Alison L. Bailey is Professor of Human Development and Psychology at the University of California, Los Angeles, working on issues germane to children’s linguistic, social, and educational development. She has published widely in these areas, most recently in Annual Review of Applied Linguistics, Teachers College Record, Educational Researcher, and Review of Research in Education. Her previous books with Margaret Heritage include Formative Assessment for Literacy, Grades K-6 (Corwin Press) and Self-Regulation in Learning: The Role of Language and Formative Assessment (Harvard Education Press). Other recent books include Children’s Multilingual Development and Education: Fostering linguistic resources in home and school contexts (Cambridge University Press), and Language, Literacy and Learning in the STEM Disciplines: How language counts for English Learners (Routledge Publishers). She serves as a member of the National Assessment of Educational Progress (NAEP) Standing Committee on Reading, the National Council on Measurement in Education (NCME) Task Force on Classroom Assessment, and the National Academy of Sciences’ Consensus Committee on English Learners in the STEM Disciplines.