St. John's School

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

Catholic

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.: 13:1

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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Quick Facts (2026)

Grades: Prekindergarten-8
Enrollment: 160 students
Application Deadline: None / Rolling
Source: National Center for Education Statistics (NCES)

Did You Know?

The average private school tuition in Connecticut is $24,960 for elementary schools and $39,344 for high schools (read more about average private school tuition across the country).

The average acceptance rate in Connecticut is 71% (read more about average acceptance rates across the country).