Most states do not mandate a curriculum. There are resources available online for suggested courses of study.
Education is mandatory in the US. Most states require schooling until the age of 16. There are alternatives, such as home schooling, but it requires meeting specific curriculum requirements.
Business school.
Yes
Any accounting position will require a fair amount of schooling, and a contact accounting job is no different. At a minimum, a person seeking this type of employment will require a bachelors degree.
The only operating rooms jobs that may not require schooling or experience would be cleaning. Any time someone is assisting in a surgery, special training is required.
Most careers require that a person has some sort of college degree. Most states require a bachelors degree or 4 years of schooling to become a high school math teacher.
Here's a link to a website that will help you learn what schooling you need to become an emergency medical technician and find the school best suited for you. Good luck! http://www.schoolofemt.com/
9 years because the more u know the better you do
Some therapists or psychologists can practice with only a Master's degree.
Which of these types of education would prob cost the least?
A variety of general curriculum
Some parts of it are and some are not. It depends on how much of the program you want or require.