SAYMOUNKHAM, Alikone; SANGDUANGCHA, Somephone; MAHAPHOM, Somphien; ນຸຖາພອນ ທິບພະຈັນ. The Relationship between the Leadership Styles and School Effectiveness at Secondary Schools in Sekong Province: Master’s student, Education Science, Faculty of Education, Champasak University This study is a study of the relationship between the style of leadership and effective schools in comprehensive secondary education . Champasack University Scientific Journal, [S. l.], v. 9, n. 1, p. 244–260, 2025. DOI: 10.71026/cusj.v9i1.134. Disponível em: https://cu-journal.com/index.php/files/article/view/134. Acesso em: 24 jun. 2026.