St Peter Elementary School is a community of faith that celebrates together the good news of Christ by teaching doctrine, fostering community and encouraging service.
We offer each child a social, spiritual and academic experience that encourages a lifelong love of learning and the teachings of the church.
Beginning with our four year olds in K1 to our eighth graders, our students and their families are the vital participants in a vibrant educational journey guided by our committed and talented faculty.
Quick Stats (2025)
- Top Ranked MA School
- Grades: Prekindergarten-8
- Enrollment: 190 students
- Yearly Tuition: $11,225
- Average class size: 18 students
- Application Deadline: None / Rolling
- Source: Verified school update
Top Rankings
St. Peter School ranks among the top 20% of private schools in Massachusetts for:
Category
Attribute
School History
School Overview
School Membership(s)School Assoc.
Religious Affiliation
Grades Offered
Grades Prekindergarten-8
Year Founded
1901
School Calendar
First Day of School
Mon. Sep 1, 2025
Student Body
Total Students
190 students
Student Body Type
Co-ed
% Students of Color
41%
State avg.: 29%
Students by Grade
Academics and Faculty
Total Classroom Teachers
17 teachers
Student : Teacher Ratio
11:1
National avg.: 13:1
Average Class Size
18 students
Tuition and Acceptance Rate
Admission Deadline
None / Rolling
Yearly Tuition Cost
$11,225
Application URL
Source: Verified school update
Frequently Asked Questions
How much does St. Peter School cost?
St. Peter School's tuition is approximately $11,225 for private students.
What is St. Peter School's ranking?
St. Peter School ranks among the top 20% of private schools in Massachusetts for: Oldest founding date.
When is the application deadline for St. Peter School?
The application deadline for St. Peter School is rolling (applications are reviewed as they are received year-round).
In what neighborhood is St. Peter School located?
St. Peter School is located in the Observatory Hill neighborhood of Cambridge, MA.
Related Schools
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People that viewed St. Peter School also viewed these schools: Buckingham Browne & Nichols School, Shady Hill School, International School Of Boston, Cambridge Friends School and St. Theresa School.
The nearest high school to St. Peter School is Buckingham Browne & Nichols School (0.8 miles away)
The nearest elementary school and preschool is Cambridge Montessori School (0.3 miles away)
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Location
Miles
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Students
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(617) 547-6100
Cambridge, MA 02138
(617) 547-6100
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PK-12
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Grades: PK-8 | 531 students 0.8 miles 178 Coolidge Hill
Cambridge, MA 02138
(617) 520-5200
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PK-8
531
Grades: NS-12 | 579 students 1.4 miles 45 Matignon Road
Cambridge, MA 02140
(617) 499-1451
Cambridge, MA 02140
(617) 499-1451
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NS-12
579
Grades: PK-8 | 140 students 0.5 miles 5 Cadbury Road
Cambridge, MA 02140
(617) 354-3880
Cambridge, MA 02140
(617) 354-3880
0.5
PK-8
140
Grades: PK-8 | 192 students 1.1 miles 192 Summer St
Somerville, MA 02143
(617) 666-9116
Somerville, MA 02143
(617) 666-9116
1.1
PK-8
192
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