College students surrounded President Obama earlier this month when he called on Congress to stop student loan interest rates from doubling. Congress agreed on a deal to prevent the hike on Friday. Jewel Samad/AFP/Getty Images hide caption

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Michelle Holshue racked up $140,000 in student loan debt while training to become a public health nurse. She's living her dream of helping others, she says, but never expected it "to be so hard." Emily Bogle/NPR hide caption

itoggle caption Emily Bogle/NPR

Protesters are seen in June 2011 in support of the Tucson Unified School District's Mexican-American studies program. A new state law effectively ended the program saying it was divisive. Ross D. Franklin/AP hide caption

itoggle caption Ross D. Franklin/AP

President Barack Obama shakes hands with students after urging Congress to pass legislation that would keep federal student loan rates from doubling in the East Room of the White House June 21 in Washington, D.C. Chip Somodevilla/Getty Images hide caption

itoggle caption Chip Somodevilla/Getty Images

Community Science Workshops give low-income kids around California opportunities to learn about science firsthand — from holding spiders to building robots. Amy Standen for NPR hide caption

itoggle caption Amy Standen for NPR