Important Dates 2023-2024 First day of school: July 31 Labor Day (no school): Sept. 4 Indigenous Peoples Day (no school): Oct. 9 Veterans Day substitute (no school): Nov. 10 Thanksgiving Break (no school): Nov. 20-24 Semester Break (no school): Dec. 20-Jan. 9 Martin Luther King Jr. Day (no school): Jan 15 Winter Break (no school): Feb. 26-Mar. 1 Spring Break (no school): Apr 1-Apr 5 Last day of school: May 24