2023-05-012023-05-011989-09-13198819418176https://hdl.handle.net/10657/14111This thesis is based on 905 students in 150 classrooms for grades four, five, and six in the Houston Independent School District for 1977. Peer effects was added to a model developed by Dworkin (1987) that employed teacher, student, and campus effects to explain student academic achievement (gain score). The results of this thesis are that there is a significant increase in the amount of variance explained in student academic achievement (gain score) for each grade, as well as when the overall caseis tested.application/pdfenThis item is protected by copyright but is made available here under a claim of fair use (17 U.S.C. Section 107) for non-profit research and educational purposes. Users of this work assume the responsibility for determining copyright status prior to reusing, publishing, or reproducing this item for purposes other than what is allowed by fair use or other copyright exemptions. Any reuse of this item in excess of fair use or other copyright exemptions requires express permission of the copyright holder.Academic achievementClassroom environmentThesisreformatted digital