Last Day of Classes/Final Assessments update

4/9/2026 9:19 pm

The last day of classes for the senior class will be Thursday, May 28. Graduation will be held at 2:00pm on June 7, 2026 with June 6, 2026 at 2:00pm as the rain date.

All other students will end on Monday, June 22th, and the last four days will be Final Assessment dates (June 16, 17, 18, 22), with school being closed on Friday, June 19 in observance of Juneteenth. Any student who missed Mon, the 22nd (History Assessment) will be expected to make it up on the 23rd.

Please also see the Senior Calendar of Events for 2025-26 school year for additional important dates for our seniors.
L-S 2025-2026 Calendar and JUNE ASSESSMENT Schedule including Bus Information.

The Lincoln-Sudbury Parent Organization is a non-profit organization made up of the parents and guardians of Lincoln-Sudbury Regional High School students. The LSPO is dedicated to facilitating engagement and communication between families and the school, as well as partnering with faculty and administration to support underfunded staff needs, student activities and efforts that encourage school spirit.