The Pearland ISD board of trustees approved the student calendar for the 2018-2019 school year during the March 6 board meeting. The 2018-2019 year will begin on Aug. 20 and will end on May 24. Here are the important dates to know: Aug. 20 – School starts Sept. 3 – Labor Day holiday Sept. 4 – Staff development day, no school Oct. 8 – Staff development day, no school Nov. 19-23 – Thanksgiving Holiday Dec. 21 – Half day Dec. 24-Jan. 8 – Christmas holiday for students Jan. 21 – Martin Luther King Jr. holiday Feb. 18 – Staff holiday, no school March 11-15 – Spring Break April 19 – Easter holiday May 24 – Last day of school, early dismissal day The schedule shows students enrolled for 172 days a year. There are 76,670 total minutes for students, allowing for extra minutes in case of bad weather.