Diego Fonseca looked at the computer and took a breath. It was his final attempt at the math placement test for his first year of college. His first three tries put him in pre-calculus, a blow for a ...

A student uses his phone to copy the whiteboard at the end of a summer math boot camp session on Thursday, Aug. 1, 2023 at George Mason University in Fairfax. Va. Diego Fonseca looked at the computer ...