Innovative math curriculum using guided discovery and constant assessment to build student's confidence in their ability to learn math. I've never seen students (and teachers) quite so engaged.
Founder, John Mighton's TEDx Talk is worth a watch.
Closing the Achievement Gap in Math (Right Here in NYC)
Journalist David Bornstein (moderator) and Melanie Greene, Teacher, Manhattan Charter School
Teacher: Tashya Knight
One room schoolhouse