The research is all about the “EFFECTS OF ABSENTEEISM ON STUDENTS PERFORMANCE”. Author was collected data from the department of Lahore school of Nursing “The University of Lahore” the total population of the department is N#170. 119 survey questionnaires were distributed to the students of the LSN department. Answers were collected on 5-Likert scale which was based on options; 1 for strongly agree and 5 for strongly disagree All female and male, below 20 years to above 30 years were included .They filled the questionnaire after consents. The results of findings show that there are three main factors or indicators which are badly affecting by absenteeism i.e. class participation .coordination of students with teachers and peers and the third is the Grades of students. Out of 119, 82 females and 37 male participant’s opinions were recorded and it is concluded that 84.5% agree for the effects of class participation, 68.67% agree for the effects on student’s coordination. 69.40%.agree for poor GPA. As shown in table (4.1, 4.2, 4.3) respectively. It is recommended that University should take effective measures in order to control the absenteeism. Attendance teams should recognize barriers of absenteeism and deal with them through interventions, such as work in partnership and find needs students. Attendance policy makers should provide incentives or rewards to motivate the students for the good percentage of attendance hence the academic outcomes of the students and the organization can become outstanding.