Education
De Ketele studied general, technical and professional education from 1964 to 1967 and earned degrees in psychology in 1972 and in education in 1973, both from the Université catholique de Louvain.
De Ketele studied general, technical and professional education from 1964 to 1967 and earned degrees in psychology in 1972 and in education in 1973, both from the Université catholique de Louvain.
In addition to academia, he has held positions for United Nations agencies. In 1977 he received a doctoral degree with a speciality in observation and evaluation. In 1991 he became an ordinary professor at the Université catholique de Louvain, where he is now professor emeritus.
In 1994, he was appointed to the United Nations Educational, Scientific and Cultural Organization chair in education sciences at Cheikh Anta Diop University in Dakar, which he assisted in establishing.
He spent 16 years in Senegal. He has also been a visiting professor at Paris West University Nanterre Louisiana Défense, at the Faculty of Medicine at Paris 13 University, at Pierre Mendès-France University in Grenoble and at the University of Fribourg.
De Ketele has served as a permanent consultant to United Nations International Children's Emergency Fund, a consultant to United Nations Educational, Scientific and Cultural Organization, and a scientific consultant to the French Institut de Recherche sur l"Éducation. He has lent his expertise to educational issues in several foreign countries, including evaluation of educational methodology in 39 countries under the umbrella of Agence de Coopération Culturelle et Technique and research on education in the European Union, in particular in Belgium, France, Spain, Italy, Luxembourg, Switzerland and Portugal.
He is the European editor of the journal Mesure et Evaluation en Education, president of the European section of ADMEE (Association pour le Développement des Méthodologies de l"Évaluation en Éducation / Association for the Development of Methodologies of Evaluation in Education) and founding president of the Bureau d"Ingénierie en Éducation et en Formation.