Abstract: This study sought to investigate the influence of home environment factors on students’ discipline in public secondary schools in Loima Sub-county, Kenya. The research questions were: to determine the influence of parenting styles, socioeconomic background of students and education level of parents on students’ discipline in public secondary schools in Loima Sub – county. The study was guided by Bandura’s Social Learning Theory and utilised causal comparative research design. The study sample was students and deputy principals drawn from 6 public secondary schools in Loima Sub – county. Questionnaires, were used to collect data. Reliability was determined using test-retest method. Data was then analyzed using descriptive statistics such as frequencies and percentages and presented using a table. The results of the study showed that home environment had a significant influence on students’ discipline. Based on the findings, the study recommended that parents should be good role models to their children and support schools in matters of discipline for any meaningful improvement in students’ discipline to be realized. Principals and schools’ Boards of Management were also encouraged to empower the guidance and counselling departments and students’council members through trainings to assist in offering effective alternative mechanisms for arresting and handling discipline issues.