The study investigated the effectiveness of psychodynamic counselling on management of behaviour problems among students in Rachuonyo East Sub County, Kenya. Eclectic model will be used in this study. The study adopted mixed method approach with the concurrent triangulation designs. The population of the study was composed of 3345 form 3 students, 47 guidance and counselling teachers,47principalsfrom all public secondary schools in Rachuonyo East Sub-County. Stratified random sampling technique was used to select the schools, simple random technique was used to select the form 3 students while purposive sampling was used for the heads of guidance and counselling department and Principals. The sample size consisted of 346 form 3 Students, 20 guidance and counselling teachers and 20 principals. Data was collected using questionnaires for students and interviews schedules for principals and teachers of guidance and counselling. Reliability was ascertained through split half method and a reliability coefficient of r = 0.783 was reported. In order to ensure face and content validity of the instruments, the researcher sought expert judgment from university supervisors. Data collected were both qualitative and quantitative. Descriptive and inferential statistics was used to analyze quantitative data while qualitative data was analyzed using thematic analysis. There was a moderate positive correlation (n=344; r =.506**; p <.05) between Effectiveness of psychodynamic counselling model and management of student's behaviour problems and it was statistically significant. It’s recommended that teacher counsellors should design a thoroughly structured program that aims to enhance the clients self awareness and that fosters understanding of the clients thoughts, feelings and beliefs in relation to their past experience as a child.