Mathematics Course Sequence Information
"Middle school mathematics should dismantle inequitable structures, including tracking teachers as well as the practice of ability grouping and tracking students into qualitatively different courses." --NCTM's Catalyzing Change in Middle School Mathematics
"High school mathematics should discontinue the practice of tracking teachers as well as the practice of tracking students into qualitatively different or dead-end course pathways." --NCTM's Catalyzing Change in High School Mathematics
(article on current research)