Private School Review - Established 2003

Alton Private Schools

For the 2026-27 school year, there are 6 private schools serving 952 students in Alton, IL, 18% of all K-12 students in Alton, IL are educated in private schools versus public schools (compared to the IL state average of 12%).
The average acceptance rate is 99%, which is higher than the Illinois private school average acceptance rate of 89%.
83% of private schools in Alton, IL are religiously affiliated (most commonly Catholic and Baptist).

Quick Facts (26-27)

Quick Facts (26-27)

Top Ranked Alton Private Schools (2026-27)

Map of Center For Children To Heal And Achieve (ccha)
Center For Children To Heal And Achieve (ccha)
Gr: 2-12 | 46 students
Special Education School
1400 State St
Alton, IL 62002
(618) 465-3594
View Profile
Map of Marquette Catholic High School
Marquette Catholic High School
Gr: 9-12 | 390 students
Avg. class size: 20 students
Sports: 14 | Extracurriculars: 13
Catholic
219 E 4th St
Alton, IL 62002
(618) 463-0580
(1)
View Profile
Map of St. Mary School
St. Mary School
Gr: PK-8 | 337 students
Catholic
536 E 3rd St
Alton, IL 62002
(618) 465-8523
View Profile
Map of St. Mary's School
St. Mary's School
Gr: 7-9 | 82 students
Catholic
1015 Milton Rd
Alton, IL 62002
(618) 465-9719
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Mississippi Valley Christian School Photo
Mississippi Valley Christian School
Gr: PK-12 | 86 students
Avg. class size: 10 students
Sports: 3 | Extracurriculars: 2
Baptist
2009 Seminary Street
Alton, IL 62002
(618) 462-1071
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Map of New Vision Christian Academy
New Vision Christian Academy
Gr: PK-8 | 11 students
Alternative School (Pentecostal)
512 Spring St
Alton, IL 62002
(618) 979-9357
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[+] Show Closed Private Schools in Alton, Illinois

Alton, Illinois Private Schools (Closed)

Map of Ss Peter & Paul Elementary School
Ss Peter & Paul Elementary School
Gr: PK-8 | 79 students
Catholic
801 State St
Alton, IL 62002
(618) 465-8711
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Alton, IL Private School Trends

6
Private Schools
952
Students
$6,383
Avg. Tuition
15
Avg. Class Size
28%
Students of Color
12:1
Student-Teacher Ratio
Download town snapshot: CSV | XML | JSON Data may not be displayed on any public-facing website or service that replicates or resembles a school search or review portal without prior written permission.
Enrollment & Diversity
Category
This Town (Alton)
This State (IL)
# Schools
6 Schools
1,624 Schools
# Students
952 Students
251,324 Students
% Students of Color
28%
34%
0.52
0.66
Show more data/charts: racial breakdown
# American Indian Students
1 Student
605 Students
% American Indian Students
<1%
<1%
# Asian Students
7 Students
10,480 Students
% Asian Students
1%
4%
# Hispanic Students
103 Students
25,029 Students
% Hispanic Students
10%
10%
# Black Students
112 Students
21,042 Students
% Black Students
11%
9%
# White Students
665 Students
128,851 Students
% White Students
68%
51%
# Hawaiian Students
0 Students
338 Students
% Hawaiian Students
0%
<1%
# Others Students
97 Students
65,524 Students
% of Others Students
10%
26%
All Ethnic Groups
Academics
# Teachers
81 Teachers
18,893 Teachers
Average Student-Teacher Ratio
12:1
13:1
% Average Faculty w/Advanced Degree
32%
53%
Average Class Size
15 students
17 students
Average Number of AP Courses
8 courses
11 courses
Average ACT score
22
(Out of 36)
25
Tuition & Aid
Average Yearly Tuition Cost
$6,383
$10,418
Average Summer Program Cost
$150
$961
Average % on Financial Aid
56%
34%
Admissions & Athletics
Average Acceptance Rate
99%
89%
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 Alton, IL?
The top ranked private schools in Alton, IL include St. Mary School, Center For Children To Heal And Achieve (ccha), and Marquette Catholic High School.
How many private schools are located in Alton?
6 private schools are located in Alton.
How diverse are private schools in Alton?
Alton private schools are approximately 28% minority students, which is lower than the Illinois private school average of 34%.
What percentage of students in Alton go to private school?
18% of all K-12 students in Alton are educated in private schools (compared to the IL state average of 12%).
What percentage of private schools are religiously affiliated in Alton?
83% of private schools in Alton are religiously affiliated (most commonly Catholic and Baptist).
Which private schools in Alton are often viewed compared to one another?

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