1. Just continue to get 3.9+ semester from here on out and a 3.4 semester from Freshman year or so will not kill you. Rising trend is key.
2. Try getting a paid job such as CNA, scribe, EMT, caretaker, ER tech, etc to get clinical hours. Also doing a good amount of shadowing by cold calling doctors/ networking with family friends can sometimes count as clinical. Also start clinical volunteering in a hospital or nursing home is a good option.
3. No
4.yes, you will have to report hours in amcas, the centralized medical school application system.
5. You don’t necessarily need to join school clubs, but you do need leadership experience which can be shown in a variety of ways. TA, tutoring, clubs, coaching, etc.