AppleTree Institute for Education Innovation, a nonprofit organization in Washington, D.C., is working to close the achievement gap before children enter kindergarten by providing 3- and 4-year-olds with the social, emotional, and academic foundations that enable them to thrive in school--and increasing educator effectiveness is a critical…

At its core, inquiry--whether conducted with students or teachers--is a process of making observations, asking questions, working with evidence, and interpreting data. Even though research shows well-documented benefits to understanding content, secondary teachers often hesitate to incorporate inquiry for learning. This article presents two…