St. Mary School
2 mi Grades PreK-5 166 students 12.9 students per teacher Roman Catholic Co-ed
Private schools in Alton, IL
3 schools in Alton itself and 8 more within 12 miles.
Alton private schools at a glance
Alton has 3 private schools of its own, and 8 more are within 12 miles. They are St. Mary School, Marquette Catholic High School and Center for Children To Heal and Achieve (Ccha). In Alton itself: 2 Catholic and 1 of other faiths; 2 teach elementary grades and 2 teach high school. Counting the 8 nearby, there are 11 in all: 4 Catholic, 3 other Christian, 2 nonsectarian and 2 of other faiths; 9 teach elementary grades and 4 teach high school; 1 is Montessori. All of them are co-ed. 5 report membership in a school association, most often the National Catholic Educational Association (2023-24 federal survey). The typical school has about 80 students and 8.1 students per teacher (2023-24 federal survey).
4 Catholic
8.1 students per teacher, typical
Private schools in Alton (3)
Schools that give Alton as their address come first, then the 8 more within 12 miles. Closest schools first in each group. No school can pay to change its place in this list or its badge.
Affiliation, co-ed or single-sex, association membership and the share of graduates going on to a 4-year college come from the 2023-24 federal Private School Universe survey.
No school in Alton matches all of those.
Grades 9-12 371 students Roman Catholic Co-ed 95% to 4-year college
Grades K-12 34 students 5.7 students per teacher Other religious Special education Co-ed 0% to 4-year college
Nearby, within 12 miles (8)
Schools in other towns within 12 miles of downtown Alton.
No nearby school matches all of those.
Grades PreK-8 192 students 8.1 students per teacher Roman Catholic Co-ed
Evangelical School
3 mi Grades PreK-8 243 students 14.5 students per teacher Other religious Co-ed
Grades PreK-7 63 students 5.1 students per teacher Nonsectarian Montessori Co-ed
Grades PreK-12 42 students 6 students per teacher Nonsectarian Special education Co-ed
Grades PreK-7 80 students 9.5 students per teacher Roman Catholic Co-ed
Zion Lutheran School
6 mi Grades PreK-8 167 students 9.9 students per teacher Lutheran Church (Missouri Synod) Co-ed
Grades Ungraded 11 students 3.1 students per teacher Christian (nondenominational) Special program emphasis Co-ed
Lahr-Well Academy
12 mi Grades 1-11 10 students 2.8 students per teacher Christian (nondenominational) Special program emphasis Co-ed
Private schools
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Private school tuition near Alton
We verified published tuition at one of these schools so far. Each figure comes from the school’s own website, and we link it on the school’s page. Ask the others for their full-year price.
| School | Published tuition | Year |
|---|---|---|
| Marquette Catholic High School | $9,370 | 2026-27 |
Ranges run from the lowest to the highest grade band the school publishes. How private school tuition compares by state.
What private school costs across Illinois: every verified price in the state, by city and grade.
Paying for private school in Illinois
No state program pays private school tuition. What Illinois families can use instead.
Keep looking
- Christian schools in Alton (3)
- Catholic schools in Alton (4)
- Private high schools in Alton (4)
- Private elementary schools in Alton (9)
- Private middle schools in Alton (8)
- Private schools with kindergarten in Alton (8)
- Private schools with pre-K in Alton (7)
- All schools in Madison County
- Private schools in Godfrey (5 mi)
- Private schools in Edwardsville (12 mi)
- Private schools in Granite City (12 mi)
- Private schools in Collinsville (17 mi)
- Private schools in Fairview Heights (23 mi)
- Private schools in Belleville (28 mi)
- School choice in Illinois: what is available
Get one email when applications open
Most programs open once a year, and several ran out of money or seats in 2026. Pick your state (you are looking at Alton) and we will email you the day the next window opens, with the official link. That is the only email you get.
One email per application window. No calls, no sharing your details.
Questions parents ask
How many private schools are there in Alton?
3 private schools give Alton as their address: St. Mary School, Marquette Catholic High School and Center for Children To Heal and Achieve (Ccha). Counting nearby towns, we list 11: 3 in Alton and 8 within 12 miles of downtown. Together they enrolled about 1,379 students in the last federal survey (2023-24). The largest in Alton is Marquette Catholic High School with 371 students.
Does Illinois pay for private school?
No state program pays private school tuition. No Illinois program pays private school tuition. Invest in Kids, the state’s tax-credit scholarship, ended: donations made after December 31, 2023 earn no credit. Families can claim the Education Expense Credit, 25% of tuition, book rental and lab fees above the first $250, up to $750 per family a year. It is not refundable and is not allowed above $500,000 of adjusted gross income on a joint return ($250,000 for other filers).