Mrs. Mattas received her Bachelor of Science in Education degree from Loyola University. She began her teaching career in the Chicago Diocese teaching at the grade school she attended as a child. Mrs. Mattas took a break from formal teaching, to raise her four sons; Stephen, Jim, Joe, and Jonathan: who are all alumni of Annunciation! She has been married to her high school sweetheart, Bill, for over 25 years. Mrs. Mattas began teaching Preschool at Annunciation School in 2009.