剑桥英语C2能力是完成英语熟练程度的最终考试基础。成功通过考试的学生将对从社交互动到复杂的业务或学术讨论和辩论等几乎所有情况下的沟通技巧充满信心。学生将能够阅读并完全理解从通俗小说到任何长度的非专业学术材料的一系列真实教科书。要让听众理解，说话所需的注意力不会比理解母语人士所需的注意力更多。在至少两个正式和非正式的语录中，学生将习惯于书面英语，几乎没有语法或词汇错误。总之，在Discover English参加CPE后，无论该单词的任何标准或定义，学生的英语水平都将“流利”。探索英语的CPE课程并非易事，
Cambridge English C2 Proficiency is the final exam based step to complete mastery of the English language. Students who successfully pass the exam will be confident in communications skills across almost any context, from social interaction to complex business or academic discussions and debates. Students will be able to read and fully comprehend a range of authentic texts from popular fiction to non-specialist academic materials of any length. To be understood by listeners, the speaking will require no more concentration than is required to understand a native speaker. Students will be comfortable with written English across at least two registers, formal and informal, with little if any grammatical or lexical error. In sum, after taking CPE at Discover English students will be ‘fluent' in English by any standard or definition of that word.