This was an ex-post- facto study conducted to know the relation between the social maturity and depression amongthe II PUC students. The total sample consisted of 463 students drawn from science tutorials in Dharwad city during2008-09. Social maturity of the students was measured using the social maturity scale developed by Roma Pal (1986), the depression of the students was measured using the depression scale developed by Karim and Tiwari (1986) and the self structured personal information schedule was used to know the demographic characteristics of the students. The result reveled that, half of the students were socially matured followed by 42 percent of the students were high on social maturity and 6 percent of them were low on social maturity, there was no significant gender difference on social maturity followed by low (30%) and highly depressed (16 %) and there was significant gender difference among the students on depression indicating that boys being more depressed than girls. There was negative but non-significant relation between social maturity and depression among the students. Age had positive and significant relation with depression among the students while parents’ education and annual income of the family had negative and significant relationship with the depression. Thus it revealed that the students with high social maturity were less depressed.