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Best Grayslake Private High Schools (2026)

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

Gr: PK-12 Avg. class size: 16 students Sports: 4 | Extracurrculars: 4 Tuition listed

[+] Show Closed Private Schools in Grayslake, Illinois

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

Gr: 7-9 | 17 students

Overview

This Town (Grayslake)

This State (IL)

# Schools

1 School

View Data

Trends in Total Number of Private High Schools
Year	Grayslake, IL Total Schools
2025	1
2024	1
2023	1
2022	1
2021	2
2020	2
2019	2
2018	2
2017	1
2016	1
2015	1

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Student Body:

# Students

n/a

89,884 Students

View Data

Trends in the Average Number of Students Per Private High School
Year	Grayslake, IL Average	Illinois (IL) Average	National Average
2024	263	230	245
2023	194	248	247
2022	210	255	257
2021	114	247	249
2020	114	233	235
2019	125	252	242
2018	125	243	238
2017	188	239	246
2016	188	238	241
2015	188	230	220

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Academics and Faculty:

# Teachers

n/a

7,537 Teachers

Average Student-Teacher Ratio

n/a

11:1

View Data

Student-Teacher Ratio Trends (2015-2024)
Year	Grayslake, IL Average	Illinois (IL) Average	National Average
2024	13:1	11:1	10:1
2023	10:1	11:1	10:1
2022	11:1	11:1	10:1
2021	10:1	11:1	10:1
2020	10:1	11:1	10:1
2019	10:1	11:1	10:1
2018	10:1	12:1	10:1
2017	10:1	12:1	10:1
2016	10:1	12:1	10:1
2015	10:1	12:1	10:1

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Average Class Size

16 students

15 students

View Data

Class Size Trends (2015-2025)
Year	Grayslake, IL Average	Illinois (IL) Average	National Average
2025	16	15	14
2024	9	15	14
2023	9	15	14
2022	9	15	14
2021	9	15	14
2020	9	15	14
2019	9	15	14
2018	9	16	14
2017	9	16	14
2016	9	16	14
2015	9	16	14

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Tuition and Acceptance Rate:

Average Yearly Tuition Cost

$10,450

$15,730

Students by Ethnicity:

0.42

0.62

View Data

Diversity Score Trends
Year	Grayslake, IL Average	Illinois (IL) Average	National Average
2025	0.42	0.62	0.61
2024	0.59	0.62	0.60
2023	0.62	0.62	0.60
2022	0.57	0.60	0.58
2021	0.58	0.60	0.57
2020	0.58	0.61	0.57
2019	0.57	0.60	0.56
2018	0.57	0.58	0.55
2017	0.39	0.56	0.54
2016	0.39	0.56	0.54
2015	0.39	0.57	0.53

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# American Indian Students

n/a

298 Students

% American Indian Students

n/a

# Asian Students

12 Students

5,624 Students

% Asian Students

View Data

Asian Student Percentage Trends
Year	Grayslake, IL Average	Illinois (IL) Average	National Average
2025	6%	7%	5%
2024	5%	7%	6%
2023	5%	8%	6%
2022	4%	8%	5%
2021	4%	7%	5%
2020	4%	7%	5%
2019	9%	6%	5%
2018	9%	7%	5%
2017	3%	4%	4%
2016	3%	4%	4%
2015	3%	5%	4%

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# Hispanic Students

29 Students

10,091 Students

% Hispanic Students

14%

11%

View Data

Hispanic Student Percentage Trends
Year	Grayslake, IL Average	Illinois (IL) Average	National Average
2025	14%	11%	9%
2024	11%	11%	9%
2023	6%	11%	8%
2022	4%	10%	8%
2021	4%	10%	8%
2020	4%	10%	8%
2019	10%	9%	8%
2018	10%	10%	8%
2017	9%	10%	7%
2016	9%	9%	8%
2015	9%	9%	8%

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# Black Students

12 Students

9,671 Students

% Black Students

11%

View Data

Black Student Percentage Trends
Year	Grayslake, IL Average	Illinois (IL) Average	National Average
2025	6%	11%	8%
2024	5%	11%	8%
2023	4%	10%	8%
2022	5%	10%	8%
2021	6%	11%	8%
2020	6%	11%	8%
2019	5%	11%	8%
2018	5%	11%	8%
2017	5%	11%	8%
2016	5%	12%	8%
2015	5%	12%	9%

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# White Students

159 Students

52,469 Students

% White Students

75%

58%

View Data

White Student Percentage Trends
Year	Grayslake, IL Average	Illinois (IL) Average	National Average
2025	74%	58%	59%
2024	60%	58%	60%
2023	54%	58%	60%
2022	61%	60%	62%
2021	59%	60%	63%
2020	59%	60%	64%
2019	63%	61%	64%
2018	63%	62%	65%
2017	77%	64%	66%
2016	77%	64%	66%
2015	77%	63%	66%

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# Hawaiian Students

n/a

105 Students

% Hawaiian Students

n/a

# Two or more races Students

n/a

% of Two or more races Students

n/a

# Others Students

n/a

12,125 Students

% of Others Students

n/a

14%

View Data

Other Races Student Percentage Trends
Year	Grayslake, IL Average	Illinois (IL) Average	National Average
2024	19%	13%	15%
2023	29%	13%	16%
2022	24%	12%	16%
2021	25%	12%	15%
2020	25%	12%	14%
2019	12%	13%	14%
2018	12%	10%	13%
2017	6%	11%	14%
2016	6%	11%	13%
2015	6%	11%	12%

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All Ethnic Groups