TEFL, or Teaching English as a foreign language, refers to teaching English to students whose first language is not English. TEFL can take place in English-speaking regions, for example in language schools or summer camps or before the start of a university degree, but usually occurs in the student's own country. There, TEFL can be either within the state school system, or private, either in an after-hours language school or with a one-on-one tutor. The teachers may be native or non-native speakers of English.