"Second-graders at Aurora Quest scrutinized a complicated calendar on their classroom wall. Each day had a different kind of clock and a different background. Their hands raised impatiently, they described ever-more intricate patterns.
In a fifth-grade classroom across the school, students analyzed data on tablets and tested a series of claims against it. Were the claims true or false or did they just not have enough evidence?
In both classrooms, the students led the discussions, while the teachers hung back."