Mission CISD administrative offices will be closed for a short summer break beginning Thursday, June 27. Offices will reopen on Thursday, July 12. Office hours for that day and Friday, July 13 will be 8:00 a.m.-5:00 p.m. On Monday, July 16, office hours will switch to traditional summer hours which are: Monday-Thursday, 7:30 a.m.-6:00 p.m., closed on Fridays.