This is an expansion and revision of the author's 1972 monograph "Substantive Legal Aspects of Teacher Discipline." The major focus is again placed on the identification and description of the present legal restrictions on teacher behavior both in and out of the classroom. The author examines statutory provisions affecting certification, contracts and tenure, conflict of interest, school records and reports, pupil protection and child abuse, duties and responsibilities of teachers, and self-discipline by the teaching profession. He examines case law concerning certification denial, suspension, and revocation; contract nonrenewal and termination; teacher suspension, transfer, and demotion; and salary loss, fines, and imprisonment. The major developments over the past five years have been in the areas of state legislation and court decisions. (Author/IRT)