A formidable set of issues has been revealed for researchers, yet these must be addressed if research is lead to effective practice. Therefore, the rest of this paper will explore research, which may shed light on the main questions concerning the effectiveness of inclusive education. The review will be presented in two parts. The main section will comprise a review of papers in specified journals 2000-2005, together with other studies mainly produced during this period. This review will be presented of the historical evidence.