September 2 First Day of School K-8, PK, PS T/Th Hillside Academy 26423 NE Allen St, Duvall, WA, United States
September 3 First Day of School PS M/W/F Hillside Academy 26423 NE Allen St, Duvall, WA, United States
June 2, 2026 PS T/Th | Last Day of School Hillside Academy 26423 NE Allen St, Duvall, WA, United States
