High school administrators remain unresponsive to repeated attacks, they claim.
The teacher, who was fired for alleged 'immoral behavior,' plans to appeal.
Scott Lyons lived through Patricia Jannuzzi, Immaculata High School's notoriously homophobic teacher, and he doesn't want one more LGBT student to endure the same lesson.
The teacher, who had substituted at the school, didn't get a full-time job offer because he's engaged to another man.
Nonbisexual students say they feel discriminated against because they are ineligible for an extra credit opportunity.
Nightline offers the best tearjerker of the week: a trans boy's tearful reunion with the counselor who first told him he could be himself.