Test of English as a Foreign Language (TOEFL)
TOEFL is an English certificate which aims for academic use and is widely used around the world. The only test form currently offered is an internet-based test (iBT) which can be taken in numerous test centres worldwide and takes about 4 hours. The grade of the test is equally combined out of the following four parts. Each part is graded with up to 30 points which adds up to a maximum score of 120 points.
During the entire test, you are just interacting with a computer. In the first two parts, you read and hear texts about various topics and answer multiple-choice questions about the content later. In the speaking part, your spoken answer is recorded, sent to an online scoring network and evaluated by three to six raters later. The written part is evaluated by this online scoring network as well.
It is recommended that you prepare yourself using the official ETS Material. It is the best updated resource with Hundreds of authentic TOEFL test questions and essay topics that will make you very confident for the test.
The most common score required by universities is 79-90 (B1/B2). Some universities also require minimum scores in some of the 4 test parts. With around $240 (See the price for your country) TOEFL is in the same price range as the other English language certificates. The certificate is valid for two years. Be aware that it takes several weeks after the test before you receive your results!