nth-year student or pupil

school supported by a pro-North Korean organization

school grammar / (specifically) Japanese school grammar, based on Shinkichi Hashimoto's work and now universally employed in Japanese schools and dictionaries.

military academy, (especially) the Imperial Japanese Naval Academy

(education) elementary school, primary school

academy or non-university college (a post-secondary school not legally considered a university)

Kyūjitai form of 大学校 (“college, university”)

school (institution dedicated to teaching and learning)

private school (US), public school (UK)

everyone / everybody