This study examined the effects of self-management and social skills counselling techniques on bullying behaviour among secondary school students in Katsina State. Five objectives, five research questions and five hypotheses were raised to guide the study. The design of the study was a quasi-experimental involving pretest and posttest control group procedures. The total population of the study was one hundred and eighty (180) school bullies identified from a total of thirty thousand, three hundred and ninety two (30,392) secondary school students of three public secondary schools in Katsina metropolis. Out of this number, a total of one hundred and eighty (180) school bullies were identified with the help of the schools' management and their staff members. The researcher used purposive sampling technique in selecting thirty six (36) bullies to participate in the study. It was this number of bullies that were assigned to two treatment groups i.e the self-management and social skills counselling groups and one control group. The researcher used a researcher developed questionnaire titled: Students' Bullying Behaviour Questionnaire (SBBQ) for data collection. The researcher validated the instrument in Funtua Senatorial District using sample of students drawn from Funtua and Malumfashi secondary schools. The researcher established face and content validity for the instrument. The reliability coefficient of the instrument is 0.70 out of the five hypotheses of the study, three (3) were rejected while two (2) were retained. Both self-management and social skills counselling techniques were found to have effects on bullying behaviour of both male and female school bullies. Based on the findings, it was recommended that counsellors could use self-management and social skills counselling techniques for influencing positive behaviour change among school bullies.