Peggy Pelonis is President of American Community Schools in Athens, Greece, having previously taught at both K-12 and university levels.

Thimios Zaharopoulos is former Provost of the American College of Greece and Park University, USA. He currently works as a higher education consultant.

Chapter 1. Introduction (Peggy Pelonis, Thimios Zaharopoulos).- Part l: Professional Development in International Schools: The Perspective of Schools Administrators.- Chapter 2. Professional Development, School Leadership and International Schools (Peggy Pelonis).-Chapter 3. Views on Professional Development: A Quantitative Study (Peggy Pelonis).-Chapter 4. School Leader Views on Professional Development (Peggy Pelonis).- Part II: Professional Development in K-12 Education: A Multi-Faceted Practical Exploration.- Chapter 5. Developing Reflective Practitioners through Goal-Setting and Action Research (Julie Crain, Mary Ann Augoustatos).- Chapter 6. The AI Edge: A Competitive Advantage In Educator Training and Action Research For International Schools (Marco Crivellaro).- Chapter 7. Barriers in Implementing a Professional Development Program: A Lebanese Example (Nabil Husni).- Chapter 8. Fostering Innovation and Teacher Development: The Hisar School's IdeaLab and Professional Learning Center (Dilara Vardar, Gülçin C¿r¿k Do¿ramac¿, Nilüfer Çä¿n).- Chapter 9. Professional Development through Teacher-led Appraisal (Maddy Hewitt).- Part III: Counseling Practices and Special Needs Students.- Chapter 10. The Importance of Professional Development for International School Counselors (Cheryl A. Brown).- Chapter 11. Promoting Student Resilience: The overlooked "4th R" of Education (William G. Nicoll).- Chapter 12. Supporting Neurodiverse students in International Schools (Anna Sugarman, Chris Perakis).- Part IV: Continuing Professional Development and Organizations Supporting it.- Chapter 13. Continuing Professional Development: A learning journey for Lifelong Learners (Kam Chohan, Jeff Bradley).- Chapter 14. Professional Associations and the Changing Face of Professional Development (Kevin J. Ruth).- Chapter 15. Accreditation: Comprehensive, Collaborative, and Effective Professional Development (Hank Cram).- Part V: Professional Development in International Higher Education.- Chapter 16. Professional Development in International Higher Education (Thimios Zaharopoulos).- Chapter 17. How Consortiums Can Support Professional Development: The Example of the Global Liberal Arts Alliance (Mickey McDonald, Simon Gray).- Part VI:Conclusion.- Chapter 18. Conclusions and Recommendations (Peggy Pelonis, Thimios Zaharopoulos).