Recognize that students have different learning styles. Vary the way you offer information so that all students can participate in the learning process. Provide opportunities for your students to work in diverse groups. Fear of the unknown can be the basis for some prejudice. Don't ignore conflicts when they surface.
Inaction is a sign of approval.
Be a role model. Give students the chance to see that all of us struggle with issues. Help students develop strategies for dealing with uncomfortable situations. It is important that you feel ready to discuss these issues with students. Look inside yourself.