High income neighborhood does not really produce good pupils. You need to personally observe the teaching methods, students behavior and draw your own conclusion why schools need improvement. Teachers there have their opinion why. The well being of children academic achievement lies with parenting involvement not necessarily from income .
A public school scored the lowest in SC County (api:550) changed to around API > 900 after
the school had parents volunteer for school duties so teachers can focus on teaching. That occurred over within a few years with essentially same demographics. Furthermore, many parents there pioneered the computer technology with creme of crop of scientists. They were some of the best paid and most acclaimed workers in the Valley.