This study aimed to determine the contribution of teachers and administrators who took part in the projects on ICT - new technologies - digital skills carried out in the field of Erasmus+ main action 1 school education staff mobility KA101, one of the EU education programmes. In this study, mixed research method was used, and an embedded mixed design was applied. The interview form was used to collect qualitative data and the Participants' Opinions on the Effectiveness and Classroom Implementation of ICT New Technologies - Digital Skills Themed Erasmus+ School Education Staff Mobility (KA101) Projects were used to collect quantitative data. The research group consists of teachers and administrators who have carried out ICT New Technologies - Digital Skills themed Erasmus+ projects between 2014-2020 in different schools and levels in Konya city centre and districts. As a result of the analysis, it was concluded that the participants learned new teaching methods and techniques after the project and started to apply them in their classrooms. In addition, it was observed that the training received by the participants was innovative, improved their digital skills, increased the quality of education at school, provided permanent learning and increased the motivation of the participants. It was also revealed that teachers' and administrators' participation in projects improves their digital skills, they learn new teaching methods and techniques, they can transfer the skills they have acquired to the classroom environment and thus contribute positively to permanent learning and increasing the quality of education.