The Spring 2021 Detail Calendar with which periods are on which day is available here. The Fall 2020 Detail Calendar with which periods are on which day is available here. Your browser must support JavaScript to view this content. Please enable JavaScript in your browser settings then try again. Events calendar powered by Trumba 31 Monday May IUSD: Memorial Day Observance May 31, 2021 Read More 4 Friday June IUSD: Last Day of School 2020-21 June 4, 2021 Read More 7 Monday June IUSD: Student Summer Break June 7, 2021 to August 18, 2021 Read More