NONE 20260615093512730 naun/naun content-registration-form+ja@crossref.org content-registration-form International Journal of Education and Information Technologies 2074-1316 Pantelis V. Gryparis Department of Business Administration University of West Attica Petrou Ralli & Thivon 250, 12244, Egaleo Greece Klimis S. Ntalianis Department of Business Administration University of West Attica Petrou Ralli & Thivon 250, 12244, Egaleo Greece Nikos E. Mastorakis Department of Industrial Engineering Technical University of Sofia 1000 Sofia Bulgaria This study looks at how the data-based approach to group formation can improve student behavior in the classroom. We built a system called the Student Profile Vector (SPV) to capture the emotional details of each student. We used cosine similarity and Genetic Algorithms to put the students into the groups that share traits. We tested the model in five institutions. 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