Private School Review - Established 2003

Alton Private Schools (2026)

For the 2026 school year, there are 7 private schools serving 1,005 students in Alton, IL, 19% 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 85%.
71% of private schools in Alton, IL are religiously affiliated (most commonly Catholic and Baptist).

Quick Facts (2026)

  • # Private Schools: 7
  • # Students Served: 1,005
  • Average Tuition: $11,037
  • Average Class Size: 15 students
  • % Students of Color: 27%
  • View Alton, IL School Trends

Quick Facts (2026)

  • # Private Schools: 7
  • # Students Served: 1,005
  • Average Tuition: $11,037
  • Average Class Size: 15 students
  • % Students of Color: 27%
  • View Alton, IL School Trends

Top Ranked Alton Private Schools (2026)

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
Avg. class size: 15 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
View Profile
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
View Profile
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
View Profile
Map of Toddle Towne Learning Center
Toddle Towne Learning Center
Gr: NS-PK | 53 students
Daycare / Preschool
3839 Humbert Road
Alton, IL 62002
(618) 462-8852
View Profile
[+] 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
View Profile

Alton, IL Private School Trends (10-Year)

7
Private Schools
1,005
Students
-16.8% (-203 students) 10-yr
$11,037
Avg. Tuition
+244.5% (+$7,833) 10-yr
15
Avg. Class Size
+25.0% (+3 students) 10-yr
27%
Students of Color
+107.7% (+14.0 pp) 10-yr
12:1
Student-Teacher Ratio
-7.7% (-1.0) 10-yr
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
7 Schools
1,624 Schools

Trends in Total Number of Private Schools

YearAlton, IL Total Schools
20257
20247
20237
20227
20218
20208
20198
20188
20177
20167
20157
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# Students
1,005 Students
251,350 Students

Trends in the Average Number of Students Per Private School

YearAlton, IL AvgIllinois (IL)National
2025144166179
2024142162172
2023148171174
2022147178185
2021139174180
2020138168171
2019157174175
2018158171172
2017172177180
2016173175178
2015173168167
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% Students of Color
27%
34%

Percentage of Students of Color Trends (2015-2025)

YearAlton, IL AvgIllinois (IL)National
202527%34%34%
202427%34%34%
202312%34%33%
202217%34%33%
202116%34%32%
202011%35%32%
201913%33%31%
201812%33%31%
201712%34%32%
201613%34%32%
201513%35%32%
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0.54
0.66

Diversity Score Trends

YearAlton, IL AvgIllinois (IL)National
20250.540.660.65
20240.540.660.65
20230.340.660.65
20220.320.650.64
20210.340.650.64
20200.340.660.64
20190.360.650.63
20180.360.650.63
20170.340.620.61
20160.340.620.61
20150.340.630.61
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▼ Show more data/charts: racial breakdown
# American Indian Students
1 Student
605 Students
% American Indian Students
n/a
n/a
# Asian Students
7 Students
10,480 Students
% Asian Students
1%
4%

Asian Student Percentage Trends

YearAlton, IL AvgIllinois (IL)National
20251%5%5%
20241%5%5%
20231%5%5%
20221%4%4%
20211%5%4%
20201%4%4%
20191%4%4%
20181%5%4%
20171%4%4%
20161%3%4%
20151%4%4%
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# Hispanic Students
103 Students
25,032 Students
% Hispanic Students
10%
10%

Hispanic Student Percentage Trends

YearAlton, IL AvgIllinois (IL)National
202510%10%9%
202410%10%9%
20231%10%9%
20191%9%8%
20181%9%8%
20172%9%8%
20162%9%8%
20152%9%8%
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# Black Students
114 Students
21,046 Students
% Black Students
11%
9%

Black Student Percentage Trends

YearAlton, IL AvgIllinois (IL)National
202511%8%7%
202411%8%7%
20239%8%8%
20229%8%7%
20218%8%7%
20208%9%8%
20199%9%7%
20189%9%7%
20178%9%7%
20168%9%7%
20158%9%8%
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# White Students
676 Students
128,862 Students
% White Students
65%
51%

White Student Percentage Trends

YearAlton, IL AvgIllinois (IL)National
202565%51%52%
202465%51%52%
202381%51%52%
202282%53%54%
202181%52%54%
202081%52%54%
201979%53%56%
201879%53%56%
201780%56%58%
201680%56%58%
201580%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
137 Students
65,479 Students
% of Others Students
13%
26%

Other Races Student Percentage Trends

YearAlton, IL AvgIllinois (IL)National
202513%26%26%
202413%26%26%
20238%26%25%
20228%25%25%
202110%25%25%
202010%25%24%
201910%25%24%
201810%24%23%
20179%22%22%
20169%23%22%
20159%23%21%
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All Ethnic Groups
Academics
# Teachers
82 Teachers
18,872 Teachers
Average Student-Teacher Ratio
12:1
13:1

Student-Teacher Ratio Trends (2015-2025)

YearAlton, IL AvgIllinois (IL)National
202512:113:111:1
202412:113:111:1
202313:113:111:1
202213:113:111:1
202112:113:111:1
202012:113:112:1
201912:113:112:1
201812:114:112:1
201713:114:112:1
201613:114:112:1
201513:114:112:1
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% Average Faculty w/Advanced Degree
32%
53%

Percentage of Faculty With Advanced Degrees Trends (2015-2025)

YearAlton, IL AvgIllinois (IL)National
202532%53%55%
202432%52%54%
202332%50%54%
202232%51%54%
202132%50%54%
20203%50%54%
20193%50%53%
20183%49%53%
20173%48%53%
20163%49%52%
20153%50%52%
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Average Class Size
15 students
16 students

Class Size Trends (2015-2025)

YearAlton, IL AvgIllinois (IL)National
2025151615
2024151715
2023151715
2022151715
2021151715
2020141715
2019141715
2018101715
2017101715
2016121715
2015121715
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Average Number of AP Courses
8 courses
11 courses

Trends in Average Number of AP Courses Offered

YearAlton, IL AvgIllinois (IL)National
202591113
20247912
20235911
20225911
20215911
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Average ACT score
22
(Out of 36)
25

ACT Score Trends (2015-2025)

YearAlton, IL AvgIllinois (IL)National
2025222526
2024222526
2023222526
2022222526
2021222526
2020222525
2019222525
2018222525
2017222525
2016222425
2015222425
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Tuition & Aid
Average Yearly Tuition Cost
$11,037
$12,457

Tuition Cost Trends (2015-2025)

YearAlton, IL AvgIllinois (IL)National
2025$10,925$12,671$15,012
2024$6,112$9,594$13,254
2023$5,744$8,924$12,626
2022$5,644$8,609$12,187
2021$5,644$8,334$11,800
2020$5,532$8,312$11,512
2019$5,310$8,068$11,293
2018$3,204$7,898$11,017
2017$3,204$7,863$10,708
2016$3,204$7,289$10,356
2015$3,204$7,003$9,939
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Average Summer Program Cost
$150
$961

Summer Program Cost Trends (2019-2025)

YearAlton, IL AvgIllinois (IL)National
2025$150$943$1,152
2024$150$947$1,128
2023$125$1,009$1,156
2022$125$1,138$1,102
2021$125$672$1,125
2020$125$667$1,217
2019$125$687$1,305
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Average % on Financial Aid
56%
34%

Percent on Financial Aid Trends (2019-2025)

YearAlton, IL AvgIllinois (IL)National
202554%34%34%
202454%33%34%
202354%33%34%
202254%32%33%
202154%31%33%
202054%32%32%
201954%31%31%
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Average Endowment Size
$50 million
$50.13 million
Admissions & Athletics
Average Acceptance Rate
99%
85%

Acceptance Rate Trends (2015-2025)

YearAlton, IL AvgIllinois (IL)National
202599%84%81%
202499%90%85%
202399%91%85%
202299%91%85%
202199%91%85%
202099%91%85%
201999%90%85%
201899%90%85%
201799%90%85%
201699%92%85%
201599%92%85%
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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, St. Mary's School, and Center For Children To Heal And Achieve (ccha).
How many private schools are located in Alton?
7 private schools are located in Alton.
How diverse are private schools in Alton?
Alton private schools are approximately 27% minority students, which is lower than the Illinois private school average of 34%.
What percentage of students in Alton go to private school?
19% 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?
71% 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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