A schoolmaster or simply master once referred to a male school teacher. This usage survives in British public schools, but is generally obsolete elsewhere. A school is most commonly a place designated for learning. ... In education, teachers are those who teach students or pupils, often a course of study or a practical skill. ... The United Kingdom of Great Britain and Northern Ireland is a country in western Europe, and member of the Commonwealth of Nations, the G8, the European Union, and NATO. Usually known simply as the United Kingdom, the UK, or (inaccurately) as Great Britain or Britain, the UK has four constituent... A public school, in common English usage, is a (usually) prestigious school which charges fees and is not financed by the state. ...

The teacher in charge of a school was the headmaster. This again survives in public schools, but has been replaced by head teacher in other British schools (although headmaster is still often used colloquially, particularly in grammar schools) and is equivalent to the principal in American schools. The term headmaster survives in some American and Commonwealth private schools. For other aspects of secondary education in the UK, see Education in the United Kingdom. ... A principal is the chief administrator in an elementary school, secondary school, or high school. ... The United States of America — also referred to as the United States, the U.S.A., the U.S., America, the States, or (archaically) Columbia—is a federal republic of 50 states located primarily in central North America (with the exception of two states: Alaska and Hawaii). ... The United States of America — also referred to as the United States, the U.S.A., the U.S., America, the States, or (archaically) Columbia—is a federal republic of 50 states located primarily in central North America (with the exception of two states: Alaska and Hawaii). ... Flag of the Commonwealth of Nations The Commonwealth of Nations is an association of independent sovereign states, most of which are former colonies once governed by the United Kingdom as part of the British Empire. ...

A range of other terms was derived from this, including deputy headmaster (the second most senior teacher), senior master (used in some public schools instead of deputy headmaster), second master (the third most senior teacher), and housemaster (the master in charge of a boarding house). Some public schools use other titles as well. A boarding school is a self-contained educational total institution where students not only study but where some or all students may live. ...

The female equivalent is (school)mistress, which can be used with all the same prefixes. The term mistress is the feminine form of the word master. ...