You can take the ACT regardless of which classes you take. You can even take it before entering high school.
a lot
Classes that veterinarians take in high school would be biology (other sciences) and math
well im guessing you need to take drama.
Dance Classes
To get college credit in high school.
It doesn't really matter what classes you take in high school or even in college. The grades you get are more important.
you have to take cooking classes
Your High School classes only have a value in gaining you admission to a college.
Drama
English
Every high school is different. I don't know if there are any specific classes that you need to take. Not all high school's offer courses for animal science.
Any fashion or design class, as well as business classes. Although it really doesn't matter what classes you take in high school because your going to get all of your education for fashion design in college. It is highly unlikely that you will have a career in fashion design if you only have a high school diploma.but if you want to you can take art, self-marketing, textile development, or any classes like that.:]