The 4th International Conference 'Education Across Borders' held in Florina on October 19-20, 2018, focused on contemporary challenges and perspectives in education, featuring a range of parallel sessions on topics such as mathematics, digital technology, language, literature, and educational sciences. The conference included discussions on innovative teaching methods, the integration of technology in education, and the experiences of teachers and students, particularly in relation to refugee education and multicultural classrooms. Participants shared research findings, insights, and best practices aimed at enhancing educational outcomes in the 21st century.