Most Mass. middle schools reopen fully for in-person instruction on Wednesday By Naomi Martin and Felicia Gans Globe Staff,Updated April 28, 2021, 6:00 a.m. Email to a Friend Sixth-grade English language arts teacher Andrea Lavoie lectured at Boston Prep, a charter middle and high school in Hyde Park, in February.Lane Turner/Globe Staff Almost all public middle schools in Massachusetts will offer full-time, in-person instruction on Wednesday, marking an important next step in the stateâs effort to fully reopen all public schools this spring. Most elementary schools reopened earlier this month. State education officials announced Tuesday that all public high schools statewide must offer five-day-a-week in-person instruction by May 17.