Home > New York > Suffolk County
16 Harrison Ave
East Islip, NY 11730
Tel: (631) 581-3423
St.Mary School was established in 1914 by the School Sisters of Notre Dame.
Now in our ninetieth year, we continue to provide challenging academic programs rooted in the Catholic tradition for children in Nursery (3 year olds) through Grade 8.
The dedication and strong commitment of the administration, faculty, staff, clergy, and parents to continued growth and quality Catholic education permeates the strong family – centered school community.
Centered in the Word of God and the gift of Jesus in our midst, the mission of St.
Mary School is to educate the whole child.The school's role in leading students toward a life of Gospel values is to work in partnership with parents to foster academic, spiritual, and moral development.
Quick Stats (2024)
- Top Ranked NY School
- Grades: Prekindergarten-8
- Enrollment: 516 students
- Application Deadline: None / Rolling
- Source: National Center for Education Statistics (NCES)
Top Rankings
St. Mary School ranks among the top 20% of private schools in New York for:
Category
Attribute
Student Body
Largest student body
School Overview
School Membership(s)School Assoc.
National Catholic Educational Association (NCEA)
Religious Affiliation
Catholic
Grades Offered
Grades Prekindergarten-8
Student Body
Total Students
516 students
Student Body Type
Co-ed
% Students of Color
33%
State avg.: 40%
Students by Grade
Academics and Faculty
Total Classroom Teachers
24 teachers
Student : Teacher Ratio
22:1
National avg.: 13:1
Tuition and Acceptance Rate
Admission Deadline
None / Rolling
School Notes
- St. Mary School was established in 1914 by the School Sisters ofNotre Dame. Now in our ninetieth year, we continue to providechallenging academic programs rooted in the Catholic tradition forchildren in Nursery (3 year olds) through Grade 8. The dedicationand strong commitment of the administration, faculty, staff,clergy, and parents to continued growth and quality Catholiceducation permeates the strong family – centered school community.Centered in the Word of God and the gift of Jesus in our midst, themission of St. Mary School is to educate the whole child. Theschool's role in leading students toward a life of Gospel values isto work in partnership with parents to foster academic, spiritual,and moral development.
Source: National Center for Education Statistics (NCES)
Frequently Asked Questions
What is St. Mary School's ranking?
St. Mary School ranks among the top 20% of private schools in New York for: Largest student body.
When is the application deadline for St. Mary School?
The application deadline for St. Mary School is rolling (applications are reviewed as they are received year-round).
School Calendar
View the St. Mary School yearly calendar below. Note key dates such as:
Event
Date
President's Day School Closed
February 19, 2024 (Monday)
Winter Recess School Closed
February 20, 2024 (Tuesday)
Winter Recess School Closed
February 21, 2024 (Wednesday)
Winter Recess School Closed
February 22, 2024 (Thursday)
Winter Recess School Closed
February 23, 2024 (Friday)
Show me:
People that viewed St.Mary School also viewed these schools: West Sayville Christian School, Smithtown Christian School, Holy Angels Regional School, and Chatterbox Day School.
The nearest high school to St.Mary School is West Sayville Christian School (5.1 miles away)
The nearest elementary school and preschool is Chatterbox Day School (0.9 miles away)
Show me:
Show me:
School
Location
Miles
Grades
Students
West Sayville Christian School
(Christian)
(5)
Grades: K-11 | 48 students 5.1 miles 37 Rollstone Avenue
West Sayville, NY 11796
(631) 589-2180
5.1
K-11
48
Smithtown Christian School
(Christian)
(8)
Grades: K-12 | 347 students 8.3 miles 1 Higbie Dr
Smithtown, NY 11787
(631) 265-3334
8.3
K-12
347
Holy Angels Regional School
(Catholic)
Grades: PK-8 | 319 students 9.5 miles 1 Division St
Patchogue, NY 11772
(631) 475-0422
9.5
PK-8
319
(Catholic)
Grades: PK-8 | 248 students 10.6 miles 359 Clinton Ave
Saint James, NY 11780
(631) 584-7896
10.6
PK-8
248
Chatterbox Day School
Daycare / Preschool
Grades: PK-1 | 61 students 0.9 miles 52 Hawthorne Ave
East Islip, NY 11730
(631) 581-4756
0.9
PK-1
61
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Quick Stats (2024)
- Top Ranked NY School
- Grades: Prekindergarten-8
- Enrollment: 516 students
- Application Deadline: None / Rolling
- Source: National Center for Education Statistics (NCES)
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Did You Know?
The average private school tuition in Suffolk County, NY is $20,791 for elementary schools and $29,814 for high schools (read more about average private school tuition across the country).
The average acceptance rate in Suffolk County, NY is 82% (read more about average acceptance rates across the country).
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