High schoolMount Greylock Regional School Open until 11:59 PMSaveAddress1781 Cold Spring Rd, Williamstown, MA 01267Phone(413) 458-9582Websitehttp://mgrsd.org/ HoursMonday: Open 24 hoursTuesday: Open 24 hoursWednesday: Open 24 hoursThursday: Open 24 hoursFriday: Open 24 hoursSaturday: Open 24 hoursSunday: Open 24 hours← Back home