Just because a person is suicidal doesn't mean suicide will always be an option. Having previously failed an attempted suicide doesn't protect someone from another attempt. Draws or writes about death and suicide. Avoids friends and activities which had been enjoyable in the past. Growing periods of depression and shutting people out from their true feelings.
Student is under extreme pressures, such as abuse, loss of someone close, tragedy, etc.
Student becomes angry or sad for no apparent or obvious reason. Student begins to abuse alcohol and other drugs, or exhibits other high-risk behaviors. Attempted suicide in the past. Social isolation is common. Frequently exhibit low self-esteem.