I’m thrilled to announce that Hamilton creator/genius @Lin_Manuel will be joining us for a special edition AP U.S. History lesson. Watch on YouTube this Friday at noon Eastern Time. https://t.co/eXQK7Uodke #APMasterClass

Emily Calandrelli - MIT engineer, women in STEM advocate, and lover of all things outer space - is joining today’s AP Physics 2 class! Set a reminder to watch her #APMasterClass: https://t.co/RXbN31AI6c.

If you ever wanted @Lin_Manuel to be your history teacher, tomorrow's your chance. Join his special edition #APUSH class at noon Eastern Time. https://t.co/lMDmTsJzIQ #APMasterClass

Senator @CoryBooker will be teaching tomorrow's #APUSH #APMasterClass. Don’t miss what is sure to be a historic event! Watch live on May 8 at 11 am ET: https://t.co/gWywPGvGvi.

Senator @CoryBooker is joining today's #APUSH lesson! Join his #APMasterClass beginning at 11 am ET: https://t.co/gWywPGe5DK.

What do Alexander Hamilton and The Notorious B.I.G. have in common? @Lin_Manuel explains: https://t.co/lMDmTt1aAo. #APUSH #APMasterClass

Janet Yellen, economist and former Chair of the Federal Reserve, will be joining tomorrow's AP Macroeconomics lesson. Students and teachers are invited to join her live #APMasterClass at 5 pm Eastern Time: https://t.co/WctZSkAlQR. #APMacro

When he was writing Hamilton, @Lin_Manuel used a lot of the same skills #APUSH students have been learning, like analyzing evidence and providing historical context. Join his special edition #APMasterClass at noon ET! https://t.co/094hOtQvJx

#APUSH students/Hamilton fans: We have a major guest AP U.S. History teacher joining us this Friday. Spoiler alert: It’s @Lin_Manuel. Set a reminder to watch this special edition #APMasterClass: https://t.co/094hOtQvJx.

#APPhysicsC students: Special guest @Sci_Phile is joining tomorrow's class to nerd out with us over all things science! Stream his #APMasterClass here at 6 pm ET: https://t.co/4elkoGzUKc.

Hamilton wouldn't have happened if it weren't for @Lin_Manuel's 11th grade U.S. History class. Hear him tell more of the story. https://t.co/094hOtyUkX #APUSH #APMasterClass

. @TheSpaceGal demonstrates the Lorentz force! Watch her full AP Physics #APMasterClass here: https://t.co/RXbN31AI6c.

NEW: @KChenoweth will be sharing some words of encouragement with AP Music Theory students this morning as they get ready for their AP Exam. Tune in: https://t.co/V4EbMJKRRg. #APMasterClass

Thrilled to have @Sci_Phile on tomorrow’s #APPhysicsC #APMasterClass to share his love for science with students as they prepare for the exam. https://t.co/TjRkrvJJGo

We're thrilled that Janet Yellen, former Chair of the Federal Reserve, will be sharing her expertise with #APMacro students today to help them better understand economics as they prepare for their AP Exam. Her #APMasterClass begins at 5 pm Eastern Time: https://t.co/WctZSkAlQR.

During today's #APMasterClass, @JohnQABC shared great advice for students who are interested in a career in journalism. Watch more here: https://t.co/t02VLHr9BY. #APSpanish

NEW: Poet and author Richard Blanco will be joining tomorrow's #APLit class! Set a reminder to watch @rblancopoet's #APMasterClass: https://t.co/sZEFP0CLJP.

What would you do if John Quiñones, dropped into your AP class? @JohnQABC is joining AP Spanish Language today for an #APMasterClass to share his story and advice for students. Set a reminder to watch at 3 pm ET: https://t.co/t02VLHr9BY. #APSpanish

Another great guest is lined up to teach an #APMasterClass tomorrow - @Sci_Phile! He’ll share his fun, pop culture approach to learning science with #APPhysicsC students. Watch live on May 1 at 6 pm ET: https://t.co/cvmspXqy9G.