@jelobb88 applying next year sounds reasonable, and I would make sure to do all you can to maximize your work experience. Extract as many leadership and teamwork stories from that as you can, from really good quantifiable achievements.
I don't see that your undergrad will stand in your way necessarily even though it's not exactly a a brand name school. I have to say I don't really work with many people who have a branch management background but if you could demonstrate potential I think that you would have a good shot.
The schools that you mentioned are definitely within reason. If you have any ambition to be at Amazon or any other tech company I recommend that you look at schools that are feeders for those companies such as Foster or Ross. Make sure to think from the end, consider where you want to end up, and then back things out from there, rather than guessing at what you think might be the right move.
Be sure to do the very best you can on the GMAT and use the time you have between now and next to you to get a great score.
I would recommend that you get into Toastmasters and do other things that might help strengthen your profile, namely making sure that you have a strong history of community involvement and community leadership. If you don't have that going on right now I would make sure that's number one priority.
Please don't underestimate this. If you have a record of achievement in a name brand community organization I think that might add a little more credibility and gravitas to your profile.
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