The American Institutes for Research (AIR)

Established in 1946, the American Institutes for Research (AIR) is a nonpartisan, not-for-profit organization that conducts behavioral and social science research and delivers technical assistance both domestically and internationally in the areas of education, health and the workforce. AIR’s work is driven by its mission to generate and use rigorous evidence that contributes to a better, more equitable world. With headquarters in Arlington, Virginia, AIR has offices across the U.S. and abroad. For more information, visit www.air.org.The Center for English Learners at AIR is committed to reducing the achievement gap and improving outcomes for English learners by connecting rigorous research to policy and practice. In addition to professional development related to COLLTS, Center staff conduct research related to teaching and learning; perform policy studies; provide technical assistance to states and districts to enhance English language learning; and support schools in implementing Attaining Core Content for English Language Learners (ACCELL), the AIR research-based approach for supporting teachers with English learners in their classrooms. For more information, visit air.org/center/center-english-language-learners-ells-air.