This research examines the impact of mobile-based mentoring, socio-economic background, and religion on girls’ attitudes and beliefs towards antisocial behaviour (ASB) in Ibadan, Oyo State, Nigeria. It found significant effects of socio-economic background on girls’ attitudes towards ASB but no significant impact from mobile-based mentoring. The study suggests that socio-economic factors play a crucial role in influencing girls’ attitudes and beliefs regarding antisocial behaviors, whereas religion showed little to no effect.