- http://www2.ed.gov/programs/sif/summary/index.html
- http://www.edweek.org/ew/articles/2010/02/10/21mtr_stim-turnaround.h29.html?r=1096544939
- http://www.edweek.org/ew/articles/2010/03/11/338031wvbadschools_ap.html?r=1482233126
- http://www.edweek.org/ew/articles/2009/12/04/14brief-b1.h29.html
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