It's almost May, which can only mean one thing: Commencement season is upon us.
Every year, colleges and universities book big name celebrities, business men and women, politicians and philanthropists for commencement addresses. It may be a way to garner publicity for the school, but as far as students are concerned, it's usually the most entertaining part of the sometimes prolonged commencement ceremonies.
As we do each year, The Huffington Post will be bringing you extended coverage of the best commencement speeches. But for those who can't wait, or are curious at who is scheduled this year, we have lineup of some of the biggest names below.
Stephanie Courtney, Better Known As Progressive Insurance's "Flo" - Binghamton University

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May 17, 2015
Actress Natalie Portman - Harvard University (Class Day)

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May 27, 2015
Michelle Obama - Tuskegee University

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May 9, 2015
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Barack Obama - Lake Area Technical Institute

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May 8, 2014
Neil deGrasse Tyson - University of Massachusetts-Amherst

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May 8, 2015
U.S. Sen. Elizabeth Warren - Bunker Hill Community College

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May 30, 2015
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U.S. Rep. John Lewis - Lawrence University

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June 14, 2015
Stephen Colbert - Wake Forest University

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May 18, 2015
Arianna Huffington - Vassar College

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May 31, 2015
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Actor Matthew McConaughey - University of Houston

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May 15, 2015
Humans of New York Founder Brandon Stanton - Westfield State University

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May 16, 2015
Joe Biden - Yale University (Class Day)

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May 17, 2015
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Chicago Archbishop Blase J. Cupich - Boston College

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May 18, 2015
Former Massachusetts Governor Deval Patrick - Harvard University

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May 28, 2015
US Ambassador to the UN Samantha Power - University of Pennsylvania

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George W. Bush - Southern Methodist University

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May 16, 2015
Co-founder of Partners In Health Paul Farmer - Duke University

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May 10, 2015
LA Mayor Eric Garcetti - Columbia University (College)

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May 18, 2015
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Blind Mountaineer Erik Weihenmayer - Lafayette College

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May 23, 2015
Venture Capitalist Ben Horowitz - Columbia University (Engineering)

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May 19, 2015
Former Secretary of State Colin Powell - Rice University

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May 16, 2015
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Actor Anthony Hopkins - Seaver College

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Filmmaker Ken Burns - Washington University in St. Louis

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May 15, 2015
Dr. Jay Varkey, Who Treated Ebola Patients - Centenary College

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May 2, 2015
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Author Doris Kearns Goodwin - Longwood University

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May 9, 2015
Olympian Michelle Kwan - Salve Regina University

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May 17, 2015
Former Florida Governor Jeb Bush - Liberty University

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May 9, 2015
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Secretary of Housing and Urban Development Julian Castro - California State University at Fullerton

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May 16, 2015
MSNBC Anchor Richard Lui - California State University at Fullerton

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May 16, 2015
MSNBC Anchor Chris Matthews - Saint Mary's College of California

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May 23, 2015
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New York Times Columnist David Brooks - Dartmouth College

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June 14, 2015
Tom Brokaw - High Point University

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May 9, 2015
Jill Biden - Central Piedmont Community College

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May 14, 2015
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Attorney Kenneth Feinberg, Who Ran The One Fund in Boston - Stonehill College

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May 17, 2015
Actor Alan Alda - Carnegie Mellon University

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May 17, 2015