Objective: The aim of the study was to determine the association of schoolbag weight and carriage style with shoulder pain in middle school students of Lahore.Methodology: It was a cross sectional study for which data was collected from 338 participants. 152 boys and 186 girls within age of 9 -14 years from 6th, 7th & 8th class of local schools of Lahore from 2nd January 2018 to 28 June 2018 through convenient non random sampling technique. Digital weighing scale and inch tape was used to measure the weight (schoolbag and students’ body) and student’s height respectively. The questionnaires were filled by students which included the demographics details and questions related to school bag use and carrying style followed by Shoulder pain and disability index (SPADI). SPSS 20 was used for chi square tests to analyze data.Results: Results for chi-square test for association between relative school bag weight and shoulder pain produced a value χ2(2) = 3.11, p = 0.21 with p>0.05. showing no significant association. Whereas, chi-square result χ2(1) = 0.013, p = 0.91 showed no association between methods of carrying school bag and shoulder pain either as p > 0.05.Conclusion: The results showed that there was no significant association between the weight of the school bag and the style of carrying it with the shoulder pain among middle school students. Keywords: Body mass index, School bag weight, School bag carriage style, Shoulder pain, School students