In this webinar, Dr. Carol Tomlinson of the University of Virginia presented the research base supporting the practice of differentiation and described the characteristics of effective differentiation. She led a discussion of how quality preparation can build and strengthen teachers' knowledge and skills in implementing differentiated instruction…

Research on school effects has shown that differences within schools have more influence on educational outcomes than do differences between schools. This chapter explores the implications for educational equity of ability grouping. Concerns about equity are organized by placing them in the context of the meaning of educational equity that implies…