At funeral, Colleen Ritzer’s passion for teaching recalled Mourners gather in Andover for funeral of slain Danvers teacher ← Related Article Visit The Boston Globe Share on Twitter Share on Facebook Comment on this Scroll to top of page Jessica Rinaldi for The Boston Globe Mourners arrived at a funeral for Danvers math teacher Colleen Ritzer on Monday. Jessica Rinaldi for The Boston Globe Ritzer was allegedly murdered by one of her students last week. Jessica Rinaldi for The Boston Globe Pallbearers carried Ritzer's casket up the stairs of St. Augustine Church in Andover. Jessica Rinaldi for The Boston Globe As church bells tolled, the casket was carried up the steep stone steps into the church. Jessica Rinaldi for The Boston Globe The services were held one day after the church, which her family has been associated with for years, was used for her wake on Sunday. Jessica Rinaldi for The Boston Globe An estimated 1,000 mourners were in attendance, including 400 students from the Danvers school, officials said.