If you're being harassed, experts recommend directly confronting your harasser. You should name the offensive behavior and be honest that it is uncomfortable. Don't let the harasser make excuses. Be firm about your feelings and insist it stops. If you feel too uncomfortable confronting this person, or are confused about a particular situation, seek out a guidance counselor, teacher or principal to discuss the matter. Since Title IX of the Education Amendments of 1972 states that you are protected from discrimination in an educational setting, your school should have a sexual harassment policy.
If you are being sexually harassed at work, tell your boss. It is up to you if you want to file a formal or legal complaint. You can find out more information about your company's sexual harassment policy through the human resources department or a union representative. If you are can't file a complaint through your job, check out The U.S. Equal Employment Opportunity Commission.