On a recent night at Seattle Central Community College, Carl Ellison solved basic math problems on a timed test his teacher gave the class as a warm-up. Ellison, who is 57 and homeless, has passed ...

Betsy, left, and Gary Keep instruct a geometry lesson to this semester’s final virtual GED math class from their home in Dallas on Thursday, April 22, 2021. The Keeps are teachers with the Dallas ...