The honest summary
The school decision is address, application, or premium.
Path one is MNPS by address. This can work well in specific zones, but it requires verifying the exact elementary, middle, and high school path before you sign. A half mile can change the assigned school, and a neighborhood brand can hide a weak feeder pattern.
Path two is MNPS optional and magnet. Hume-Fogg, MLK, Nashville School of the Arts, East Nashville Magnet, and other options create real opportunity, but application timing matters. Families moving mid-cycle should not assume a seat will be available when the lease starts.
Path three is the premium path: Williamson County, Franklin, Brentwood, or private-school geography around Green Hills, Belle Meade, and Oak Hill. This is simpler operationally and more expensive. The cost is embedded in the house price, commute, or tuition.