The purpose of this research is to identify the factors within the school environment that enhance and facilitate a teachers’ innovative behavior. Furthermore, it aims to examine whether it is possible to predict a teachers’ innovative behaviour with the proposed two-layer model (with self-efficacy being the first layer and teaching practices being the second). In this study, a model for predicting teachers’ innovative behaviour was proposed, with three general factors of school environment: interaction and involvement, need for innovation and freedom for innovation. The authors conclude that a teachers’ innovative potential is developed and used in the best possible way, when the school environment provides them with possibilities for self-development, recognition for their innovative behaviour and professional development and also constructive feedback from school management and the students’ parents.