Round Rock ISD, Pflugerville ISD and Hutto ISD have all delayed the start of school for students and staff Monday morning. Round Rock ISD elementary school students will start school at 9:40 a.m., middle school students at 10:20 a.m. and high school students will start school at 11:05 a.m. Pre-K in the morning will be 9:40 a.m.-12:15 p.m., while Pre-K in the afternoon will be 12:15-2:55 p.m. All before school hour activities have also been canceled. For Pflugerville ISD, elementary school students will begin classes at 9:40 a.m., middle school classes will start at 10:05 a.m. and high school classes will start at 11 a.m. Prekindergarten classes will also be on a two-hour delay. Buses will operate their regular bus routes on a two-hour delay. The school day will end at the normal time and school personnel will not be on campuses until the delayed start time. In Hutto ISD, schools will also be on a two-hour delay with elementary schools starting at 9:40 a.m. and middle schools and high school students starting at 10:30 a.m. Bus pickup for Hutto ISD will be two hours later than normal.