Many classroom teachers want to use differentiated instruction techniques more effectively to support student learning, but they are unsure where or how to start.

Enter Welda Simousek and Virginia Pickerell, two educators with a combined eighty years of experience working at all levels of public education. Together, Simousek and Pickerell have created "How to Get to the Heart of Differentiation," an indispensible guide to understanding and employing principles of differentiation in the classroom.

Including multiple examples of formative assessments appropriate for all grade levels,...