The study sought to assess on the parental involvement and students’ discipline management in community day secondary schools in Misungwi district, Tanzania. The results on the findings are based on the research objectives namely to; Identify roles parents play on students discipline management at community day secondary schools, identify causes of students indiscipline cases in community day secondary schools, identify barriers facing parents participation in improving students discipline in community day secondary schools and evaluate possible strategies teachers used to involve parents on students discipline management at community day secondary schools. The study was guided by Joyce Epstein’s Parental Involvement Theory (1990s). Mixed research approach was used, the study used convergent parallel design and data were collected through the use of questionnaires and interview guides. The sample of 101 was used. The study used face and content validity, split – half method was used to test reliability of the instruments. One school was used for pilot study. Quantitative data was analyzed using descriptive statistics with the help of (SPSS) version 20 and the qualitative data were analyzed through thematic analysis The results revealed that most parents involved by providing guidance and counseling and teaching good moral rather than communicating with teachers. Indiscipline cases are caused by home environment factor, school environment factor and students’ personality factor. The study revealed that parents do not participate fully in the management of students’ discipline that contributes to the existence of indiscipline case among the students. The study recommends that government under MoEST should provide education to parents on their roles so they can voluntarily engage in students’ discipline management.