U+6821 "校" CJK Unified Ideograph-# Unicode Character
U+6821 "校" CJK Unified Ideograph-# is a Chinese character commonly used in both traditional and simplified writing systems, where it carries the primary meanings of "school," "to check," or "to proofread." Its composition combines the radical for "wood" or "tree" on the left with the phonetic component meaning "to cross" or "to imitate" on the right, reflecting its historical use in contexts such as educational institutions or the act of collating texts. In modern usage, it appears in words like "学校" (school) and "校对" (proofreading), and in Japanese it is similarly used as "kō" in compounds referring to schools or official offices. This character is part of the CJK Unified Ideographs block, representing a fundamental element of written Chinese, Japanese, and Korean.