Why School Libraries Matter:

White House Conference on School Libraries
Sponsored by the U.S. government to discuss ways to improve school libraries.

Impact of School Libraries on Student Achievement: a Review of the Research

Report for the Australian School Library Association,
Report by Michael Lonsdale, Australian Council for Educational Reserach, Melbourne, March 2003
American Association of School Librarians
Studies examine the impact of libraries on student achievement.
School Library Advocacy Wiki