The campus features five outdoor athletic fields, a 5,000 meter cross country track, a 1,600 seat gymnasium, a field house, wrestling room, an all-sports complex (formerly known as Conway Memorial Stadium), and a residence for the Jesuit priests that staff the school.

William, partial to the Jesuits, convinced his aunt to bequeath to the Society of Jesus her property and $100,000 for the building of an all-boys school that would be a memorial to her husband.

The school's campus was originally planned to be built in downtown Cuyahoga Falls near St. Joseph Parish School, but using the gift from Jane (which had grown to $2 million under William's stewardship, and to which the Cleveland Catholic Diocese added $1 million), 50 acres were purchased from the Conway family farm north of downtown, with an additional 50 acres purchased later.

[5] Despite the protests, the first girls entered the school at the beginning of the 1993-1994 academic year, and currently constitute approximately half of the overall student population.

[2] Walsh's mascot is the "Warriors," originally conceived as a reference to the Seneca Indians that had historically inhabited the school's campus locality.