This study was carried out to determine high school teachers' perspectives on the use of digital technologies in education. The participants of this research consisted of 71 teachers from four different countries. The participants of the project consist of the teachers in the schools involved in the “DigiSchools” project supported by the Erasmus+ KA220 program in 2001. The questionnaire questions were prepared by examining survey studies in this field. The opinions of teachers about digitalization in education performed in project process using the survey method are presented Data were collected with a 24-item questionnaire. The scale items were evaluated using mean, standard deviation, frequency, percentage and Anova analyses. Teachers' perspectives on the use of digital technologies differences by country and usage frequency were analyzed. According to the results of the research, differences were determined according to the country and professional seniority of the teachers.