It depends on your individual current situation. More information is needed before an accurate answer can be given.
Colleges do teach how to become a stockbroker. You would need to major in stockbrokers and financial service sales agents.
You don't.
Depends on what you mean by stockbroker. Technically speaking, anyone with a Series 7 license is considered a stockbroker. So, if you can find a job who will pay for training and licensing, you can become a stock broker. Usually firms give 120 days to take (and pass) the exam.
You would need to be an adult to be liscenced
Go to a professional licensed stockbroker.
Series 7
There is no formal education needed to be a stockbroker, just a firm knowledge of stocks. Most stockbroker companies will actually hire you without any training at all.
Stockbrokers typically have degrees in business especially in finance but they also have specialized training to become a stockbroker. All of the major stock exchange firms have job listings on their home sites.
Attila the Stockbroker was born on 1957-10-21.
Benjamin Edwards - stockbroker - was born in 1931.
Benjamin Edwards - stockbroker - died in 2009.
The Adventure of the Stockbroker's Clerk was created in 1893.