President Biden wants to give Americans four more years of free school: two years of pre-K and two of community college. In a two-part series, Today, Explained’s Haleema Shah explores the challenges of expanding public education. This episode was reported by Haleema Shah, fact checked by Laura Bullard, engineered by Efim Shapiro, edited by Matt Collette with help from Jillian Weinberger, and hosted by Sean Rameswaram. Transcript at vox.com/todayexplained. Support Today, Explained by making a financial contribution to Vox! bit.ly/givepodcasts. Learn more about your ad choices. Visit podcastchoices.com/adchoices