What happens next?

How to become a tailor
Earn a high school diploma.
There are no official educational requirements for becoming a tailor. As a general rule, though, you should at least have a high school diploma or ged, especially if you intend to work as a tailor for a larger fashion company.
Check with your high school to see if there are any classes that might prove relevant to the field. At the very least, you should try to take a home economics course.