This study discusses the impact of IT alignment on organizational performance and takes into account the rapid evolution of technology. The maturity assessment of strategic alignment has enablers and inhibitors. An empirical study was conducted on Moroccan public sector organizations to assess alignment using different criteria such as maturity of the communications, maturity of the measure of the value, maturity of the governance, maturity of the partnership, maturity of architecture and maturity of skills. We used A quantitative approach in this study, which consists of a survey of properties and variables and their relationships; where characteristics are classified, analyzed and statistical models are constructed to justify what is observed. The research hypotheses were tested and the model was built according to the results.