There's Malden Catholic High School, and Malden High School ... two different institutions: one private, one government. This pervert was apparently employed at both, at different times. Savio Prep is probably Catholic (named for St. Dominic Savio).
Savio Prep is probably Catholic (named for St. Dominic Savio).
Being Liberal MA, I just assumed it was a Liberal cesspit named for "Saint" Mairo Savio, of 1960s UC-Berkeley "Free Speech Movement" infamy.