Mitch Finnegan, Weston Public Schools’ director of health and physical education, is retiring after 22 years of guiding the district’s health curriculum. (Courtesy photo/Mitch Finnegan) Nearly every student who has passed through Weston Public Schools in the last two decades has come across Mitch Finnegan in their health class. And even if he didn’t teach them, the longtime educator certainly still had a hand in their development.