Waltham Mayor Jeanette McCarthy was reelected to a third term in office last week, defeating her 22-year-old opponent Andrew Wirth in a landslide victory.

Five incumbents retained seats as councilors-at-large, making Joe Vizard the only new councilor-at-large.

John Graceffa and Edmund Tarallo were elected as new members of the School Committee.

Incumbent Margaret Donnelly also won a seat.

Seven ward councilors were reelected in unopposed races while Gary Marchese and Stephen Rourke retained their roles as Ward Five councilor and Ward Eight councilor, respectively.

—Andrew Wingens