Connor Heckert for NPR
In 1989, college senior Wendy Kopp was trying to figure out how to improve public education in the US.
For her senior thesis, she proposed creating a national teaching corps that would recruit recent college grads to teach in needy schools.
One year later, she launched the nonprofit, Teach for America.
Today, TFA has close to 60,000 alumni and continues to place thousands of teachers across the country.
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