President’s Welcome - Mercy High School

Personal Focus. Global Perspective. Mercy Changes Everything.

President’s Welcome

Welcome to Mercy High School Baltimore—a private, Catholic, college preparatory school educating young women in the tradition of Catherine McAuley, founder of the Sisters of Mercy. Opened in 1960, Mercy High School continues the long history of Mercy education in Baltimore, first established at Mount Saint Agnes in 1867.

Mercy Baltimore is part of a network of over 198 Mercy secondary schools worldwide, including locations such as the United States, the Caribbean, New Zealand, Ireland, England, Africa, and South America. As in all these schools, Mercy Baltimore is committed to educating young women of confidence and competence, with belief in their power to make a difference in the world as women of faith, justice and compassion.

We hope your visit to our website will be enjoyable as well as informative. Please know that we would be pleased to welcome you warmly to our campus as well.


Mary Beth Lennon ’85 


A 1985 graduate of Mercy, Ms. Lennon is the first Mercy alumna and first permanent lay person to be named president. She was part of the leadership team that opened Cristo Rey Jesuit High School in 2007. Previously, Ms. Lennon served as Director of Corporate and Foundation Relations at Notre Dame of Maryland University and was Administrative Director at Brassica Protection Products, a biotech start-up. Earlier in her career, she worked in Washington, D.C., at the International Center for Journalists and the American Association for the Advancement of Science.

Ms. Lennon earned her Bachelor of Arts degree in history from Notre Dame of Maryland University in 1989. She also holds a Master of Arts degree in Latin American history from The Catholic University of America, in Washington, D.C. Ms. Lennon has served on several boards and in both 2011 and 2015, The Daily Record named her one of Maryland’s Top 100 Women.

Ms. Lennon is a member of St. Pius X Parish in Rodgers Forge.