The paper reports a study aiming to develop and validate a questionnaire on teachers’ perception of self-efficacy in regards to integration of technology in the classroom. The questionnaire based on the theoretical framework of Bandura (1977, 1982, 1997) is composed of 23 items. Its was administered to a sample of 309 French Canadian kindergarten and elementary teachers to assess its validity. Results of reliability and confirmatory factor analysis confirm its psychometric qualities. This questionnaire could be used to describe teachers’ self-efficacy in regards to integration of technology in their classroom.