The Americans with Disabilities Act says schools have to help not just students but parents with disabilities, too, like making sure deaf or blind parents can communicate during parent-teacher conferences. But what happens when kids are learning at home? That’s uncharted territory. Rosabella Manzanares, a first-grader at Betsy Ross Elementary in Forest Park, Ill., has a spelling test. Like so many kids around the country, she’s taking the test at home, sharing a Zoom screen with a class full of other boisterous 6-year-olds.