Irony of humans’ resiliencies to grasp life achievements has been remaining one of the important debates since long ago. Controversy prolongs when few report it destiny, whereas remaining claim individual’s endless effort. Origin of social learning theory stoppage caused entire debate and declared that teachers’ psychological attribute; locus of control is a key construct that actively affects students’ success / failure. Present research was conducted to explore the effect of teachers’ locus of control on students’ achievement scores in facing diverse socioeconomic status enrolled in public sector secondary schools of District Kasur; Punjab-Province. Researchers followed quantitative research adopting ex-post-facto design to investigate a burning dilemma on the sample of conveniently selected 1100 respondents. After ensuring ethical considerations from the respondents, researchers collected data from teachers through administering Rose and Medway (1981) Teacher Locus of Control Scale after obtaining unfettered and unrestricted permissions from the authors. Researchers obtained students’ achievement scores and their family socioeconomic status from parents, teachers and head teachers respectively. Researchers’ pilot tested scale on the sample of 100 respondents to confirm Cronbach’s Alpha reliability statistics is .850. Results of regression analysis reported that teachers’ locus of control has affected 66%, teachers’ demographic variables 84.30% and parental socioeconomic status have affected 74.70% of students’ achievement scores. Research recommends that Govt. provide in-service training to secondary school teachers on their neglected psychological attribute; locus of control that confirms worth-seeing importance in obtaining students’ achievement scores and grants monthly stipend to passed ninth grade students having 85% marks in annual examinations focusing their parental socioeconomic status.