The acronym TESOL indicates Teaching of English to Speakers of Other Languages. As the phrase exhibits, TESOL aims at developing professional teachers who can teach English effectively to the people whose mother tongue is not English. TESOL qualifications are meant particularly for those who want to have a teaching career in future. The TESOL education may also be helpful for the people already working as English teachers. The common people having interest in English language can also benefit themselves from TESOL diplomas and degrees.

The TESOL educational programmes are available at all levels namely from certificate and diploma levels to master degrees. Many traditional and online institutions are imparting education in TESOL. The popularity of these programmes is enormous and promise sound future careers. The popular certifications in TESOL are TESOL Certificate to Teach English to Speakers of Other Languages, TESOL Certificate Program; TEFL Program; TESOL/TEFL Certificate etc. The bachelor degrees in TESOL are also available in many regular as well as in online institutions with TESOL specializations such as Teaching English Pronunciation, Teaching English to Young Learners, TESOL Theory and Application; Methods of Language Acquisition, and Evaluating ESOL Students. Some universities also offer M.A. TESOL as a specialization of Applied Linguistics.

England as the home of English is regarded also as the hub of English language institutions. A number of traditional and online institutions offer accredited TESOL degrees and diplomas. Some of the well-reputed institutions having TESOL programmes are The University of London, Cambridge Marketing Colleges, The University of Reading, London Metropolitan University, Middlesex University, and London South Bank University etc.

Many ELT organizations have online journals which help the teachers as well as the students to know the modern trends in English language teaching. These journals also contain research articles on various aspects of teaching of English language as a second or as a foreign language. The eminent and well-reputed TESOL journals are TESOL Quarterly and TESOL Journal, The Sunshine State TESOL Journal, TESOL Quarterly etc.

London offers numerous career opportunities in the field of TESOL. The city is regarded as the educational centre of the UK. Consequently there are always a great number of students from all corners of the world and most of them, being non-native speakers want to learn English. Thus the TESOL teachers also find part-time jobs as private tutors in London. Moreover, the vacancies for TESOL teachers are not restricted to language schools and colleges only but they are also in demand in other English-related professions. They find careers as teacher-trainers, book writers, interpreters, paper-setters etc. Jobs for TESOL professionals are of different types. Some of the jobs are on permanent basis against fixed salary while there are jobs which are on contract basis for a particular period of time. The wages for some specific services such interpreter and translators are decided according to the nature of work and the working hours. The TESOL teachers in schools charge salaries about £12,000 a year as regular and permanent teachers. While the TESOL teachers employed in colleges draw salaries from £16,030 to £35,460 a year.