At Hope Community Charter School, pre-kindergarten students are taught to recycle and fill out math worksheets with an environmental theme. Across town at private Sidwell Friends School, sixth-graders in science class race solar-powered cars and record their fastest times.
Learning green means different things in different classrooms, whether it's in a public charter school housed in a former warehouse alongside railroad tracks or in an exclusive academy former first daughter Chelsea Clinton attended.

BUILDING: Schols going green for energy costs, health