Previous studies have shown that retesting of groups of subnormal pupils does not lead to significant increases in the mean IQ; this present study confirms this for non-immigrant pupils. In contrast, however, there is a significant rise in the mean IQ of a group of immigrants. (Author)

The No Child Left Behind (NCLB) Act of 2001 requires states to ensure that all students make adequate yearly progress in achieving proficiency in English language arts and math. This study examines how six diverse schools have responded to the challenge of educating their students in math, particularly students with disabilities and other…