“TEFL” is the acronym for Teaching English as a Foreign Language, or simply, English language instruction for non-native speakers. Also known as Teaching English to Speakers of Other Languages (TESOL) or English Language Teaching (ELT), the field of TEFL/TESOL is one of the fastest growing educational fields in the world, presenting thousands of excellent professional opportunities in all corners of the globe to native and fluent English speakers who achieve their TEFL/TESOL certification. These terms are essentially interchangeable in the international English teaching market, our certifications list both terms.