The purpose of the study was to compare the status of musculoskeletal fitness in 13 year old girls of government and public school of Delhi. For the purpose of the study a total number of 700 (350 from Government and 350 Public Schools) school going girls of Delhi were selected on two phase sampling. In the first phase we used random sampling for selection of schools from different zones and in the second phase purposive sampling for collecting data from those schools who volunteered to participate in the study. The variables selected for the study were musculoskeletal fitness components namely muscular strength, muscular endurance, and flexibility. A prior consent was obtained from the subjects by the research scholar for conducting the study. The data was analyzed by calculating a detailed descriptive statistics and to compare the mean difference between government and public school girls on musculoskeletal fitness components, ‘t’ test was employed at 0.05 level of significance. The result of the study indicates a significant difference obtained in flexibility in the 13 year old girls of government and public schools of Delhi. However, there were no significant differences obtained in muscular strength and endurance.