Last week, a threatening message written on a Gainesville High School bathroom wall led to a search of the school and heightened security the next day. Such problems put a focus on student discipline, a facet of public education the Gainesville and Hall County school districts take seriously. “We have a code of conduct that all of our principals in all of our 33 schools follow with just some broad guidelines,” said Hall County Superintendent Will Schofield. “... About 99 percent of discipline issues are going to involve the leader within that building.