A former McKinney High School student has filed a lawsuit against McKinney ISD, claiming she was sexually harassed and as a result, was unable to receive an equal education compared to other students.Stephanie Schwehn and her mother, Cindy, filed the suit Tuesday in U.S. District Court for the Eastern District of Texas in Marshall. They allege Stephanie was harassed for two years by about 30 cheerleaders, their friends and football players, who called her names such as “slut” and “whore” while administrators stood by. Story....