The report surveyed charter school authorizers to explore how they rated on factors that the report's authors considered important. The report concludes that authorizers base their decisions to renew on student achievement, that authorizers have become more careful over time in authorizing charters, and that two authorizer types, nonprofits and independent chartering boards, do a better job of authorizing.
House, E. (2006). Review of "Trends in Charter School Authorizing." Boulder and Tempe: Education and the Public Interest Center & Education Policy Research Unit. Retrieved [date] from http://epicpolicy.org/thinktank/review-trends-charter-school-authorizing