Labor Day this year is on Monday, Sept. 5. The first day of school for the 2022-2023 school year for Portland Public Schools students in grades 1-12 will be Tuesday, Sept. 6. Students in pre-kindergarten and kindergarten will start on Thursday, Sept. 8. Teachers will return to school on Aug. 29. The first early release day will be Wednesday, Sept. 7. View the 2022-2023 District Calendar for this information and more!