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)
- Top Ranked CT School
- Grades: Prekindergarten-8
- Enrollment: 108 students
- Yearly Tuition: $25,000
- Acceptance rate: 25%
- Average class size: 15 students
- Application Deadline: None / Rolling
- Source: Verified school update
Top Rankings
Southington Catholic School ranks among the top 20% of private schools in Connecticut for:
School Overview
School Membership(s)School Assoc.
Religious Affiliation
Grades Offered
Grades Prekindergarten-8
Year Founded
1905
First Day of School
Fri. Aug 15, 2025
Last Day of School
Mon. May 25, 2026
Campus Size
50
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.:
Average Class Size
15 students
Number of AP Courses
15 courses
Tuition and Acceptance Rate
Admission Deadline
None / Rolling
Yearly Tuition Cost
$25,000
Acceptance Rate
25%
National avg.: 81%
Endowment Size
$50 million
School Notes
- School Motto: Truth and Honor
- School Mascot: Wild Boars
- 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.
- Sample of notable school alumni/alumnae:
- John Doe, Nobel Laureate -
- Jane Smith, Academy Award Winner -
Source: Verified school update
Frequently Asked Questions
How much does Southington Catholic School cost?
Southington Catholic School's tuition is approximately $25,000 for private students.
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.
What is the acceptance rate of Southington Catholic School?
The acceptance rate of Southington Catholic School is 25%, which is lower than the national average of 70%. Southington Catholic School's acceptance rate is ranked among the top private schools in Connecticut with low acceptance rates.
Who are famous alumni from Southington Catholic School?
Southington Catholic School famous alumni include: John Doe, Nobel Laureate and Jane Smith, Academy Award Winner.
What is Southington Catholic School's ranking?
Southington Catholic School ranks among the top 20% of private schools in Connecticut for: Lowest average acceptance rates and Oldest founding date.
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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