The thesis deals with the assessment and analysis of current state of the information system of chosen organization SOŠ Pod Bánošom Banská Bystrica and the subsequent proposed amendments, which were conditioned on results of performed analysis. The theoretical part is devoted to explanation of the information system, its components, elements, features, importance for the organization and security, also on the theoretical description of the data flow, EPC and ER diagrams. The practical part is devoted to the analysis of the information system of the organization, describes the processes in the organization and design changes in the information system