St. Mary's School (Top Ranked 糖心原创 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.

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 $4,682 for elementary schools and $7,174 for high schools (read more about average private school tuition across the country).

The average acceptance rate in Madison County, IL is 95% (read more about average acceptance rates across the country).