Social and emotional learning (SEL) has been defined in various ways. One of the most commonly cited models, that of the Collaborative for Academic, Social, and Emotional Learning (CASEL), defines SEL as "the process through which students and adults acquire and effectively apply the knowledge, attitudes, and skills necessary to understand…

Formative assessment is a process used by teachers and students during instruction that provides feedback to adjust ongoing teaching and learning to improve students' achievements of intended instructional outcomes. Formative assessment means assessment embedded in instruction. That definition was adopted in 2006 by the Council of Chief State…