https://www.insidehighered.com/news/2021/07/01/report-suggests-algorithms-can-help-fix-remedial-education Rather than using placement tests, an algorithm that places them based on their past academic success tended to place students into more advanced classes where they passed at similar or higher rates as students in their placement-test-picked class. But as the article notes, a badly tuned algorithm can exacerbate inequalities, though this doesn't seem to be present here: