school supported by a pro-North Korean organization

school supported by a pro-South Korean organization

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

public school, state school

boarding school

vocational school

(education) high school, senior high school

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

one's personal thoughts

private life, personal life