The community college where I teach Adult Ed, has announced three levels to be moved through in stages as conditions permit: online only, limited on-site for lab courses, increased on-site with sanitation & social distancing. All options (even a potential return to on-site for all classes) include online components to accommodate high-risk students and instructors who can’t safely be on campus. The summer will be entirely online, and we are to plan for an online only start up in the fall. I expect most K-12 schools have similar multiple levels of contingency plans as well. I also expect that many places will be using the summer to ramp up their online tools and instructor training so that the worst-case scenario can be accommodated quickly if necessary.