Pretty sure you are mis-directing your time and energy by self-studying for 5 APs, especially if you think that it is going to help with admissions (b/c it won’t). Junior year coursework steps up, and in theory so do your ECs. You have a perfect GPA, a strong SAT, you can work on your essays all next summer, and you already have too many LoRs- so ECs do look like the weakest part of your app. IMO, taking a good hard look at your ECs, and focusing (yes, I noticed the ADHD- not a hook btw!) on one or two, to take them to the next level, would be a better use of that energy.
Looking at your ECs:
= The first is basically ‘I write stuff, and do Reader’s Digest versions of other people’s stuff and somebody else might help me get something published’.
= The next is confusing- you are teaching yourself Japanese & Chinese (one of which might be a heritage language?) and you are also paid? to teach little kids how to spell in Japanese? Also, there is a disconnect between having an LOR from a Japanese prof while leading with ‘teaching myself Japanese’.
= The third is helping friends do applications to something you were also applying to. Hard to see that as an EC. Wait till college app season…
= The last 2 are straight forward school clubs at what looks like a moderate level of involvement. Perfectly credible, but not something that is going to make a big impression. Again- that is based on how you describe you involvement- there may be more to it / you may be underselling yourself.