2.Cambridge CPE grade A CEFR C2

 

10.3% of the candidates in the world who took CPE in 2016 were awarded grade A.

http://gradestatistics.cambridgeenglish.org/2016/cpe.html

CPE grade A represents a score of 220 to 230 on the

Cambridge English Scale

http://www.cambridgeenglish.org/exams/cambridge-english-scale/

What is CPE?
Proof of exceptional English ability:

Registration as a licensed English teacher in the Ministry of Education in Brazil, 1990.

Additional Teaching Qualification:

http://englishlessonsonline.org/index.php/my-certificates/cambridge-tkt-certificates-teaching-methodology/