How can math be the gatekeeper to student success? Bob Hughes, Director of K-12 Education at the Bill & Melinda Gates Foundation joins Sal on the next Khan Academy Ed Talk, this Tuesday, March 23 at 12:00 pm PT, 3:00 pm ET. They'll discuss how making Algebra 1 more accessible to all students can lead to better learning outcomes. For more information visit: keeplearning.khanacademy.org Khan Academy is a nonprofit with a mission to provide a free, world-class education for anyone, anywhere. If you’d like to contribute, please visit: https://www.khanacademy.org/donate