Dune Lakes Elementary School always keeps a unique vision of Growth Mindset and Grit in classrooms.  

Leaving a high-flying job in consulting, Angela Lee Duckworth took a job teaching math to seventh graders in a New York public school.

She quickly realized that IQ wasn't the only thing separating the successful students from those who struggled.

Here, she explains her theory of "grit" as a predictor of success.