There is ongoing debate in the United States about just how diverse, inclusive, and equitable the opt-out movement--and grassroots education activism more broadly--has been over the past decade. Today, a prevailing stereotype holds that the opt-out movement predominantly mobilizes white, middle-class, and suburban parents and is therefore a force…

We analyzed two nationally representative, longitudinal data sets of U.S. children to identify risk factors for persistent mathematics difficulties (PMD). Results indicated that children from low socioeconomic households are at elevated risk of PMD at 48 and 60 months of age, as are children with cognitive delays, identified developmental delays…