State of New Jersey, Department of Education

Equity

Critical Issues: Ensuring Equity with Alternative Assessments
See also Maryland School Performance Assessment Program.
From NCREL "ISSUE: If American students are to be held responsible for achieving high educational standards, it is ethically imperative that educators develop assessment strategies that ensure equity in assessing and interpreting student performance."

Assessment & Accountability reports from NCELA Online.

There are several research articles on this subject, most relating to limited English proficiency.