Under the approved Dallas ISD 2019–2020 calendar, the school year will start for students on Aug. 19, include a full week off for Thanksgiving, and end for students on May 27. Important dates for the Dallas ISD calendar for 2019-2020 include: First Day For Students: Aug. 19 Staff/Student Holiday: Sept. 2 Elementary Fair Day/Secondary Professional … Continue reading See the approved Dallas ISD 2019–2020 calendar