Saint Margaret Mary Church is located on Long Hill Ave. in Shelton and is a Roman Catholic congregation. Masses are held every day with three different services available on Sundays. Monsignor Thomas J. Whalen is the lead pastor, and Reverends Christopher J. Samele and Nello Barachini are also in available at Saint Margaret Mary's.
St. Joseph School is a Catholic educational institution providing instruction for students in pre-K through eighth grade, along with an after-school program. The curriculum includes English, language arts, religious studies, physical education, math, Spanish and social studies.