Language of instruction and communication at IUS is English. Each student must prove their language proficiency in English to be able to begin their faculty programs.
| Level | ELS Proficiency | TOEFL iBT* | IELTS | Native English Diploma** | AICE*** | IB Diploma**** |
|---|---|---|---|---|---|---|
| BA | 65 | Before Jan 21, 2026: Min. 70 On/After Jan 21, 2026: Min. 4 | ✗ | ✓(≤2 years) | ✓ | ✓ |
| MA | 70 | Before Jan 21, 2026: Min. 75 On/After Jan 21, 2026: Min. 4 | ✗ | ✓(≤2 years) | x | x |
| PhD | 80 | Before Jan 21, 2026: Min. 80 On/After Jan 21, 2026: Min. 4.5 | ✗ | ✓(≤2 years) | x | x |
| Level | ELS Proficiency | TOEFL iBT | IELTS | Native English Diploma** | AICE*** | IB Diploma**** |
|---|---|---|---|---|---|---|
| BA | 65 | Before Jan 21, 2026: Min. 70 On/After Jan 21, 2026: Min. 4 | 6 | ✓(≤2 years) | ✓ | ✓ |
| MA | 70 | Before Jan 21, 2026: Min. 75 On/After Jan 21, 2026: Min. 4 | 6 | ✓(≤2 years) | x | x |
| PhD | 80 | Before Jan 21, 2026: Min. 80 On/After Jan 21, 2026: Min. 4.5 | 6.5 | ✓(≤2 years) | x | x |




Students who attend the English Language Program must sit for the Proficiency Exam at the end of B2 level. These students can't be exempt from the Proficiency Exam based on their B2 level scores.
Practice materials to help you prepare for the ELS Proficiency Examination
Audio tracks for Task IV of the Sample Proficiency Exam