The *Common European Framework of Reference for Languages: Learning, Teaching, Assessment (CEFR) is a standard guide for teaching and learning languages created by the Council of Europe. It used to measure the level of comprehension and oral and written expression in a language and ensures the equivalence between different official degrees offered by universities and academies. Encourages the mobility of citizens through a linguistic portfolio that summarizes the domain of each language.
This is the table of equivalence of levels that NELC offers regarding the CEFR.
Levels and CEFR equivalence
| Level CEF C2 | Expert |
| Level CEF C1 | Superior |
| Advanced 3 | |
| Level CEF B2 | Advanced 2 |
| Advanced 1 | |
| Level CEF B1 | Intermediate 3 |
| Intermediate 2 | |
| Level CEF A2 | Intermediate 1 |
| Basic 3 | |
| Level CEF A1 | Basic 2 |
| Basic 1 |
