JHU would not be “impossible”.
If you submit well-prepared applications to a balanced mix of reach-match-safety schools, you’ll be fine.
If you’re a California resident, you may want to avoid applications to OOS public schools. You have so many very good, less expensive options in state. Unless your family income is too high to qualify for aid, some of the private schools may have lower net costs than any of the OOS public universities on your list.