Mrs. Stacy Brennan grew up in Downingtown, PA. She attended Penn State University where she received a BS in Health and Physical Education, and West Chester University, where she received an MS in Elementary Education. In the past, she taught in the Downingtown Area School District and St. Elizabeth Parish School, and now this is her fourth year teaching at St. Agnes.

Mrs. Brennan is married to Frank and has three children. Kaitlin graduated from college in 2017 and is now a nurse in Wisconsin. She married her college sweetheart, Sam, on July 3, 2019 and is attending graduate school to become a nurse practitioner.  Drew graduated from the University of Pennsylvania with a degree in Economics this year, and was the kicker on the football team for all 4 years.  He will be moving to Washington, DC this summer to begin his job as a consultant.   Caroline is finishing up 11th grade at Downingtown East High School and plays basketball and lacrosse.  She is committed to play lacrosse at Monmouth University in New Jersey after she graduates in 2021.  

Mrs. Brennan has a passion for teaching and loves to see joy on the students' faces! She has loved adding health into her teaching schedule this year!!!  In her spare time, she enjoys reading, spending time with her family, watching her children’s sporting events and going to the beach as well as the mountains.  She also enjoys playing with and walking her new puppy.