mask mandate August 25, 2021 9:20 am Mass. School Mask Mandate Expected Wednesday The Mass. DESE is expected to issue a mask mandate for all students K-12 Wednesday. US & World Videos 5:31 Inside the takedown of Mass. catalytic converter theft ring 2:58 Karen Read trial: Defense accuses prosecution witness of perjury 2:24 Gov. Maura Healey reacts to Steward bankruptcy filing 2:33 Karen Read trial resumes Monday 2:07 Steward Health Care files for bankruptcy