How? They develop greater conceptual knowledge and achieve more because of the complexity and breadth of our curricula and what they are exposed to, the authentic and challenging materials and texts that they are engaged with, the quality of their peers and a student culture that is invested in learning, and the advanced vocabulary our teachers use when they talk with students.
Check out this 8-minute talk by Dr. Nonie Lesaux, a professor of education at the Harvard Graduate School of Education, in which she shares her research about “teacher talk.”