The aim of this research is to develop an "Organizational Rumor Scale" for educational organizations based on teachers' views on organizational rumors. In accordance with the scale development phases, first, the literature was reviewed and theoretical information was itemized, and then the items were revised based on the opinions of experts in the field of educational sciences and the opinions of the teachers. The final 24-item scale form was applied to a study group consisting of 322 teachers working in 25 primary schools in the city center of Diyarbakir, Turkey. The data were analyzed by statistical analysis. For the validity and reliability analyzes, anti-image correlation matrix, item total correlation, explanatory factor analysis, reliability analysis of internal consistency, correlation between dimensions and confirmatory factor analysis were performed. The values in the findings of the scale are within the acceptable limits and competent according to the criteria accepted in the literature. Taking into account the validity and reliability analysis of the scale, it has been decided that the "Organizational Rumor Scale" is a valid and reliable scale to evaluate the organizational rumors in schools. The scale consists of three dimensions (getting information, socialization and cynic effect) and a total of 24 items.