 Opened in 1998, O'Connor High School followed the tradition of all the Northside high schools in being named after a Supreme Court justice, Sandra Day O'Connor, who served from 1981 to 2006, and was the first female justice on United States Supreme Court.The school colors are navy blue, white and old gold and the mascot is the Panther.The first principal was Dr. Ken Patranella, who served from 1998 to 2003.