J. W. Hallahan Catholic Girls High School
| John W. Hallahan Catholic Girls' High School | |
|---|---|
Exterior, ca. 2009 | |
| Address | |
311 North 19th Street , 19103 United States | |
| Coordinates | 39°57′36″N 75°10′12″W / 39.96000°N 75.17000°W |
| Information | |
| Type | Private, All-Female |
| Motto | "Women of Faith, Purpose, and Vision" |
| Religious affiliation(s) | Roman Catholic |
| Established | 1901 |
| Closed | 2021 |
| School district | Archdiocese of Philadelphia |
| President | Mrs. Denise Kassekert |
| Principal | Michele B. Beachy |
| Chaplain | Rev. Christopher Lucas |
| Grades | 9-12 |
| Color(s) | Blue and White |
| Song | "O' Girls of the Hallahan High" (alumni) |
| Mascot | Mickey Mouse |
| Accreditation | Middle States Association of Colleges and Schools |
| Publication | Hourglass (Literary Magazine) |
| Newspaper | Sand Script |
| Yearbook | Silver Sands |
| Athletic Director | Mike Gallagher |
| Website | www |
John W. Hallahan Catholic Girls' High School was an all-girls Roman Catholic high school located in Philadelphia, Pennsylvania, United States within the Archdiocese of Philadelphia. It is the country's first all-girls diocesan Catholic high school.