@ANIMALGIRL,
The key thing is to continue practice drawing and design and color schemes. Build up your portfolio of potential clothing designs. Feel free to be wild and/or imaginative. Feel free to be unpractical and excessive.
Then do the opposite. Dive into the practical and functional. Push hard for the envelope of designs that are pragmatic and minimalist.
Then formulate the most difficult science of fashion design: Discover the true middle ground. Design clothes that are practical, yet imaginative, and show the perfect amount of design without being excessive.
After you get a large enough portfolio, then send the best designs into as many fashion schools as possible. Hold confidence with your work!
Good luck!