(Vancouver, WA) -- Things are getting back to normal at a Clark County middle school following threats of violence earlier this week. The Clark County Sheriff's Office says it investigated the potential threat against Thomas Jefferson Middle School in Vancouver on Wednesday and Thursday. School officials called police after a student reported hearing another student make the threat. Deputies questioned the student and their parents. The student didn't have access to weapons, but was kept home from school on Thursday. A second student was also reported yesterday. The Sheriff's Office says neither student posed a credible threat.