The purpose of this study was to develop a valid, reliable scale to measure life skills. The first phase involved the conceptualization and operationalization of life skills based on the review and identifies the research gaps. Similar questionnaires, scales were reviewed, based on that the items were framed for the tool. In the second phase, Face and content validity were assessed by a panel of experts, data collection (N= 890) was carried out extensively to establish reliability and validity for the Life Skills Assessment Scale. Using Cronbach's coefficient alpha, test retest, split half reliability methods the internal consistency was assessed for the tool. After item analysis and construct validity assessment, the test items showing weak indicators were eliminated in a stepwise fashion until the reliability coefficient peaked. However, highest reliability was already obtained without eliminating items. The final summated scale of 100 indicators had a Cronbach's alpha coefficient of .84. The psychometric properties were established adopting standard procedure.