integrated school system; combined school
Refers to a set of affiliated schools (e.g., elementary through high school or university) where students can progress without taking entrance exams at each stage. Often used in educational contexts.
At this integrated school, students can advance from elementary school through university without entrance exams.
Compound of 一貫 (いっかん, 'consistent, integrated') + 教育 (きょういく, 'education') + 校 (こう, 'school').