principal or headteacher of a school

top (highest point or position) / (web design) opening page; index page / Ellipsis of トップバスト.

school (institution dedicated to teaching and learning)

a top hat

tube top

a tank top (singlet)

top three

(baseball) first to bat / (by extension) the person who is first in line to do something

top ten

(proscribed) Alternative form of デスクトップ (desukutoppu, “desktop”).