The idea that computers can ever replace teachers and schools reveals a deep lack of understanding about the role leadership plays in student success.

While I started out with a vague understanding that diversity would be important, my own observations have led me to realize that achieving greater levels of diversity is in fact vital to our long-term success.

We're not trying to be the only route into teaching. We do put enormous energy into understanding what differentiates the most successful teachers.

Technology has enormous potential to address educational needs more efficiently, help teachers improve their performance, and enrich and individualize student learning.

With the Internet and social media being a huge part of today's culture, I think it's super important to promote staying smart online.

City Year resonated with me because when I grew up, we were poor - and an education is a way out of poverty. It's a way out of the current situation that can seem isolating and hopeless for some kids.

America must be the teacher of democracy, not the advertiser of the consumer society. It is unrealistic for the rest of the world to reach the American living standard.

Providing better computer science education in public schools to kids, and encouraging girls to participate, is the only way to rewrite stereotypes about tech and really break open the old-boys' club.