Mary Callahan is the 7th and 8th grade math teacher. She graduated from the University of Dallas, a long time ago. Mrs Callahan and her family are members of St. Ann’s Parish, where she taught for over 20 years. All five of her children attended St. Ann’s, Bishop Miege or Rockhurst, and various colleges all over the United States. Her youngest is going to be a Senior at the University of Dallas and the rest of her children are employed in either Dallas or Kansas City. Mrs. Callahan is looking forward to her third year at St. Agnes.