NYC median income is about $80,000, while Zurich is $95,000. But my test-score comparison is between NYC and the U.S. national average. I'm just using Zurich as a data point for how much a rich, expensive non-U.S. city spends on education.
> 75.3 percent were economically disadvantaged [0]
75.3% = "if their family participates in specific economic assistance programs or meets distinct low-income thresholds."
[0] https://www.schools.nyc.gov/about-us/reports/nycps-data-at-a...