The research in this Special Issue is an international collection of studies focusing on the current challenges and possibilities in teacher education. The contributors examine teacher education with theoretical and empirical approaches including both qualitative and quantitative research methods. The studies demonstrate that future teachers need high-level ethical and pedagogical skills to cope with the new challenges in education. With a research-based and holistic approach, we can educate good teachers for tomorrow's schools. Contributors to this collection of eleven articles reflect global issues in teacher education originating from Australia, Estonia, Finland, England, Portugal, and Sweden.