What you will need is a four year college degree in business or economics. Then you can apply where you want to work at. Be warned though, not many are being hired right now.
Many community colleges teach this and so do vocational schools.
Billing and coding schools and programs are available, particularly for furthering medical knowledge. They are schools, sometimes online, that teach courses on how to process insurance claims.
Yes, they will. They will keep your insurance rates down and they will teach you how to be a good driver.
EMT schools teach students everything necessary to become and Emergency Medical Technician. This includes caring for injuries or other emergency health issues such as heart attacks.
You can become a professional teacher by going to school. You need to go to school to earn degrees and then go out into other schools and teach.
Yes there are martial art schools that teach Kendo
There are many local schools to teach you to become a DJ. One decentralized online school that you can visit is located at http://www.onlinedjschool.com/OnlineDJSchool.com/Home.html.
Some schools teach karate as a sport. Some schools teach karate as a martial art. Schools of both types may allow full contact, however, most will not as the insurance requirements and liability are too high to allow it. As such pads and protective gear will be required.
Public schools are required to educate kids about drugs, but some private schools do not teach anything about drugs or drug use.
To teach students.
some do
Yes, you would! Gaming schools will teach you how to create different video games.