Hudson Valley Health Officials Push to Reopen Schools Full-Time Enter your number to get our free mobile app On Thursday, Ulster County Executive Pat Ryan announced that the Ulster County Department of Health reports schools can fully reopen with safety measures in the police. Ulster officials say they have made it a priority to vaccinate teachers, adding 95 percent of educators who wanted a vaccine have received at least one shot. By Saturday, March 13, all teachers and school staff members who requested the COVID-19 vaccine will have been vaccinated with at least one dose and will have completed both doses by the time they return from Spring Break, officials say.