Sexual harassment can include:
Touch of a sexual nature
Making sexual comments, jokes, or gestures
Writing graffiti or displaying or distributing sexually explicit drawings, pictures, or written materials
Calling students sexually charged names
Spreading sexual rumors
Rating students on sexual activity or performance
Circulating, showing, or creating e-mails or web sites of a sexual nature
(from U.S. Department of Education Office for Civil Rights).
In a strong, firm tone of voice and with a serious face, tell the person to stop, and point out exactly what behavior needs to stop.
Tell someone trustworthy about the sexual harassment.
Report the sexual harassment to a trustworthy teacher, counselor, or online.
Don't respond to harassing or threatening text messages. Instead, save the messages and show them to a trusted adult.
(from "Crossing the Line: Sexual Harassment at School")
Parents and other concerned adults should respond sensitively and appropriately when students tell them about a sexual harassment incident.
Listen to the student carefully and respectfully
Avoid voicing judgment or using victim-blaming language
Answer questions to the best of your ability
Advise the student to record the incident in writing, including as much detail as possible about what happened and listing anyone who saw the incident
Assist student as necessary if they choose to report the harasser to school officials
Provide continual emotional support for the student, no matter what course of action they choose to pursue
(from "Crossing the Line: Sexual Harassment at School")
Foster feelings of empathy and respect for other in your children
Talk to your children about what healthy friendships and dating relationships look like
Explain what sexual harassment and sexual assault are
Take an interest in your children's day, their friends, and the activities they're involved in at school
Encourage your children to know how to stand up for themselves and teach them assertiveness and self-defense
Fine out what your school's sexual harassment policy is, and make sure your children understand it
(from "Crossing the Line: Sexual Harassment at School")