11.26.2018 Bishop McGann-Mercy Life after Mercy: How students are moving on after school’s closing Disbelief and shock spread throughout the Bishop McGann-Mercy community in March when the news hit that the Riverhead Catholic high school was set to close at year’s end.
02.21.2017 Slideshows See photos from Mattituck’s championship win over Mercy The Mattituck girls basketball team won its second consecutive Class B county championship Tuesday afternoon by defeating Bishop McGann-Mercy.