School sector and student achievement in the era of standards based reforms. Carbonaro W, Covay E. W Carbonaro, E Covay - Sociology of Education, 2010 - journals.sagepub.com GSID: uhYUr1pcokoJ
Sociology and school choice: What we know after two decades of charter schools. [No authors listed] GSID: xRcF93nplxcJ
Instructional conditions in charter schools and students' mathematics achievement gains. Berends M, Goldring E, Stein M. M Berends, E Goldring, M Stein… - American Journal of …, 2010 - journals.uchicago.edu GSID: sHiJjpLBMQ4J
