DeKalb’s Annual First Day of School Education Celebration for DeKalb County is set for tomorrow from 6-7:30 p.m. on the courthouse square the event is free, and will feature information booths, free school supplies, food and refreshments, and activities. Tomorrow is also school registration day in DeKalb County. All students will register on July 31, an abbreviated school day from 7:45-9:30 a.m. Aug. 1 will be an administrative day for teachers only, and the first full school day will be Aug. 4.