Header image: Teresa Przybyslawski, an interventionist at Chicago’s Brunson Elementary School, works with a student on multiplication and division using flashcards. School districts around the country are pushing to help students bounce back from the pandemic’s profound academic damage. | Christian K. Lee / For Chalkbeat

This story was originally co-published by Chalkbeat and the Washington Post as part of an ongoing collaboration on education policy reporting. Sign up for newsletters from Chalkbeat at ckbe.at/newsletters.