This document provides an overview of formative assessment and its benefits. It discusses how formative assessment involves sitting with the learner and providing feedback to help them close learning gaps. Formative assessment directly impacts student growth, while summative assessment only measures outcomes. Research shows formative assessment, when implemented through feedback, student involvement, teaching adjustments, and self-assessment, can significantly improve learning. The document explores convergent and divergent assessment models and provides resources for learning more about effective formative practices.