校

Kanji: 校
Level: N4
Meaning: School, exam
On'yomi: コウ
Kun'yomi: ちゅう
Strokes: 10
Common compounds: 学校 (がっこう) school 校長 (こうちょう) principal 校正 (こうせい) proofreading
Memory hook: The 'wood' (木) radical and 'building' ( বিল্ডিং - a stylized representation) suggest a school building made of wood.