巻頭: opening page of book; beginning of an essay; prefatory / 敢闘: fighting bravely / 完投: going the whole distance; pitching a whole game / 官等: official rank / 竿頭: top of a pole

関東: Kanto / 間島

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

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)

七転び八起き: the ups and downs of life