Dhaka, Aug. 24 -- When Hurricane Katrina struck 20 years ago, it devastated New Orleans and transformed its schools, leaving behind the nation's first all-charter district. For many who lived through that upheaval, the experience shaped their futures - inspiring some to become educators themselves.

Ahead of the storm's anniversary, three survivors shared with The Associated Press how Katrina altered their lives and careers.

A displaced student finds inspiration in Texas

Chris Dier, now a history teacher in New Orleans, was starting his senior year in neighboring Chalmette when Katrina hit. Evacuated to Texas, he finished school there after months in a trailer offered by strangers. Teachers stepped up in his darkest moments - providing ...