https://www.wsj.com/articles/pandemic-learning-slide-continues-for-13-year-olds-making-full-recovery-unlikely-3fe4b085 https://www.wsj.com/articles/pandemic-lea

https://www.wsj.com/articles/pandemic-learning-slide-continues-for-13-year-olds-making-full-recovery-unlikely-3fe4b085 https://www.wsj.com/articles/pandemic-learning-slide-continu... Looks like a lot of it can be attributed to covid.