Common European Framework of Reference for Languages <CEFR>
<A1> <A2> <B1> <B2> <C1> <C2>
A1 — Beginner
A2 — Elementary
B1 — Intermediate
B2 — Upper-Intermediate
C1 — Advanced
C2 — Proficiency / Mastery
<A1> <A2> <B1> <B2> <C1> <C2>
A1 — Beginner
A2 — Elementary
B1 — Intermediate
B2 — Upper-Intermediate
C1 — Advanced
C2 — Proficiency / Mastery