The greatest predictor of student success is not teacher quality, music classes, lab equipment or anything in the school at all. It's in the parent's wallet.
Starting in kindergarten, children from high-income families consistently perform better than those from low-income families on standardized tests. They are also more likely to attend selective colleges and to graduate.
And that gap has only gotten wider over the past three decades, according to research from Stanford University professor Sean Reardon.
Higher property taxes, safer neighborhoods and money to pay for enrichment activities all help to raise the performance of wealthier school districts like the ones below.
Scroll through to find out which school districts have the wealthiest residents.
A note about the data: This story is based on 2012-2016 American Community Survey data from the U.S. Census for elementary, secondary and unified school districts serving both elementary and secondary schools. Regional school districts are noted. School districts with a high margin of error were excluded.
(JERRYE & ROY KLOTZ, M.D. | Wikimedia Commons)