The study aims to identify the perceptions of the principals of public schools in Kuwait regarding the importance of diversifying the sources of school financing, the actual measures taken to increase the sources of school financing and the obstacles in the way of increasing the sources of school financing. The study uses the futures studies' methodology through implementing Delphi method to achieve the objectives of the study. The implementation of Delphi technique is conducted in four consecutive rounds on a sample of experts in the study area consisting of 25 distinguished school principals in the educational areas, during the second semester of the academic year 2017/2018. The study concluded a number of results, the most important of which are: (1) school principals are convinced of the need to diversify school financing sources and increase its sources in light of the high prices and limited budget granted by the government for this purpose; (2) there are specific measures for increasing the support for school financing, the most important of which is to urge parents and society institutions to donate to schools in order to help fill the budget shortfall; (3) there are obstacles which face the attempts to increase the sources of school financing which are legal, regulatory and community partnership-based obstacles. The study came up with several recommendations that would contribute to diversifying school financing sources.