In 2007, Oberlin received a grade of "B+" from the Sustainable Endowments Institute's annual College Sustainability Report Card, and was featured among schools as a "Campus Sustainability Leader". In 2008, Oberlin received an "A-" on the annual College Sustainability Report Card. It was also listed as the school with the greenest conscience by Plenty in their green campuses ratings. In 2011, the college received an A on the Sustainability Report card. Oberlin College participated in AASHE's Sustainability Tracking, Assessment, and Rating System (STARS) in early 2012. Oberlin College was one of only 43 institutions to receive a grade of Gold in STARS.