There was a point last fall when school districts across the country were poised to finally fully return to in-person instruction. But as omicron cases surged among students and school staff, many of those plans had to change. Some districts decided to remain open, and, in others, teachers are bouncing between in-person and virtual instruction. Marketplace’s Kimberly Adams has a story featuring several of these teachers. For some, virtual classes are an easier lift now compared to the start of the pandemic, but even as they struggled, some teachers have realized unexpected benefits of remote learning.