: 5-6 | 674 students Student-teacher ratio: 24:1 Minority enrollment: 17%
Sedom Center (Closed 2023)
Special Education School
1200 Claussen Dr
Woodstock, IL 60098
(815) 338-7411
Woodstock, IL 60098
(815) 338-7411
Gr: PK-12
Frequently Asked Questions
What are the top ranked public high schools in Mchenry County, IL?
The top ranked public high schools in Mchenry County, IL include Cary-grove Community High School, Prairie Ridge High School and Richmond-burton High School.
How many public high schools are located in Mchenry County?
17 public high schools are located in Mchenry County.
What is the racial composition of students in Mchenry County?
Mchenry County public high schools minority enrollment is 33% of the student body (majority Hispanic), which is less than the Illinois public high schools average of 55% (majority Hispanic).
Which public high schools in Mchenry County are often viewed compared to one another?
Popular comparisons of public high schools in Mchenry County include: Marengo High School vs. Harvard High School, Woodstock High School vs. Woodstock North High School, Woodstock North High School vs. Woodstock High School
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