Depending on where you live you can take gale classes online using your library card or library account that allows you to access public libraries for free

At the end of the gale classes are multiple choice tests and they give you a certificate if you do well enough on the test

Some of the classes are very good and you will learn a lot and some are not so good and what is good and not good might depend on your ability. What is good for one person might be bad for another.

100% free