About Us

Welcome to St. Mary School, a Roman Catholic School located in East Islip, New York.  Our school was established in 1914 by the School Sisters of Notre Dame.  We continue to provide challenging academic programs rooted in the Catholic tradition for children in Nursery (3 year olds) through Grade 8.  St. Mary School prepares and inspires students to apply the gospel message to all areas of their lives.  We encourage all to think, to question, and to analyze in order to take their place as productive, cultured and educated Christians.  All are welcome.

PowerPoint Presentations.  Click to view
St. Mary School 100 years in pictures
St. Mary School History

News & Events

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The Technology Gig-A-Thon will be on Thursday, September 29th
.  Each class will be assigned a special time slot of attendance depending on class grade.  Please submit sponsor sheets to homeroom teachers no later than Wednesday, September 28th.  We hope to see all of our technology "masters" at the Gig-A-Thon.  This event is sure to be a "PokéBall" of a time!
Click here for the Technology Gig-A-Thon Flyer and Sponsor Sheet
St. Mary School 
16th Annual Golf Outing is being held at Timber Point Country Club, Great River, on Thursday, October 6, 2016.  Please  see the brochure below for more information!
Click here for Golf Outing Brochure

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We are now on Amazon Smile. Go to and search for St. Mary Church & School in East Islip. 0.5% of the purchase will support St. Mary
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Local Weather

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New York State Senate passes the bill.  
For more information click here for the article