St. Mary's School (Top Ranked 草榴社区 School for 2026-27)

Home > Illinois > Madison County > Alton

St. Mary's School

1015 Milton Rd Alton, IL 62002

Tel: (618) 465-9719

Quick Facts (2026-27)

Top Ranked IL School
Grades: 7-9
Enrollment: 82 students
Application Deadline: None / Rolling
Source: National Center for Education Statistics (NCES)

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About the School

St. Mary's School in Alton, IL, serves 82 co鈥揺d udents in grades 7 through 9 within a suburban community setting.
Founded in 1858, the Catholic鈥揳ffiliated school employs 7 teachers for a udent鈥搕eacher ratio of 12:1.
The school offers 10 Advanced Placement (AP) courses and charges an annual tuition of $25,000.
Mary's enrollment reflects 7.3% udent diversity and the campus occupies 5 acres.
Among private schools in Illinois,.
Mary's ranks in the top 20% for school hiory and resources based on founding date and endowment size.

Quick Facts (2026-27)

Top Ranked IL School
Grades: 7-9
Enrollment: 82 students
Application Deadline: None / Rolling
Source: National Center for Education Statistics (NCES)

School Rankings

St. Mary's School ranks among the top 20% of private schools in Illinois for:

School Facts

Religious Affiliation

Catholic

Grades Offered

Grades 7-9

Students By Grade

View Data

Distribution of Students By Grade
Grade	St. Mary's School
6	35
7	27
8	20

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Year Founded

1858

School Calendar

Campus Size

5 acres

Student Body

Total Students

82 students

Student Body Type

Co-ed

% Students of Color

State avg.: 34%

Academic Profile

Total Classroom Teachers

7 teachers

Student-Teacher Ratio

12:1

National avg.:

Number of AP Courses

10 courses

School Membership(s)School Assoc.

Other school association(s)

Tuition & Financial Aid

Admission Deadline

None / Rolling

Application URL

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Frequently Asked Questions

What is St. Mary's School's ranking?

St. Mary's School ranks among the top 20% of private schools in Illinois for: Oldest founding date and Largest endowments.

When is the application deadline for St. Mary's School?

The application deadline for St. Mary's School is rolling (applications are reviewed as they are received year-round).

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Did You Know?

The average private school tuition in Madison County, IL is $6,245 for elementary schools and $10,145 for high schools (read more about average private school tuition across the country).

The average acceptance rate in Madison County, IL is 86% (read more about average acceptance rates across the country).