None of these schools are likely to meet your FAFSA EFC, think of EFC as the minimum you will be required to pay.
All of the schools you list require CSS Profile as well as FAFSA. Have you run the NPCs on all of them? What results are you getting?
AFAIK these schools do not stack aid, so if you are awarded a merit scholarship, whether internal or external, they will reduce your need based award, keeping the same net result.
Some schools will meet fin aid package of peer schools. Absent that, there is typically limited to no ‘negotiation’.
Based on this and your other thread, it is vitally important that you apply to one safety school—and a safety has to be affordable to be considered a safety.