private school (US), public school (UK)

military academy, (especially) the Imperial Japanese Naval Academy

(historical) elementary school, national elementary school

school supported by a pro-South Korean organization

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.

school for special needs

driving school

teaching practice

(education) The 1,026 kanji taught in primary school; a subset of 常用漢字 (じょうようかんじ, jōyō kanji)