• 学校がっこう — school
• 校長こうちょう — principal
• 校庭こうてい — schoolyard
• 校舎こうしゃ — school building
• 登校とうこう — going to school
• 休校きゅうこう — school closure

“校” is commonly used in school-related words and institutions. It combines the 木 (tree) radical with a part that once meant “compare.” Together, it evolved to symbolize a structured place for learning and evaluation — like a school.

毎朝まいあさ 学校がっこうに 行いきます。
I go to school every morning.

今日きょうは 休校きゅうこうです。
School is closed today.