St. Thomas School is a co-educational day school which serves students in grades Pre-K through six from Southington and its surrounding towns.
The St. Thomas community includes priests, school board, administration, faculty, staff, students, parents, and volunteers.
St. Thomas is able to provide a number of unique opportunities for the development of the total child due to the quality of its facilities.
The St. Thomas community is committed to helping its students develop the competencies and values required for active participation in a Christian way of life.
St. Thomas is dedicated to developing the child spiritually, academically, socially, and emotionally.
The mission of St. Thomas School is to provide an instructional program which gives all students an opportunity to achieve their maximum potential by recognizing individual differences in students, while reinforcing each student's positive self-image.
St. Thomas School strives to develop the social and emotional potential of each student by imparting to each child the self-worth and dignity of every member of God's family.
Quick Stats (2025)
- Grades: Prekindergarten-8
- Enrollment: 108 students
- Application Deadline: None / Rolling
- Source: National Center for Education Statistics (NCES)
School Overview
School Membership(s)School Assoc.
Religious Affiliation
Grades Offered
Grades Prekindergarten-8
Student Body
Total Students
108 students
Student Body Type
Co-ed
% Students of Color
29%
State avg.: 31%
Students by Grade

Academics and Faculty
Total Classroom Teachers
13 teachers
Student : Teacher Ratio
8:1
National avg.: 13:1
Tuition and Acceptance Rate
Admission Deadline
None / Rolling
School Notes
- St. Thomas School is a co-educational day school which serves students in grades Pre-K through six from Southington and its surrounding towns. The St. Thomas community includes priests, school board, administration, faculty, staff, students, parents, and volunteers. St. Thomas is able to provide a number of unique opportunities for the development of the total child due to the quality of its facilities. The St. Thomas community is committed to helping its students develop the competencies and values required for active participation in a Christian way of life. St. Thomas is dedicated to developing the child spiritually, academically, socially, and emotionally. The mission of St. Thomas School is to provide an instructional program which gives all students an opportunity to achieve their maximum potential by recognizing individual differences in students, while reinforcing each student's positive self-image. St. Thomas School strives to develop the social and emotional potential of each student by imparting to each child the self-worth and dignity of every member of God's family.
Source: National Center for Education Statistics (NCES)
Frequently Asked Questions
What schools are Southington Catholic School often compared to?
Southington Catholic School is often viewed alongside schools like St. Dominic School by visitors of our site.
When is the application deadline for Southington Catholic School?
The application deadline for Southington Catholic School is rolling (applications are reviewed as they are received year-round).
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