Impaired speech or garbled, disjointed thoughts. Behavior that regularly interferes with effective management of your class. High levels of irritability, including unruly, aggressive, violent or abrasive behavior. Mood swings or normal emotions that are displayed to an extreme degree or for prolonged period of time, e.g. fearfulness, tearfulness, or nervousness. Dependency, e.g. the student who hangs around you, or makes excessive appointments to see you during office hours.
Suicide is the second leading cause of death among college students.
Eighty percent of those planning to commit suicide give warning of their intent. Bizarre or strange behavior that is inappropriate to the situation. Talk to the student in private. Show concern and interest. Repeat back the essence of what the student has told you.