Certified online English courses: level C1 and C2

Our online C1 English courses allow you to keep up to date with your English. Thanks to EF English Live's personalized study programs, you'll reach your goals in just a few weeks. Prepare for the C1 English online with EF English Live. Once finished, you will be ready to take our C2 online English course. 

Choose an online English C1 course

Our online English course is structured in 16 levels. A free test  at the beginning of the course will  determine your level of English proficiency.

If your actual level is C1, you will be automatically redirected to the educational content specifically designed for people of your language level.

C1 Level

The C1 level is the fifth language level of the Common European Framework of Reference for English.

At this level, you should be able to understand:


Long speeches about abstract subjects of relative difficulty


Long texts with hidden meaning


Complex vocabulary not necessarily related to one's discipline


Once you have completed our online C1 English courses, you will be prepared to move on to the next level.

C2 Level

The C2 level is the sixth language level of the Common European Framework of Reference for mastering English.

At this level, you should be able to:


Understand any type of speech.


Interpret abstract texts and literature (even if they are complex)


Communicate with fluency, similar to a native speaker


Our online C2 English course will help you reach this maximum language level, enabling you to interact with native speakers from any English-speaking country.

Structure of our online C1 English courses

Conversation classes

Practice your spoken English with a certified native teacher. Personalized conversation classes (40 min) whenever and wherever you want.

Group classes

Engage in conversations in small groups of students. Interact with people from all over the world on topics of common interest.

Interactive self-study exercises

Access exclusive interactive content designed for students at C1 and C2 levels. Achieve your goals while having fun.

Online English C1 Course

Our platform offers four levels of studying for those looking to achieve the best grades in English. These are levels 13, 14, 15, and 16.

For each level  completed, EF English Live will issue a certificate accrediting you with the language level achieved.

Proving your C1 or C2 level to your employer or university has never been so easy. With a few clicks, you can add your certificate to your LinkedIn profile.

Practice the language, reach your goals, and certify your achievements with EF English Live.

Certify your level

Our platform offers four levels of studying for those looking to achieve the best grades in English. These are levels 13, 14, 15, and 16.

For each level  completed, EF English Live will issue a certificate accrediting you with the language level achieved.

Proving your C1 or C2 level to your employer or university has never been so easy. With a few clicks, you can add your certificate to your LinkedIn profile.

Practice the language, reach your goals, and certify your achievements with EF English Live.

Our certified teachers will accompany you during your online C1 English course

We believe they are the best in the world, but don’t just take our word for it. See what our students say about our teachers.

Satisfaction Guarantee

Complete at least one teacher-led class and one self-study module every week. If you are not satisfied after your first 12 weeks, you get your money back.

Just in case you missed something...

Here are some of the most frequently asked questions about our online English courses:

The online C1 or C2 English courses from EF English Live do not have a fixed price. The cost of monthly packages varies according to the needs of each learner. What we do know is that each online class is much more economical than traditional classes.

The frequency of lessons and your availability determine the price differences between one package and another.

This language level corresponds to scores of 6-7 on the IELTS exam, 110-120 on the TOEFL, and the Cambridge C1 Advanced certification.

At this level of English, you should be able to understand specially crafted texts and speeches. Your vocabulary should allow you to converse about unfamiliar topics without problems. You should be able to use the English language with without any difficulty.

C2 is the highest level of English that exists. It corresponds to scores above 7 on the IELTS exam and the Cambridge C2 Proficiency certification.

A student who reaches this level has a knowledge of the language comparable to  a native speaker.

EF English Live offers online English courses for all levels. Whether you are a beginner or an advanced level, our professional Efekta Teachers™ will provide you with the support you need to excel linguistically.

There is only one objective way to determine your level of English: take a language test.

Depending on your needs and goals, you will choose the test that best suits you among the many options available today.

Taking the EF English Live online English test is definitely a good start. In a few minutes, you will discover your level of English and will be able to access educational content designed for people of your level.

If you want to know your online C1 English level for free, do not hesitate to take our test and start preparing your path to mastering English.

There are no secret shortcuts: to reach the C1 and C2 levels of English, you need to practice a lot.

Enroll in a customizable online English course like the one offered by EF English Live.

Other activities, such as watching movies, reading books, or listening to podcasts, can be of great help in developing the language skills necessary in everyday life.

For more tips on how to reach the English level you have set for yourself, visit our blog!

The EF English Live online C2 English course is aimed at people who already have an advanced level of English and want to achieve an almost native level of proficiency in the language. The course focuses on improving understanding of any type of speech, including abstract and complex texts and literature. In addition, it will help you develop your communication skills to achieve fluency and accuracy to the level of a native speaker.

The goal of the course is to help learners interact seamlessly with English speakers, which means they will be able to interact and communicate confidently in everyday and professional situations.

The online C2 English course is designed for students who already have a high level of English and want to perfect their skills to reach an advanced and fluent level that allows them to successfully navigate international contexts, be themselves in English, and communicate confidently with native English speakers.

Don't forget that you can find out if you have the C1 level of English for free so that you can take our online C2 English course.