I plan to go on the pre-med track and my dream school is Johns Hopkins. What are some extracurriculars I should do that are medicine related?
It largely matters on what's available to you. I would recommend asking your school counselor the same question, they should be able to let you know if your school offers an relevant clubs or classes. Outside of school I would recommend getting First Aid and CPR certified through the Red Cross. You should also look around to see if there are any Mental Health First Aid classes in your area. That as well as any other mental health related classes can be helpful and are something many med students (and professionals) are lacking in, it definitely could help you stand out! Mattering your age you may also be able to volunteer at a local hospital reading to patients. If not you still may be able to volunteer at a retirement home. I also would take a look at what health classes your High School offers some offer classes like Sports Medicine which can give you a head start in your learning. Learning a second language would be great too because the need for bilingual medical professionals is very high.
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just adding onto this, if you want you can also get a lifeguard certification and get a summer job at a local pool. This is also a good look on your common app, and can have potential for some essays