For the 2025-26 school year, there are 7 private schools serving 1,005 students in Alton, IL (there are , serving 4,644 public students). 18% of all K-12 students in Alton, IL are educated in private schools (compared to the IL state average of 12%).
The top ranked private schools in Alton, IL include Marquette Catholic High School, St. Mary's School, and St. Mary School.
The average acceptance rate is 99%, which is higher than the Illinois private school average acceptance rate of 84%.
Top Ranked Alton ²ÝÁñÉçÇø Schools (2025-26)
School
Location
Quick Facts
Center For Children To Heal And Achieve (ccha)
Special Education School
1400 State St
Alton, IL 62002
(618) 465-3594
Alton, IL 62002
(618) 465-3594
Gr: 2-12 | 46 students
219 E 4th St
Alton, IL 62002
(618) 463-0580
Alton, IL 62002
(618) 463-0580
Gr: 9-12 | 390 students Avg. class size: 20 students Sports: 13 | Extracurrculars: 13 Tuition & acceptance rate listed
St. Mary School
(Catholic)
536 E 3rd St
Alton, IL 62002
(618) 465-8523
Alton, IL 62002
(618) 465-8523
Gr: PK-8 | 337 students Avg. class size: 15 students Tuition listed
St. Mary's School
(Catholic)
1015 Milton Rd
Alton, IL 62002
(618) 465-9719
Alton, IL 62002
(618) 465-9719
Gr: 7-9 | 82 students Tuition listed
Mississippi Valley Christian School![Mississippi Valley Christian School Photo]( "Mississippi Valley Christian School Photo")
(Baptist)
2009 Seminary Street
Alton, IL 62002
(618) 462-1071
Alton, IL 62002
(618) 462-1071
Gr: PK-12 | 86 students Avg. class size: 10 students Sports: 3 | Extracurrculars: 2 Tuition & acceptance rate listed
New Vision Christian Academy
Alternative School (Pentecostal)
512 Spring St
Alton, IL 62002
(618) 979-9357
Alton, IL 62002
(618) 979-9357
Gr: PK-8 | 11 students
Toddle Towne Learning Center
Daycare / Preschool
3839 Humbert Road
Alton, IL 62002
(618) 462-8852
Alton, IL 62002
(618) 462-8852
Gr: NS-PK | 53 students
Alton, Illinois ²ÝÁñÉçÇø Schools (Closed)
School
Location
Quick Facts
801 State St
Alton, IL 62002
(618) 465-8711
Alton, IL 62002
(618) 465-8711
Gr: PK-8 | 79 students
Frequently Asked Questions
What are the top ranked private schools in Alton, IL?
The top ranked private schools in Alton, IL include Marquette Catholic High School, St. Mary's School, and St. Mary School.
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?
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?
Which private schools in Alton are often viewed compared to one another?
Popular comparisons of private schools in Alton include: Marquette Catholic High School vs. Mississippi Valley Christian School, New Vision Christian Academy vs. St. Mary School
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