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None.
Need to hold a bachelors degree.
Cosmetologists attend community college. They generally attend for two years. If they have previous college credits, they can reduce the amount of time they are in school.
The number of years you need for business administration depends on the degree you receive. For a bachelors degree, you will need to attend college for three to four years.
You need to obtain at least a Bachelors degree. Then, you need to attend dental school for 3-4 years. After that, a special orthodontist school for 1-2. So you could end up being in college for 7-10 years depending on how fast you can do it.
You will need to attend college for at least two years. You can also choose to attend for four years if you want a higher salary.
Law officers do not go to college. They attend Police Academies.
Clearly more than you've had judging by your spelling
12 years total
Becoming a neurosurgeon requires more than just experience. You will need to attend medical school for four years?æand then attend for at least another two years to four years for surgeon training.?æ
To become a dentist it takes at least 3 years of undergrad study (but a Bachelor's degree is preferred) and then another 4 years to work on the denistry degree.
Models do not need to attend any type of school. Their agency will train them for free after signing a modeling contract.