St. William the Abbot, located on Long Island’s south shore in Seaford, NY is a flourishing parochial school with a current enrollment of approximately 550 students in grade N-8.

We provide a strong religious education stressing Catholic values in a community-centered atmosphere that is truly an extension of the family. The focus of our faculty is to assist each child in the development of self-esteem, thereby, enabling continual growth.

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