Doug Lemov, author of “Teach Like A Champion” and “Teach Like A Champion 2.0,” talked about the technique called “Work The Clock,” where there is allotted time for each classroom activity.

At this price, kids better not be late for class. The city Department of Education is spending millions of dollars on electrical upgrades that include synchronized clocks. At one of many schools to… ...

"I treat my classroom like it's an office building," says Virginia high school teacher Leslie Robinson. ... Each day, Robinson’s class “clocks in” and prepares for a brief lesson.