This study examines how the leaders of technology integration in educational institutions -school principals and ICT facilitators -assess systemic changes that occurred in their schools. The study collected the data from Israeli elementary schools towards the end of the third and the fourth years of the gradual National ICT program. The research questions explored (1) the predictors of the general school ICT culture and (2) changes over time in the general school ICT culture and its components. An online questionnaire was distributed to all elementary schools in the Northern District and filled out jointly by the school principal and ICT facilitator. A total of 392 questionnaires (91.2 % response rate) were analyzed. The following predictors explained 63 % of variance in general school ICT culture: the percent of teachers who frequently use ICT in lessons, using technology for enhance pedagogy, teachers' digital competence, digital content use, its design by teachers, pedagogical update of class website, school portal update (negative predictor), e-communication within school staff, and teacherparents e-communication. Regarding the impact of time, the results indicated that between the 3rd and 4th years of ICT integration significant changes still occur in the general school ICT culture and most of its components.