For the 2026 school year, there is 1 private high school in Grayslake, IL.
100% of private high schools in Grayslake, IL are religiously affiliated (most commonly Christian).
Private High Schools in Grayslake, IL (2026)
School
Location
Quick Facts
Westlake Christian Academy
(Christian)
275 S Lake St
Grayslake, IL 60030
(847) 548-6209
Grayslake, IL 60030
(847) 548-6209
Gr: PK-12 Avg. class size: 16 students Sports: 4 | Extracurrculars: 4 Tuition listed
Grayslake, Illinois Private Schools (Closed)
School
Location
Quick Facts
Montessori School Of Lake Forest Adolescent Program (Closed 2019)
Montessori School
32470 Harris Rd
Grayslake, IL 60030
(847) 543-0002
Grayslake, IL 60030
(847) 543-0002
Gr: 7-9 | 17 students
Overview
This Town (Grayslake)
This State (IL)
# Schools
1 School
Student Body:
# Students
n/a
89,884 Students
Academics and Faculty:
# Teachers
n/a
7,537 Teachers
Average Student-Teacher Ratio
n/a
11:1
Average Class Size
16 students
15 students
Tuition and Acceptance Rate:
Average Yearly Tuition Cost
$10,450
$15,730
Students by Ethnicity:
Diversity Score
0.42
0.62
# American Indian Students
n/a
298 Students
% American Indian Students
n/a
n/a
# Asian Students
12 Students
5,624 Students
% Asian Students
6%
6%
# Hispanic Students
29 Students
10,091 Students
% Hispanic Students
14%
11%
# Black Students
12 Students
9,671 Students
% Black Students
5%
11%
# White Students
159 Students
52,469 Students
% White Students
75%
58%
# Hawaiian Students
n/a
105 Students
% Hawaiian Students
n/a
n/a
# Two or more races Students
n/a
n/a
% of Two or more races Students
n/a
n/a
# Others Students
n/a
12,125 Students
% of Others Students
n/a
14%
All Ethnic Groups
Extracurriculars and Sports:
Average Number of Extracurriculars
4 extracurriculars
14 extracurriculars
Average Number of Sports
4 sports
9 sports
Frequently Asked Questions
How many private high schools are located in Grayslake, IL?
1 private high schools are located in Grayslake, IL.
What percentage of private high schools are religiously affiliated in Grayslake?
100% of private high schools in Grayslake are religiously affiliated (most commonly Christian).
Recent Articles
Navigating Private School Finances 2026
Essential 2026 guide for parents on private school costs, financial aid, and planning strategies.
Preparation for Standardized Tests & College Admissions 2026
A 2026 guide for private school test prep and college admissions strategies, with insights, trends, and best practices for families and educators.
Mental Health & Wellness Support in Private Schools: Key Questions for Parents
Discover essential questions about mental health & wellness support in private schools before enrolling, with 2026 updates for informed decisions.
