As people in education circles have focused on equity concerns, they have overwhelmingly adopted the position that tracking is a key root cause of inequity. The following links all point to proposals and statements that emphasize detracking as the solution to educational inequities, despite the fact that the research literature on tracking is very mixed.
Proposals and Statements from Educational Organizations
NCSM: Closing the Opportuniity Gap: A Call for Detracking Mathematics (PDF)
NCTM Position on Access and Equity in Math Education
Just Equations: Solving for Equity: Design and Implementation of New Postsecondary Math Pathways
Ontario Association for Mathematics Education: Destreaming / De-tracking Math Position Statement
Equity in Mathematics Education: A Joint Position Statement for Connecticut
Other Proposals and Calls to Arms
KnowledgeWorks: Routes not Ruts: Detracking Our Paths to Equity
Yup Math: The Puzzling Persistence of Tracking
Alfie Kohn: Only for My Kid: How Privileged Parents Undermine School Reform