OK - it’s way too early to know if you can get into UCs or Stanford. It’s also too early to label them as matches or really any categorization although you’ll likely need to do better than a 3.7.
You’ll be grades, rigor, test score (not for UCs), ECs and more.
Be the best you that you can be.
Get involved - at school (sports, clubs, band), the community (jobs, ECs, etc.) and college will take care of itself wherever you end up.
You are waaaaaay too early to be thinking about this though.
Best of luck.