Teagan attended Oakmont Regional High (Ashburnham) and Barnstable High. After a Gap Year, she will attend Bryant College. At Bryant, she has been recruited to the Rowing Team as Bryant moves up to Division 1 competition. During High School, she worked at the Oyster Harbors Club and babysat, overseeing child care. She was accredited in Basic Life Support by the AHA. She was Co-President of Greenwood Gives Back, a Lions club program for eyeglasses and hearing aids. Academically, she received highest honors. She was a member of the Oakmont and Mashpee Swim Team, and the Cape Cod Rowing Team. In 2020, she was named Female Youth Athlete of the Year in the under age 18 group.