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Public School Review - Established 2003

Best Mchenry County Public High Schools (2026)

For the 2026 school year, there are 18 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 (2026)

School
(Math and Reading Proficiency)
Location
Quick Facts
Rank: #11.
Cary-grove Community High School
(Math: 40% | Reading: 41%)
Rank:
8/
10
Top 30%
2208 3 Oaks Rd
Cary, IL 60013
(847) 639-3825
Gr: 9-12 | 1,348 students Student-teacher ratio: 18:1 Minority enrollment: 27%
Rank: #22.
Prairie Ridge High School
(Math: 41% | Reading: 40%)
Rank:
8/
10
Top 30%
6000 Dvorak Dr
Crystal Lake, IL 60012
(815) 479-0404
Gr: 9-12 | 1,133 students Student-teacher ratio: 16:1 Minority enrollment: 20%
Rank: #33.
Richmond-burton High School
(Math: 40-44% | Reading: 35-39%)
Rank:
8/
10
Top 30%
8311 Il Route 31
Richmond, IL 60071
(815) 678-4242
Gr: 9-12 | 521 students Student-teacher ratio: 12:1 Minority enrollment: 15%
Rank: #44.
Huntley High School
(Math: 34% | Reading: 46%)
Rank:
8/
10
Top 30%
13719 Harmony Rd
Huntley, IL 60142
(847) 659-6600
Gr: 9-12 | 2,804 students Student-teacher ratio: 16:1 Minority enrollment: 29%
Rank: #55.
Harry D Jacobs High School
(Math: 34% | Reading: 41%)
Rank:
8/
10
Top 30%
2601 Bunker Hill Dr
Algonquin, IL 60102
(847) 532-6100
Gr: 9-12 | 2,056 students Student-teacher ratio: 15:1 Minority enrollment: 43%
Rank: #66.
Woodstock High School
(Math: 28% | Reading: 40%)
Rank:
8/
10
Top 30%
501 W South St
Woodstock, IL 60098
(815) 338-4370
Gr: 9-12 | 988 students Student-teacher ratio: 15:1 Minority enrollment: 48%
Rank: #77.
Crystal Lake South High School
(Math: 26% | Reading: 41%)
Rank:
7/
10
Top 50%
1200 S Mchenry Ave
Crystal Lake, IL 60014
(815) 455-3860
Gr: 9-12 | 1,279 students Student-teacher ratio: 16:1 Minority enrollment: 35%
Rank: #88.
Johnsburg High School
(Math: 30-34% | Reading: 30-34%)
Rank:
7/
10
Top 50%
2002 W Ringwood Rd
Mchenry, IL 60051
(815) 385-9233
Gr: 9-12 | 502 students Student-teacher ratio: 13:1 Minority enrollment: 16%
Rank: #99.
Crystal Lake Central High School
(Math: 31% | Reading: 34%)
Rank:
7/
10
Top 50%
45 W Franklin Ave
Crystal Lake, IL 60014
(815) 459-2505
Gr: 9-12 | 1,443 students Student-teacher ratio: 17:1 Minority enrollment: 36%
Rank: #1010.
Woodstock North High School
(Math: 29% | Reading: 33%)
Rank:
7/
10
Top 50%
3000 Raffel Rd
Woodstock, IL 60098
(815) 334-2100
Gr: 8-12 | 915 students Student-teacher ratio: 15:1 Minority enrollment: 41%
Rank: #1111.
Marengo High School
(Math: 25-29% | Reading: 30-34%)
Rank:
7/
10
Top 50%
110 Franks Rd
Marengo, IL 60152
(815) 568-6511
Gr: 9-12 | 685 students Student-teacher ratio: 15:1 Minority enrollment: 33%
Rank: #1212.
Alden-hebron High School
(Math: ≤20% | Reading: 21-39%)
Rank:
6/
10
Top 50%
9604 Illinois St
Hebron, IL 60034
(815) 648-2442
Gr: 9-12 | 112 students Student-teacher ratio: 9:1 Minority enrollment: 33%
Rank: #1313.
Mchenry Community High School
(Math: 24% | Reading: 24%)
Rank:
6/
10
Top 50%
1012 N Green St, Freshman Camp
Mchenry, IL 60050
(815) 759-5514
Gr: 9-12 | 2,214 students Student-teacher ratio: 15:1 Minority enrollment: 32%
Rank: #1414.
Clay Academy
(Math: ≤20% | Reading: ≤20% )
Rank:
5/
10
Bottom 50%
112 Grove St
Woodstock, IL 60098
(815) 337-2529
Gr: PK-12
Rank: #1515.
Haber Oaks Campus
Alternative School
(Math: ≤10% | Reading: ≤10% )
Rank:
2/
10
Bottom 50%
1200 S Mchenry Ave
Crystal Lake, IL 60014
(815) 893-5300
Gr: 9-12
Rank: #1616.
Harvard High School
(Math: 6-9% | Reading: 10-14%)
Rank:
2/
10
Bottom 50%
1103 N Jefferson St
Harvard, IL 60033
(815) 943-6461
Gr: 9-12 | 815 students Student-teacher ratio: 10:1 Minority enrollment: 76%
Rank: n/an/a
Evergreen Academy
Alternative School
3917 Mercy Dr, Evergreen Acade
Mchenry, IL 60050
(815) 334-4055
Gr: 6-12
Rank: n/an/a
Innovation Academy
Alternative School
3917 Mercy Dr
Mchenry, IL 60050
(815) 239-0001
Gr: 4-12

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?

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