Pre-K through Grade 8

Providing spiritual and educational leadership


Phone: 203-269-4477

Fax: 203-294-4983

8:00 A.M. - 2:25 P.M.

Monday to Friday


P: 203-269-4476

F: 203-294-4983

11 North Whittlesey

Wallingford, CT

8:10am - 2:25pm

Monday to Friday

Continuing the Mercy Tradition

Holy Trinity School From Outside

Our School

Principal's Welcome

History Group Photo


Kids Sitting in Class

Quick Facts

Kids Welcoming People Into the School

School Board

Faculty and Staff

Faculty & Staff

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