BISD students will attend school for a half-day on Wednesday, Sept. 21. High school students will be dismissed at 11:30 a.m.; elementary students at 12:10 p.m.; and middle school students at 12:40 p.m. Prekindergarten and PPCD morning students will attend from 8:10 a.m. to 10:10 a.m., and afternoon students will attend from 10:10 a.m. to 12:10 p.m.