2026-2027 DD4 instructional calendar with school dates, breaks, holidays and workdays. Instructional Calendar 2026-2027 Dorchester School District Four First/Last Day of School August 5: First day of school for students January 5: First day for students after the break May 26: Last day of school for students Student & Staff Holidays: No School September 7: Labor Day October 7-9: Fall Break November 3: Election Day November 23-27: Thanksgiving Break December 21-January 1: Winter Break January 18: Martin Luther King, Jr. Holiday February 15: Presidents' Day March 29-April 2: Spring Break May 31: Memorial Day, offices and schools closed Teacher Work & Professional Days: No Students July 29-31 August 3-4 October 12 January 4 February 12 March 15 May 27 Early Release Days August 26 September 30 October 28 January 27 February 24 April 28 Weather Make-Up Days October 12 November 23 March 15 End of Terms October 13: End of 1st Quarter, 45th Day December 18: End of 2nd Quarter March 17: End of 3rd Quarter, 135th Day May 26: End of 4th Quarter Interim & Report Card Dates September 8: Q1 Interim October 15: Q1 Report Card November 17: Q2 Interim January 7: Q2 Report Card February 9: Q3 Interim March 23: Q3 Report Card April 27: Q4 Interim May 26: Q4 Report Card Half Days December 18 High School Graduation Date No date listed. The calendar covers July 2026 through June 2027 and uses color coding to identify school days, holidays, teacher workdays, early release days, weather make-up days, term endings, report card dates and half days. Additional information: DD4 is an SCDE-approved eLearning District. The current provision allows the district to use up to five eLearning days to make up for short-term disruptions to in-person teaching and learning.