In 1953 the original three-story building received an additional two-story wing along the eastside. It connected and integrated the exterior brick façade as part of the interior. The space was utilized for physics and biology labs and the cafeteria. in 1996 the school received permission form the Archdiocese to build a $3.5 million expansion to the school, which was funded by the many alumni, friends, and foundations who recognized the historical importance of sustaining a Catholic high school presence in Center City. This wing, which is dedicated as Renaissance Hall housed an expansion of the cafeteria, a new discipline office, one classroom, and an information center which housed the library, computer lab, and television studio (named after broadcaster John Facenda. an Alumni). Also during this project, the labs in the 1954 wing were completely gutted and remodeled with new technology, furniture, and equipment. The Library and Information Center was renovated in the summer of 2013 upgrading computers, copiers, printers and furniture named in honor of John and Mary McShain.