Private School Review - Established 2003
St. Thomas the Apostle School
Montessori School Of Peoria

Peoria Heights Private Schools (2026-27)

For the 2026-27 school year, there are 3 private schools serving 991 students in Peoria Heights, IL, 59% of all K-12 students in Peoria Heights, IL are educated in private schools versus public schools (compared to the IL state average of 12%).
67% of private schools in Peoria Heights, IL are religiously affiliated (most commonly Other and Catholic).

Quick Facts (2026-27)

Quick Facts (2026-27)

Top Ranked Peoria Heights Private Schools (2026-27)

Map of Peoria Christian School - Monroe
Peoria Christian School - Monroe
Gr: PK-12 | 632 students
3725 N Monroe Ave
Peoria Heights, IL 61616
(309) 686-4500
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St. Thomas the Apostle School Photo
St. Thomas the Apostle School
Gr: PK-8 | 309 students
Avg. class size: 20 students
Sports: 9 | Extracurriculars: 12
Catholic
4229 N Monroe Avenue
Peoria Heights, IL 61616
(309) 685-2533
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Montessori School Of Peoria Photo
Montessori School Of Peoria
Gr: PK-5 | 50 students
Avg. class size: 18 students
Extracurriculars: 4
Montessori School
4906 N Prospect Rd
Peoria Heights, IL 61616
(309) 686-8995
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Peoria Heights, IL Private School Trends (10-Year)

3
Private Schools
+200.0% (+2 schools) 10-yr
991
Students
+117.3% (+535 students) 10-yr
$5,600
Avg. Tuition
19
Avg. Class Size
-9.5% (-2 students) 9-yr
15%
Students of Color
+275.0% (+11.0 pp) 10-yr
14:1
Student-Teacher Ratio
-30.0% (-6.0) 10-yr
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Enrollment & Diversity
Category
This Town (Peoria Heights)
This State (IL)
# Schools
3 Schools
1,625 Schools
# Students
991 Students
251,321 Students

Trends in the Average Number of Students Per Private School

YearPeoria Heights, IL AvgIllinois (IL)National
2025330166179
2024332162172
2023174171174
2022182178185
2021182174180
2020182168171
2019198174175
2018307171172
2017410177180
2016410175178
2015456168167
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% Students of Color
15%
34%

Percentage of Students of Color Trends (2015-2025)

YearPeoria Heights, IL AvgIllinois (IL)National
202515%34%34%
202415%34%34%
20236%34%33%
20228%34%33%
20218%34%32%
20208%35%32%
20199%33%31%
20187%33%31%
201722%34%32%
201622%34%32%
20154%35%32%
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0.36
0.66

Diversity Score Trends

YearPeoria Heights, IL AvgIllinois (IL)National
20250.360.660.65
20240.360.660.65
20230.310.660.65
20220.300.650.64
20210.300.650.64
20200.300.660.64
20190.200.650.63
20180.140.650.63
20170.080.620.61
20160.080.620.61
20150.150.630.61
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Show more data/charts: racial breakdown
# American Indian Students
n/a
605 Students
% American Indian Students
n/a
n/a
# Asian Students
47 Students
10,480 Students
% Asian Students
4%
4%

Asian Student Percentage Trends

YearPeoria Heights, IL AvgIllinois (IL)National
20254%5%5%
20244%5%5%
20233%5%5%
20224%4%4%
20214%5%4%
20204%4%4%
20194%4%4%
20183%5%4%
20173%4%4%
20163%3%4%
20153%4%4%
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# Hispanic Students
21 Students
25,032 Students
% Hispanic Students
2%
10%

Hispanic Student Percentage Trends

YearPeoria Heights, IL AvgIllinois (IL)National
20252%10%9%
20242%10%9%
20192%9%8%
20182%9%8%
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# Black Students
64 Students
21,046 Students
% Black Students
6%
9%

Black Student Percentage Trends

YearPeoria Heights, IL AvgIllinois (IL)National
20256%8%7%
20246%8%7%
20231%8%8%
20221%8%7%
20211%8%7%
20201%9%8%
20193%9%7%
20183%9%7%
20171%9%7%
20161%9%7%
20151%9%8%
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# White Students
890 Students
128,859 Students
% White Students
79%
51%

White Student Percentage Trends

YearPeoria Heights, IL AvgIllinois (IL)National
202579%51%52%
202479%51%52%
202382%51%52%
202283%53%54%
202183%52%54%
202083%52%54%
201989%53%56%
201892%53%56%
201796%56%58%
201696%56%58%
201592%55%58%
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# Hawaiian Students
n/a
338 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
99 Students
65,474 Students
% of Others Students
9%
26%

Other Races Student Percentage Trends

YearPeoria Heights, IL AvgIllinois (IL)National
20259%26%26%
20249%26%26%
202313%26%25%
202211%25%25%
202111%25%25%
202011%25%24%
20192%25%24%
20154%23%21%
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All Ethnic Groups
Academics
# Teachers
70 Teachers
18,870 Teachers
Average Student-Teacher Ratio
14:1
13:1

Student-Teacher Ratio Trends (2015-2025)

YearPeoria Heights, IL AvgIllinois (IL)National
202514:113:111:1
202414:113:111:1
202313:113:111:1
202212:113:111:1
202112:113:111:1
202012:113:112:1
201913:113:112:1
201817:114:112:1
201718:114:112:1
201618:114:112:1
201520:114:112:1
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% Average Faculty w/Advanced Degree
90%
53%

Percentage of Faculty With Advanced Degrees Trends (2016-2025)

YearPeoria Heights, IL AvgIllinois (IL)National
202590%53%55%
202490%52%54%
202390%50%54%
202290%51%54%
202190%50%54%
202090%50%54%
201990%50%53%
201890%49%53%
201790%48%53%
201690%49%52%
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Average Class Size
19 students
16 students

Class Size Trends (2016-2025)

YearPeoria Heights, IL AvgIllinois (IL)National
2025191615
2024191715
2023171715
2022201715
2021201715
2020201715
2019201715
2018211715
2017211715
2016211715
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Tuition & Aid
Average Yearly Tuition Cost
$5,600
$12,436

Tuition Cost Trends (2023-2025)

YearPeoria Heights, IL AvgIllinois (IL)National
2025$5,600$12,671$15,012
2024$5,600$9,594$13,254
2023$5,600$8,924$12,626
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Average % on Financial Aid
15%
34%

Percent on Financial Aid Trends (2019-2025)

YearPeoria Heights, IL AvgIllinois (IL)National
202515%34%34%
202415%33%34%
202315%33%34%
202215%32%33%
202115%31%33%
202015%32%32%
201915%31%31%
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Admissions & Athletics
Average Number of Extracurriculars
8 extracurriculars
9 extracurriculars
Average Number of Sports
9 sports
6 sports

Frequently Asked Questions

What are the top ranked private schools in Peoria Heights, IL?
The top ranked private schools in Peoria Heights, IL include Peoria Christian School - Monroe and St. Thomas the Apostle School.
How many private schools are located in Peoria Heights?
3 private schools are located in Peoria Heights.
What percentage of students in Peoria Heights go to private school?
59% of all K-12 students in Peoria Heights are educated in private schools (compared to the IL state average of 12%).
What percentage of private schools are religiously affiliated in Peoria Heights?
67% of private schools in Peoria Heights are religiously affiliated (most commonly Other and Catholic).

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