Success academies is an all-virtual approach as an alternative to all-teacher classroom learning. So too, Uncommon Schools, a learning network. (See the Economist 11/21/20 issue.)
One of the ideas brought up in a recent Brookings discussion on education during the pandemic is having teachers specializing in their educative training to act as coach to the students during their learning online time. I think there's need for this, having had experience in offering courses over mass media. Human motivating is a vital part of the learning experience, in my opinion; and should be incorporated.