Twnety-seven hypotheses relative to middle school operations were generated and tested through analyses of data gathered. Using various instruments data was obtained from: students, teachers, principals, and central administrative offices. Discussions and findings about the hypotheses are presented, and each is catalogued according to whether it was (1) accepted, (2) partially accepted, or (3) rejected. See also TM 000 935 and 936 for copies of the Student Questionnaire and the Teacher Questionnaire. (Author/AG)