TOEFL

[source: ETS.org]

The TOEFL iBT measures how well you read, listen, speak and write in English and use these skills together in the university classroom. For example, you might read a passage or listen to a lecture, and then write or speak about what you learned.

Accepted by 7,000+ destinations in more than 130 countries (PDF), it is the most widely accepted English-language test in the world.

Studying
TOEFL iBT Test Tips (PDF) helps test takers understand the TOEFL iBT test and prepare for it. You will find information on the new test format, types of questions, scores, frequently asked questions and more.

Useful Links:
Pronunciation in English is a web-based, interactive program that helps you with all elements of pronunciation, including stress, intonation and rhythm.
Idioms in English is a web-based, interactive program that helps you improve listening comprehension, vocabulary and speech.
Writing in English is a web-based, interactive program that helps you write clear, concise and correct English.
TOEFL Practice Online (payed)