Actually: The Cambridge English: Advanced (CAE) was rebranded in 2016. Its current official name is . (C2 Proficiency is a higher, separate exam). The content below reflects the current C1 Advanced exam, which is the direct successor to the CAE. Write-Up: The Cambridge English Advanced (CAE) / C1 Advanced Test What Is It? The Cambridge English Advanced, officially known today as C1 Advanced , is a high-level English language qualification. Recognised by over 9,000 educational institutions, government ministries, and global corporations, it proves that a candidate has the language skills necessary for demanding academic and professional environments.