know the warning signs

Abrupt changes in personality

Giving away possessions

Previous suicide attempt

Use of drugs and/or alcohol

Change in eating pattern - significant weight change

Change in sleeping pattern - insomnia/oversleeping

Unwillingness or inability to communicate

Depression

Extreme or extended boredom

Accident prone (carelessness)

Restlessness

Unusual sadness, discouragement and loneliness

Talk of wanting to die

Perfectionism

Neglect of academic work and/or personal appearance

Chronic Pain, Panic or Anxiety

Family disruptions - divorce, trauma, losing loved one

Confusion - Inability to concentrate

Running away from home or truancy from school

Rebelliousness - reckless behavior

Withdrawal from people/activities they love

Know the risk factors

Problems with school or the law

Breakup of a romance

Unexpected pregnancy

Loss of security...fear of authority, peers, group or gang members

Stress due to new situations; college or relocating to a new community

Failing in school or failing to pass an important test

A serious illness or injury to oneself

Seriously injuring another person or causing another person's death (example: automobile accident) 

Major loss...of a loved one, a home, divorce in the family, a trauma, a relationship

A stressful family life. (having parents who are depressed or are substance abusers, or a family history of suicide)