Leadership

Leading with Purpose
The ISP Senior Leadership Team (SLT), led by the Director, is primarily responsible for aligning all facets of the school to fulfil ISP’s mission and strategic objectives.
Dr. Cal Callaway
ISP Director
ccallaway@isp.cz
Cal is a collaborative and student-centred leader with over 22 years of experience in international education across four countries. He joined ISP in 2023 as Deputy Director, where he led school-wide initiatives in safeguarding, diversity, equity and inclusion, and student support, ensuring alignment across all sections of the school.
Cal began his career teaching at the elementary, middle, and high school levels in the United Kingdom, China, Latvia, and Ethiopia. He went on to serve as Deputy Head of School at both the International Community School of Addis Ababa and the International School of Latvia, gaining deep experience in academic leadership and school operations.
Known for his thoughtful approach and strategic mindset, Cal brings a strong commitment to community, inclusion and high quality learning. He holds a doctorate in educational leadership and was recognised as a National Distinguished Principal in 2021.









