In this Thursday, Sept. 14, 2017, file photo, buses await students at York Middle School in York, Maine. (AP Photo/Robert F. Bukaty, File)

FILE - Olivia Carson, then a 15-year-old sophomore, of Glenburn, Maine, left, stands with her mother Amy outside the Crosspoint Church-affiliated Bangor Christian Schools on August 28, 2018 in Bangor, Maine. (Gabor Degre/The Bangor Daily News via AP, File)