English For Adults

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Exam Preparation For Adults

Our exam preparation adult classes are ideal for those who want to study for the TOIEC, IETLS, and other formal exams.

Bangkok’s Favorite Language School

GEOS offers high quality, personalized courses in English, Thai, and Japanese. We specialize in business, conversation, TOEIC, TOEFL, IELTS, JLPT, SAT, and EIKEN test preparation, as well as children’s language courses. GEOS also provides English, Thai, and Japanese language solutions for companies. 

Learn English in a Setting that Suits You

We offer private, semi-private, and group English lessons with native speakers.

Sign Up For A Free Trial Lesson

Come and meet us! Complete the form below to arrange a free trial lesson with one of our teachers. 

Free Trial

Our free trial lessons generally last around 20 minutes and include a free level check to establish your English-language level and course suitability.