The children puffed out their chests and mimicked drama teacher Melissa Richardson, rehearsing their big, booming “rhino voices.” “Giant steps, giant steps, big and bold!” the kindergartners yelled in ...

In Boston public schools, 3, 4 and 5-year-olds are getting their first introduction to math. Before they walk through the kindergarten door, the “Building Blocks” curriculum is designed to encourage ...