WILLISTON, N.D. (AP) — Students in North Dakota penned letters of support for a girl who's been bullied after moving to a new school in Iowa.

A 2016 study shows one in five students, ages 12 through 18, say they've been bullied. Abigail Hatfield joined that statistic when she moved from Williston in 2015 and was bullied in her school in Iowa, KXMB-TV (http://bit.ly/2pZfMwp ) reported.

After being informed of Hatfield's situation at her new school, Tracy Shirk, a Williston teacher, asked Hatfield's mother if her students could become pen pals with her daughter.

"She was like, 'Absolutely and yo...