International English Language Testing System (IELTS) is a test system for non-native English speakers to assess their English proficiency skill. IELTS scoring is required for entry to international universities, working and migrating to other countries. IELTS is also recognized by international organizations, immigration authorities and other government agencies. IELTS have four sub-sets or modules: Listening test, Reading test, Writing test and Speaking test. Depending whether they selected Academic Module or the General Training Module, students take the same Listening and Speaking tests, but sit differently in the Reading and Writing test.