Lincoln for high school is the same price nearly as an elite US prep school that sends most of its graduates to top tier universities. I don't think Lincoln has that kind of pull and prestige.
Buenos Aires: good public schools in middle class neighborhoods within el centro that teach high schoolers algebra, no giant homeless encampments or open air drug markets, no violent mentally ill thugs fighting you in public transport
SF: has Whole Foods (except the one they just closed down to...
Came at the wrong time, José Ignacio is basically closed. Only the overpriced tourist traps and Almacén de Pizza chain type places in the Ruta are open