Based on participation rate criteria, results are reported for various student populations only when sufficient numbers of students and adequate school representation are present. (nces.ed.gov)
The University of Michigan argued that to fully reap the pedagogical benefits of diversity, they needed a sufficient number of students from each group, to ensure that students felt comfortable expressing themselves honestly to their classmates. (sciencemag.org)
NCLB held schools accountable for every subgroup that had a sufficient number of students (called the minimum «n - size»). (educationnext.org)