Located here for the convenience of Miami-Dade Residents is the 2022-2023 School Calendar for the Miami-Dade School District. School begins on Wednesday, August 17th, 2022 in Miami-Dade. Miami-Dade’s last day of school in 2023 is Wednesday, June 7th, 2023. School calendars rarely alter from year to year. Next year, however, the board agreed to add a fall break. Students and staff will have off the week of Thanksgiving.