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St. Mary

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Tel: (203) 753-2574

www.stmarywaterbury.org

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Saint Mary's Hospital is a Yale-affiliated urban hospital located at 56 Franklin Street, Waterbury, Connecticut.

Operated by Trinity Health, it was founded in 1907 by the Sisters of Saint Joseph of Chambéry and is designated as a Level II trauma center.

Quick Facts (2026)

Top-Ranked CT School
Grades: Prekindergarten-8
Enrollment: 253 students
Application Deadline: None / Rolling
Source: National Center for Education Statistics (NCES)

Top Rankings

St. Mary ranks among the top 20% of private schools in Connecticut for:

School Overview

School Membership(s)School Assoc.

National Catholic Educational Association (NCEA)
Other school association(s)

Religious Affiliation

Catholic

Grades Offered

Grades Prekindergarten-8

Year Founded

1907

Student Body

Total Students

253 students

Student Body Type

Co-ed

% Students of Color

66%

State avg.: 31%

Students by Grade

Academics and Faculty

Total Classroom Teachers

15 teachers

Student-Teacher Ratio

17:1

National avg.: 11:1

Tuition and Acceptance Rate

Admission Deadline

None / Rolling

Source: National Center for Education Statistics (NCES)

Frequently Asked Questions

What schools are St. Mary often compared to?

St. Mary is often viewed alongside schools like Our Lady Of Mount Carmel School by visitors of our site.

What is St. Mary's ranking?

St. Mary ranks among the top 20% of private schools in Connecticut for: Highest percentage of students of color, Largest student body and Oldest founding date.

When is the application deadline for St. Mary?

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

School Reviews

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Quick Facts (2026)

Top-Ranked CT School
Grades: Prekindergarten-8
Enrollment: 253 students
Application Deadline: None / Rolling
Source: National Center for Education Statistics (NCES)

Did You Know?

The average private school tuition in New Haven County, CT is $19,075 for elementary schools and $29,229 for high schools (read more about average private school tuition across the country).

The average acceptance rate in New Haven County, CT is 73% (read more about average acceptance rates across the country).