Entertainer and entrepreneur Sean Combs delivers Howard University's commencement speech during the 2014 Howard University graduation ceremony in Washington, on Saturday, May 10, 2014. Some suggested that Combs, who attended Howard in the late 1980s but did not graduate, was a poor choice of speaker. Jose Luis Magana/AP hide caption

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Several high-profile commencement speakers have resigned in the wake of student protests this graduation season. iStockphoto hide caption

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Tiffany Contreras gives a presentation in a nutrition class at Tulsa Community College. She's pursuing a degree in nursing as part of the Career Advance program. John W. Poole/NPR hide caption

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Shartara Wallace picks up her son James, 4, from preschool in Tulsa, Okla. John W. Poole/NPR hide caption

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Standardized tests are an important consideration for admissions at many colleges and universities. But one new study shows that high school performance, not standardized test scores, is a better predictor of how students do in college. Amriphoto/iStockphoto hide caption

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Alex Tu, an advanced placement student, takes a computer science class in Midwest City, Okla. There's been a sharp decline in the number of computer science classes offered in U.S. secondary schools. Sue Ogrocki/AP hide caption

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Silver Lake Elementary School in Middletown, Del., has begun implementing the national Common Core State Standards for academics. The GOP largely backs the standards that are rolling out in 45 states, but Tea Party conservatives have been critical — and liberals increasingly have the same complaints. Steve Ruark/AP hide caption

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Students at the Oakland Military Institute took several courses offered by San Jose State and the online course provider Udacity this year. The university is now scaling back its relationship with Udacity. Laura A. Oda/MCT/Landov hide caption

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Hands-on science activities like making bubble mitts at the Mission Science Workshop teach students about things like surface tension. Justin Jach/Courtesy of Mission Science Workshop hide caption

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Students at Lowell High School in Michigan sit down for lunch. Shorter lunch breaks mean that many kids don't get enough time to eat and socialize. Emily Zoladz/Landov hide caption

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