I think your plan is reasonable, to ED cornell where you are legacy, plus you have a large list of potentials in reach, match, safety. How do no-hook legacy students from your school tend to do for cornell ED? Also, keep in mind that there may be a supreme court decision regarding racial preferences in admissions before next September, and the colleges may not have the time to quickly scramble to find proxies for race, which then too will be challenged. In California, when public admissions went race blind, and before they went test blind, the percentage of Asian admits skyrocketed. You may be in that first year to ride that wave.