Expert IELTS: British English 3 levels As an intensive course, Expert IELTS helps teachers support ambitious students preparing for IELTS. As an intensive course, Expert IELTS helps teachers support ambitious students preparing for IELTS Expert IELTS is the newest addition to the Expert series and is for the International English Language Testing System (IELTS). It is available in three levels reflecting IELTS bands: ò Band 5 (suitable for students from band 4) ò Band 6 (suitable for students from band 5) ò Band 7.5 (suitable for students from band 6)