St. John's School in Watertown, CT, serves 160 co–ed udents from pre–kindergarten through 8th grade in a suburban midsize community.
The school has a udent–teacher ratio of 10:1 with 16 teachers on staff, supporting a regular elementary and secondary Catholic education program.
Approximately 19% of the udent body represents diverse racial backgrounds, reflecting some community demographic variety.
John's School is one of several PK–8 Catholic schools in the Watertown area, with nearby options including. John The Evangeli School and St. Mary Magdalen School.
Quick Facts (2026)
- Grades: Prekindergarten-8
- Enrollment: 160 students
- Application Deadline: None / Rolling
- Source: National Center for Education Statistics (NCES)
School Overview
Religious Affiliation
Grades Offered
Grades Prekindergarten-8
Student Body
Total Students
160 students
Student Body Type
Co-ed
% Students of Color
19%
State avg.: 31%
Students by Grade
Academics and Faculty
Total Classroom Teachers
16 teachers
Student-Teacher Ratio
10:1
National avg.:
Tuition and Acceptance Rate
Admission Deadline
None / Rolling
Source: National Center for Education Statistics (NCES)
Frequently Asked Questions
When is the application deadline for St. John's School?
The application deadline for St. John's School is rolling (applications are reviewed as they are received year-round).
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