Walter Kelly accepts job as Highland Park principal By Carol Toler|2010-06-08T18:44:31-05:00June 8th, 2010| Walter Kelly (front row, red tie) helps unveil the Wild for Cats donor board in May It’s official. At 5:38 pm tonight, Walter Kelly was elected principal of Highland Park High School by the HPISD Board of Trustees. Sign up for our newsletter! * indicates required Email Address *