The Norwegian language has two written standards, Bokmål (majority variety) and Nynorsk (minority variety), and children receive their schooling in one or other of them. Pupils schooled in Nynorsk acquire the Bokmål variety simultaneously through extracurricular exposure and thus develop what may be termed "bidialectal literacy". In this…

Beginning in 2007, the Literacy Program at the Right Age (Pacto pela Alfabetização na Idade Certa [PAIC]) in Brazil's Ceará state required municipal schools to implement a tiered, whole-school early-grade literacy intervention. This intervention was complemented by other policies to help municipalities improve student achievement. The present…