121-147 West 91st Street (Trinity School and the Former St. Agnes Parish House)
Date: 1893-94/ 1890-92
Type: School and Parish House
Architect: Charles Coolidge Haight and William Appleton Potter
NYC Landmarks Designation: Individual Landmark
Landmark Designation Report: Trinity School and the Former St. Agnes Parish House
Primary Style: English Collegiate Gothic
Facade (primary material): Brownstone
Stories: 4 with basement
Window Type: One-over-one double-hung
Structure: Masonry bearing walls