ROCKPORT, Maine (AP) A pair of Maine schools have been commended by the U.S. Department of Education for their commitment to sustainability.

The education department named Mount Desert Island High School in Bar Harbor and Camden Hills Regional High School in Rockport as “Green Ribbon Schools.”

The department says it is honoring 39 schools, 11 districts and five post-secondary institutions in the country in this way.

The department says the schools have been honored because of their commitment to reducing environmental impact and utility costs.

It says the schools have also improved health and wellness and ensured effective sustainability education.