rankings based on attributes other than standardized test scores, salary of graduates, and similar attributes also exist. the "beyond grey pinstripes" ranking, compiled by the aspen institute and published biannually, is based entirely on the integration of social and environmental stewardship into university curriculum and faculty research. data for this survey is solicited from university administrators at accredited colleges, and audited by teams of ph.d. scoring fellows. rankings are calculated on the amount of sustainability coursework made available to students (20%), amount of student exposure to relevant material (25%), amount of coursework focused on stewardship by for-profit corporations (30%), and relevant faculty research (25%). the 2011 survey and ranking include data from 150 universities.