An achievement gap is defined as a significant difference in academic performance between two groups. Massachusetts Comprehensive Assessment System (MCAS) data indicate that, in Crestland Public School District (pseudonym), there is a clear achievement gap in mathematics between students with disabilities and those without disabilities,…

This paper profiles the student subgroup achievement and gap trends in Massachusetts for 2010. In grade 8 (the only grade in which subgroup trends were analyzed by achievement level), Massachusetts showed across-the-board gains--improvements in both reading and math at the basic, proficient and advanced levels for all racial/ethnic subgroups, low…

Across the country states and school districts need to improve the mathematics performance of students with disabilities. This population of students increased since the 1970s, and there have also been changes in education expectations and accountability under the requirements of the Individuals with Disabilities Education Acts of 1997 and 2004…

This year the Center on Education Policy analyzed data on the achievement of different groups of students in two distinct ways. First, it looked at grade 4 test results to determine whether the performance of various groups improved at three achievement levels--basic and above, proficient and above, and advanced. Second, it looked at gaps between…