Matthew Yglesias @mattyglesias
Kids doing better at math at all income levels, while gap between poorer and more affluent households narrows — PolitiTweet.org
Paul Novosad @paulnovosad
Income-based achievement gaps narrowed substantially in 4th and 8th from 1992 to 2015. Higher math skills at all i… https://t.co/BOuX1TtTxn