Can you get into Emory or John Hopkins with a 3.73 GPA 1800 SAT proctor at a boarding school took 7 AP classes with As and Bs in all and many other activities?

There's never a "sure bet" applicant for any college - Harvard or Fisher Junior. The best chance a student has to get into college is to be well-rounded within extra-curricular activities and excel academically.

SATs are not as important as everyone assumes they are. It's a standardized test and schools like Emory and Johns Hopkins care enough about their undergraduate applicants that they will look beyond a number. AP classes are valuable, but it is all relative to how many are offered at your school. For example, a student who has taken 4 AP classes at a school that offers 5 AP classes is in a much better position than a student who has taken 8 AP classes at a school that offers 24 AP classes.

MOST IMPORTANTLY, be yourself in your application essay. Write about something realistic, but not too fluffy. Don't write about breaking your ankle and missing softball season during your sophomore year. Think about spoofing a favorite book (or writing your essay in the voice of a favorite literature or movie character), writing about the loss of a parent, sibling, or best friend (not a grandparent...unless she or he raised you), or about how your ordinary life is extraordinary - find it.