For the 2025-26 school year, there are 29 private schools serving 3,742 students in Mchenry County, IL (there are 92 public schools, serving 51,992 public students). 7% of all K-12 students in Mchenry County, IL are educated in private schools (compared to the IL state average of 12%).
The top ranked private schools in Mchenry County, IL include Immanuel Lutheran School, Marian Central Catholic High School, and Trinity Oaks Christian Academy.
The average tuition cost is $12,281, which is lower than the Illinois private school average tuition cost of $12,697.
47% of private schools in Mchenry County, IL are religiously affiliated (most commonly Catholic and Lutheran Church Missouri Synod).
Top Ranked Mchenry County Private Schools (2025-26)
School
Location
Quick Facts
Allendale-linc
Special Education School
1055 Lake Ave
Woodstock, IL 60098
(815) 206-5725
Woodstock, IL 60098
(815) 206-5725
Gr: 6-12 | 34 students
300 Pathway Ct
Crystal Lake, IL 60014
(815) 459-1444
Crystal Lake, IL 60014
(815) 459-1444
Gr: PK-8 | 268 students Avg. class size: 24 students Sports: 4 | Extracurrculars: 6 Tuition listed
Marian Central Catholic High School![Marian Central Catholic High School Photo]( "Marian Central Catholic High School Photo")
(Catholic)
1001 McHenry Ave
Woodstock, IL 60098
(815) 338-4220
Woodstock, IL 60098
(815) 338-4220
Gr: 9-12 | 294 students Avg. class size: 17 students Sports: 17 Tuition & acceptance rate listed
1405 N Richmond Rd
Mchenry, IL 60050
(815) 385-1022
Mchenry, IL 60050
(815) 385-1022
Gr: PK-8 | 326 students Sports: 4 | Extracurrculars: 12 Tuition listed
2304 Church St
Mchenry, IL 60051
(815) 385-3959
Mchenry, IL 60051
(815) 385-3959
Gr: PK-8 | 118 students
Ss Peter & Paul School
(Catholic)
416 1st St
Cary, IL 60013
(815) 988-6960
Cary, IL 60013
(815) 988-6960
Gr: PK-8 | 276 students Avg. class size: 29 students Sports: 4 | Extracurrculars: 5 Tuition & acceptance rate listed
233 Trinity Oaks Way
Cary, IL 60013
(847) 462-5971
Cary, IL 60013
(847) 462-5971
Gr: PK-12 | 263 students Avg. class size: 18 students Sports: 4 | Extracurrculars: 10 Tuition & acceptance rate listed
Zion Lutheran School
(Lutheran Church Missouri Synod)
408 Jackson St
Marengo, IL 60152
(815) 568-5156
Marengo, IL 60152
(815) 568-5156
Gr: PK-8 | 343 students
Berkshire Drive KinderCare![Berkshire Drive KinderCare Photo - Building Image]( "Berkshire Drive KinderCare Photo - Building Image")
Daycare / Preschool
14 Berkshire Dr
Crystal Lake, IL 60014
(815) 459-5490
Crystal Lake, IL 60014
(815) 459-5490
Gr: NS-PK | 48 students Avg. class size: 10 students
Cary Grove KinderCare![Cary Grove KinderCare Photo - Cary Grove KinderCare]( "Cary Grove KinderCare Photo - Cary Grove KinderCare")
Daycare / Preschool
324 Crystal St
Cary, IL 60013
(847) 639-8899
Cary, IL 60013
(847) 639-8899
Gr: NS-PK | 85 students
Crystal Lake KinderCare![Crystal Lake KinderCare Photo - Crystal Lake KinderCare]( "Crystal Lake KinderCare Photo - Crystal Lake KinderCare")
Daycare / Preschool
645 Dakota St.
Crystal Lake, IL 60012
(815) 477-2580
Crystal Lake, IL 60012
(815) 477-2580
Gr: NS-PK | 30 students
Crystal Lake Montessori School![Crystal Lake Montessori School Photo]( "Crystal Lake Montessori School Photo")
Montessori School
3013 S. Country Club Rd.
Woodstock, IL 60098
(815) 338-0013
Woodstock, IL 60098
(815) 338-0013
Gr: PK-8 | 177 students Avg. class size: 20 students Extracurrculars: 5 Tuition listed
The Goddard School![The Goddard School Photo]( "The Goddard School Photo")
Daycare / Preschool
801 Georgetown Drive
Cary, IL 60013
(847) 639-1160
Cary, IL 60013
(847) 639-1160
Gr: NS-K Avg. class size: 15 students Tuition & acceptance rate listed
The Goddard School![The Goddard School Photo]( "The Goddard School Photo")
Daycare / Preschool
4561 Princeton Lane
Lake In The Hills, IL 60156
(847) 669-6390
Lake In The Hills, IL 60156
(847) 669-6390
Gr: K | 14 students Tuition listed
Holy Cross Lutheran Preschool
Daycare / Preschool (Lutheran Church Missouri Synod)
2107 Three Oaks Rd
Cary, IL 60013
(847) 639-6533
Cary, IL 60013
(847) 639-6533
Gr: K-1 | 92 students
2521 Harding Ln
Woodstock, IL 60098
(815) 337-4663
Woodstock, IL 60098
(815) 337-4663
Gr: PK-K | 82 students
Kids R Kids Learning Academy
Daycare / Preschool
475 Alexandra Blvd
Crystal Lake, IL 60014
(815) 455-5437
Crystal Lake, IL 60014
(815) 455-5437
Gr: PK-K | 58 students
McHenry KinderCare![McHenry KinderCare Photo - Discovery Preschool Classroom]( "McHenry KinderCare Photo - Discovery Preschool Classroom")
Daycare / Preschool
4717 West Crystal Lake Rd.
Mchenry, IL 60050
(815) 385-2499
Mchenry, IL 60050
(815) 385-2499
Gr: NS-PK Tuition listed
Mchenry Montessori School
Montessori School
5213 W Elm Street
Mchenry, IL 60050
(815) 344-1015
Mchenry, IL 60050
(815) 344-1015
Gr: NS-PK | 61 students
133 Illinois St
Crystal Lake, IL 60014
(815) 459-6727
Crystal Lake, IL 60014
(815) 459-6727
Gr: PK-6 | 47 students Avg. class size: 20 students Tuition & acceptance rate listed
Notre Dame Academy
(Catholic)
10002 Harmony Hill Rd
Marengo, IL 60152
(815) 923-4350
Marengo, IL 60152
(815) 923-4350
Gr: K-12 | 20 students
Primrose School Of Algonquin
Daycare / Preschool
2300 County Line Rd
Algonquin, IL 60102
(224) 333-0380
Algonquin, IL 60102
(224) 333-0380
Gr: PK-K | 188 students
Randall Road KinderCare![Randall Road KinderCare Photo - Parent check-in station]( "Randall Road KinderCare Photo - Parent check-in station")
Daycare / Preschool
501 Rolls Dr.
Algonquin, IL 60102
(847) 854-8545
Algonquin, IL 60102
(847) 854-8545
Gr: NS-PK | 67 students
St. Margaret Mary Catholic School![St. Margaret Mary Catholic School Photo - Saint Margaret Mary School Algonquin, Illinois]( "St. Margaret Mary Catholic School Photo - Saint Margaret Mary School Algonquin, Illinois")
(Catholic)
119 S Hubbard St
Algonquin, IL 60102
(847) 658-5313
Algonquin, IL 60102
(847) 658-5313
Gr: K-8 | 213 students Avg. class size: 20 students Sports: 5 | Extracurrculars: 7 Tuition & acceptance rate listed
320 Lincoln Avenue
Woodstock, IL 60098
(815) 338-3598
Woodstock, IL 60098
(815) 338-3598
Gr: PK-8 | 163 students Avg. class size: 18 students Sports: 5 | Extracurrculars: 3 Tuition & acceptance rate listed
St. Thomas The Apostle School
(Catholic)
265 King St
Crystal Lake, IL 60014
(815) 459-0496
Crystal Lake, IL 60014
(815) 459-0496
Gr: PK-8 | 234 students Avg. class size: 18 students Sports: 5 | Extracurrculars: 3 Tuition listed
Woodstock Christian School
(Christian)
1201 Dean St
Woodstock, IL 60098
(815) 338-1391
Woodstock, IL 60098
(815) 338-1391
Gr: K-9 | 42 students Sports: 2
Zion Lutheran School & Preschool
(Lutheran Church Missouri Synod)
4206 W Elm St
Mchenry, IL 60050
(815) 385-4488
Mchenry, IL 60050
(815) 385-4488
Gr: PK-1 | 78 students
Mchenry County Private Schools (Closed)
School
Location
Quick Facts
Faith Lutheran High School (Closed 2018)
(Lutheran Church Missouri Synod)
174 McHenry Ave.
Crystal Lake, IL 60014
(815) 479-9305
Crystal Lake, IL 60014
(815) 479-9305
Gr: 9-12 | 81 students Avg. class size: 12 students Tuition & acceptance rate listed
Fox Valley Christian School (Closed 2010)
Alternative School (Baptist)
509 Front St
Mchenry, IL 60050
(815) 385-0126
Mchenry, IL 60050
(815) 385-0126
Gr: 5-12 | 10 students Avg. class size: 6 students Tuition listed
Frequently Asked Questions
What are the top ranked private schools in Mchenry County, IL?
The top ranked private schools in Mchenry County, IL include Immanuel Lutheran School, Marian Central Catholic High School, and Trinity Oaks Christian Academy.
How many private schools are located in Mchenry County?
29 private schools are located in Mchenry County.
How much do private schools cost in Mchenry County?
The average tuition cost is $12,281, which is lower than the Illinois private school average tuition cost of $12,697.
How diverse are private schools in Mchenry County?
Mchenry County private schools are approximately 19% minority students, which is lower than the Illinois private school average of 34%.
What percentage of students in Mchenry County go to private school?
7% of all K-12 students in Mchenry County are educated in private schools (compared to the IL state average of 12%).
What percentage of private schools are religiously affiliated in Mchenry County?
47% of private schools in Mchenry County are religiously affiliated (most commonly Catholic and Lutheran Church Missouri Synod).
Which private schools in Mchenry County are often viewed compared to one another?
Popular comparisons of private schools in Mchenry County include: St. Margaret Mary Catholic School vs. St. Thomas The Apostle School, St. John The Baptist Catholic School vs. Montini Catholic School, St. Thomas The Apostle School vs. St. Margaret Mary Catholic School
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