You have a really strong portfolio, so either way I think you'll be able to soak up some knowledge! The nice thing about school is that it will be there whenever you feel like you want to re-apply, if you decide to go that route.
Here's mine. It's pretty sparse, so I'm hoping to build it up more in grad school. I'm also really interested in art and science, so my approach to design has always been a pretty structured one and research has always been my favorite part of the process.
Keep us updated if you do decide to re-apply, it's great to see the projects that you're working on and your application progress posts have been super helpful!