Does a strong media program affect test scores?

You may already be aware that strong library media programs have a significant impact on student learning and test scores, but do you know which specific aspects of the library media program directly contribute to higher student achievement? For your convenience, a Library Media Education department has created an extremely concise overview of the research on library media programs and student achievement.

http://www.cobbk12.org/librarymedia/proof/research.pdf