A graduate of the College of the Holy Cross, Mary McDonnell joined Success Academy in 2017 as an eighth grade STEM teacher at SA Harlem North Central (HNC). The following year, she became a grade team lead and taught fifth grade math. In 2020, she became an assistant principal at SA HNC where she managed all of fifth grade in addition to middle school math. In 2021, Ms. McDonnell rose to the role of principal. Outside of school, she loves reading, running, enjoying the beach, and spending time with her nephews and family in Westchester.
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