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Most people only know Jaime Escalante from Stand and Deliver.

Few know there was a Chinese immigrant teacher who did something just as extraordinary:

For 20 years in the Arizona desert, he took the state’s poorest Indigenous, Latino, and Black middle schoolers — many with broken English and shattered foundations — and turned them into statewide champions.

His name is Michael Xu.
The “Sage from the East.”

A man who survived China’s Cultural Revolution, hard labor in the jungle, lifelong dyslexia, and insomnia… yet became a legendary math teacher.

This thread is the first time his full story is being told.
And it reveals something much bigger than one teacher’s success. 2/20
Now, fellow Chinese immigrant and award-winning author Yellow Heights is telling Mr. Xu’s full story in a powerful new bilingual Substack series:
yellowheights.substack.com/p/introducing-…

This isn’t just one teacher’s miracle.

It raises two explosive questions that cut to the heart of America’s education crisis:

1. Is Mr. Xu’s miracle a victory for progressive education — or powerful proof against it?

2. Why did his students arrive in middle school with shockingly weak math foundations?
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Why has U.S. K-12 math failed generations of kids?