校长 /xiàozhǎng/ meaning in English

head [heads]▼(headmaster, headmistress)
noun
[UK: hed] [US: ˈhed]

headmaster [headmasters]▼(the most senior master in a school (male))
noun
[UK: hed.ˈmɑː.stə(r)] [US: ˈhed.ˈmæ.stər]

headteacher▼(The most senior teacher in a school)
noun

principal [principals]▼(chief administrator of a school)
noun
[UK: ˈprɪn.səp.l̩] [US: ˈprɪn.səp.l̩]