The purpose of this study was to examine single-gender schools and/or classes as a method of improving student achievement and gaining greater satisfaction in school. The paper will further examine the effects of single-gender classes on student achievement, the academic gender gap, and the attitudes of students and teachers. It will also look at the legal implications of such a practice. In addition, it will examine a variety of school district's past methods and structures in order to implement a single-gender school or single-gender classes within a coed school including other programs within schools. [The dissertation citations contained here are published with the permission of ProQuest LLC. Further reproduction is prohibited without permission. Copies of dissertations may be obtained by Telephone (800) 1-800-521-0600. Web page: http://bibliotheek.ehb.be:2222/en-US/products/dissertations/individuals.shtml.]