The aim of this study was to identify the opinions of administrators and teachers about the knowledge management process in primary, secondary and high schools. The population of the study was teachers who work in primary, secondary and high schools in Kocaeli, Izmit. The sample of the study was 270 teachers that were randomly selected. The Knowledge Management Process in Schools Scale that was developed by the researcher was used to collect data. The reliability rate of the scale is 0.96 Cronbach Alpha. The Knowledge Management Process in Schools Scale’s Descriptive Factor Analysis results revealed that the scale was comprised of six factors. These factors were: obtaining knowledge; using knowledge; learning knowledge; sharing knowledge; evaluating knowledge; and administrative support. The results of the study revealed that administrative support played an important role in the knowledge management process, and the participants’ opinions varied according to their years in service, age and gender.