KELT has been established in Surabaya since 1985. It has four branches:
- Jawa
- Golf Famili Timur
- Jemursari which employ Native-Speaker teachers, and
- Darmokali which employs local teachers.

KELT offers a General English course which leads to the FCE (First Certificate in English) Examination
from the University of Cambridge ESOL.

Students can continue to an Advanced level and take the CAE (Certificate in Advanced English). KELT also offers courses for children, young adults, businesses and students planning to study abroad.

KELT branches have comfortable lobbies and air-conditioned classrooms equipped with recording facilities, video, and overhead projectors. There is also a SELF-ACCESS room where students may use computers and reading material for self-study. There is a lending library and a network of computers equipped with Internet access.

English for everyone:
Children’s courses are for children in TKB (Kindergarten) and SD (Elementary school).
The Young Adult course ss for teenagers in SLTP (Junior high school). There are 16 levels.
The General English course is for SMU (Senior High school) students, university students and the general public. There are 16 levels leading to FCE.
Business English is for companies that wish to give their employees English (or Bahasa Indonesia) language training either on-site or at our schools.