Marieke van Geel

Marieke van Geel is an Assistant Professor at the University of Groningen, specializing in Differentiated Instruction, Data-Based Decision Making, and Teacher Assessment. Her work bridges educational theory and practice, focusing on adaptive teaching strategies and student engagement.

• Roles: Assistant Professor, ELAN Teacher Development
• Key Collaborations: International Congress for School Effectiveness and Improvement (ICSEI), Springer Publications

Research Interests:
Van Geel’s research explores the complexities of differentiated instruction, emphasizing teacher skills, student involvement, and evidence-based program design. She investigates how data-driven decision-making reforms influence school leadership and student outcomes, particularly in mathematics education. Her work also evaluates the interplay between adaptive learning systems and teacher expertise.

Scientific Awards:
Recipient of the Publicatieprijs Pedagogische Studiën 2018 for collaborative research in educational innovation.

Network and Activities:
Van Geel has delivered invited talks on differentiated instruction (e.g., Differentiëren ontrafeld, 2019), chaired sessions at ICSEI, and contributed to large-scale studies on data-based interventions in primary education. Her recent ADAPT ValidationData dataset (2025) provides tools for assessing teacher differentiation skills.