Students in three north Iowa school districts have developed an app to report school-related threats in their community, the Mason City Globe Gazette reports.Threat Reporting, developed in collaboration with the Mitchell County Sheriff’s Department, will soon be available on iOS for students, faculty and administrators in the St. Ansgar, Osage and Riceville school districts. Development was overseen by science teacher Devin Schwiesow of St. Ansgar and math/computer science teacher Kris Kyhl of Osage.