• SL 21 Measurement Criteria for Michigan School Libraries for 21st Century Schools | Student Learning through School Libraries | Scoop.it
From www.michigan.gov - September 8, 2011 11:54 PM

SL 21 is a tool to help measure the quality of School Library programs in Michigan schools. Provides evaluation criteria that can also be used as a planning tool by teacher librarians for developing programs, services and school library facilities.