John W. Hallahan Catholic Girls High School Home

At A Glance

  • 20:1 Student to Faculty Ratio
  • 17 Million+ In College Scholarships, Class of 2019
  • 70% Teachers have Masters Degrees
  • 96% Pursue Higher Education
  • 12 AP Classes
  • awardAward Winning Robotics Class
  • globeDiverse Population coming from 2 states and 3 Philadelphia area counties
  • 31 Extracurricular clubs and athletics
  • handshakeOST Program with Girls Inc. partnership

News & Announcements

Upcoming Events

Katherine Dang, Class of 2019

My spiritual relationship has grown through my time at Hallahan. I never felt more connected to God until I was here. I am forever grateful for the chance Hallahan gave me.

Ava Cima, Class of 2021

Hallahan Day was so much fun! I got to spend time with my big sister and friends. I can’t wait for next year!

Dena Itri, Class of 2022

My experience at Hallahan has been everything I thought it would be and much more! I have created inseparable bonds, been given marvelous opportunities and have grown so much academically and personally.

Support Us!

John W. Hallahan Catholic Girls’ High School develops the intellectual, spiritual, and emotional potential of each student within a diverse Catholic academic community.  The Hallahan community works closely with its members to cultivate the leadership potential of each student. Through participation in Hallahan’s deeply rooted traditions, rigorous academics, and broad range of engaging activities and service, each young woman is encouraged to develop a vision for her future and is empowered with the faith and skills necessary to become a productive member of the global community.