share some programs for 16 yr olds

I'm turning 16 this September - there's been SO many programs, internships, etc i want to apply to but im not able to until im 16 and at this point ive lost count. I'm hoping to major in neuroscience / pre med and to get into NYU or Brown. My stats are pretty mid right now but I hope to lock in next year. Are there any specific programs I should apply to? Please lmk what you guys have done and how it was!!'