This study was conducted to measure the effects of classroom instruction entitled Citizenship curriculum Training on high school discipline. Data for this study were collected and analyzed for fifty-eight ninth-grade students who had been referred to the principal's office three or more times the semester prior to the experimental treatment. An experimental group of twenty-nine students received citizenship curriculum instruction. The control group of twenty-nine students received only the school's traditional curriculum during second period class. Two teachers presented the citizenship curriculum training which included instructional units on beliefs, attitudes, emotions, anger, decision-making, communications, confrontation, positive attention, stress, peer pressure, authority figures, getting along in school, and the society game. Data were collected relative to grade-point average, absences, discipline referrals, and attitude toward high school as measured by the Remitters High School Attitude Scale. T-tests for correlated samples and analysis of covariance examined the effects of the Citizenship Curriculum Training on the four variables measured. The .05 level of significance was used to test the four hypotheses. The results of the study indicate that Citizenship Curriculum Training does not improve the students' gradepoint averages, absentee rate, lower the number of discipline referrals, and does not improve students' attitude as measured …