What is Ielts? Ielts Stands for ‘international English Language Testing System’. Ielts is a Test of English Language Proficiency. the Ielts Test is Jointly Owned by the British Council, Planet Edu And University of Cambridge – Esol Examinations. Ielts is World’s Proven English Language Test. Why Choose Ielts? Ielts Provides a Profile of a Candidate’s English Proficiency at a Given Time. Ielts Tests are Administered at Centers Throughout the World. Ielts Provides Not Only an Indication of Ability in a Particular Module But Also an Indication of Overall Ability.