Differentiated Instruction

Differentiating Instruction For Advanced Learners In the Mixed-Ability Middle School Classroom by Carol Ann Tomlinson
http://www.kidsource.com/kidsource/content/diff_instruction.html

Differentiated Instruction By Tracey Hall, Ph.D., Senior Research Scientist, NCAC
http://www.cast.org/ncac/index.cfm?i=2876

Teaching in mixed-ability classrooms - Teachers guide students down many paths to a common destination. Although some voice doubts, advocates say differentiated instruction can raise the bar for all learners. By Mary Anne Hess
http://www.weac.org/kids/1998-99/march99/differ.htm