Overview
The Common European Framework of Reference for Languages: Learning, Teaching, Assessment is a guideline to measure achievements in European languages. For information about the background to the CEF see this Wikipedia article.
Levels
: A Basic User :: A1 Breakthrough (often known as Elementary) :: A2 Waystage (often known as Pre-Intermediate) : B Independent User :: B1 Threshold (often known as Intermediate) :: B2 Vantage (often known as Upper Intermediate) : C Proficient User :: C1 Effective Operational Proficiency (often known as Advanced) :: C2 Mastery (often known as Proficiency)