Summer Academy Graduation Set SMITHFIELD-- Approximately 18 Seniors from Johnston County Schools high schools will graduate from the 2004 Summer Academy on Tuesday, July 13 at 1 p.m. Dorothy Johnson, who serves as Vice-Chairman of the Johnston County Board of Education, is the featured speaker. The students will wear caps and gowns representing their home high schools, according to Linda Edmundson, the principal for the Academy's afternoon session.