We know that opportunities exist in the United States, but if we hope to share these more equitably, we need to better understand the ways opportunities currently vary among individuals, families, states, and regions of the country. Using key measures of well-being (including poverty, income, employment, safety, and health) for each state, along…

Chetty et al. (2022) say county density of cross-class friendships (referred to here as "adult-bridging capital") has causal impacts on social mobility within the United States. We instead find that social mobility rates are a function of county density of family capital (higher marriage rates and two-person households), community…

The middle grades mathematics classroom is full of transitions that students must overcome to become successful long-term learners of mathematics. This transition can be exorbitantly more tumultuous for Black girls who must overcome gender and racial mathematics achievement stereotypes. Mathematics identities and achievement socialization trends…

The 21st century will require knowledge and skill well beyond the basic levels of reading and arithmetic that American schools know how to produce more or less reliably. Delivering a "thinking curriculum" to all American students requires major reform in the ways schools and districts organize their work. The transformation of the…