The highest-achieving college students are prone to be least affected, stated Marguerite Roza, director of the Edunomics Lab at Georgetown University — maybe fewer will study superior math and science and enter rigorous professions like engineering. Congress has shown little appetite to add more funding, and plenty of districts will soon end or reduce programs. Among different strategies, Durham, N.C., a racially and economically diverse district that’s now absolutely recovered, asked its best lecturers to teach summer season college and paid $40 an hour, up from the identical old $25 rate. Combined with other techniques, like hiring native faculty college …