It depends. Some people finished high school early and some don't. You get people who skip a whole year because they are too smart. If you do A levels, you should graduate when you're around 18-19.
In Addition:
The answer varies depending on where you live. In the United States, you can go to high school until you are 21 years old, however, most people graduate at the age of 17 or 18. Graduation is based more on having completed the courses required for graduation rather than your age.
Some student graduate high school around the age of 16-19
16
he didnt.
Lee Harvey Oswald did not graduate high school. He dropped out at the age of 17 to join the Marines.
He graduated at the age of fifteen.
about 20 probebly
No, he dropped out of high school at the age of 17.
In high school, you can graduate with a high school diploma.
You graduate high school with a high school diploma.
Mark Twain did not graduate high school. Mark Twain only completed the sixth grade.
You will then have to leave school without having graduated.
No. In 4th grade there are still several more years of school you have to have. A GED test is given to a person who did not graduate from high school.