THE EFFECT OF CO-CURRICULAR ACTIVITIES ON THE LEARNING OUTCOMES OF SECONDARY SCHOOL STUDENTS IN DISTRICT EAST OF KARACHI, PAKISTAN Muhabat Khan and Ghulam Ali ABSTRACT The study focused on the effect of co-curricular activities on the learning outcomes of secondary school students of Karachi, Pakistan. The nature of the study was mainly experimental. The population of the study was all secondary schools operating in district East of Karachi. Purposive sampling design was adopted. The subjects of the study were240 students drawn from public and private secondary schools. The students were equally divided into experimental and control groups. To evaluate the effect of co- curricular activities on the learning outcomes of students, the pre- test (2013-2014) and posttest (2014-2015) scores were analyzed through ‘t’ test. The results revealed that co-curricular activities had positive effects on the learning outcomes of students. It was found that students took active part in co-curricular activities had better academic scores than those who do not participate in these activities. Keywords: Co-curricular activities, Learning, Outcomes and Secondary schools. Introduction Education became a fast gro- wing business industry in urban areas of Pakistan. Karachi is one of the biggest cities consisting of almost 30 million populations, where public schools are quite insufficient to accommodate mill- ions of students. Therefore, tho- usands of private schools have been established in various areas of the city and every year its nu- mber is increasing. Among these schools, some are well equipped and fulfilling the requirements but a large number of them is pitiable, congested and having no facility for the recreation of stu- dents. The parents are satisfied with academic results but there is no attention on the physical, psychological and social develop- ment of the students. Moreover,