Bob Moses works with Jennifer Augustine, Guitoscard Denize, Darius Collins and other students who are part of this Algebra Project classroom. It's one of several student cohorts across the country where students who've struggled with math get to college-level by the end of high school. Christopher Connelly/NPR hide caption

itoggle caption Christopher Connelly/NPR

Dunbar High School has a notable list of graduates, including the first black presidential Cabinet member, the first black general in the Army and several of the lawyers who argued the Brown v. Board of Education decision. Courtesy of Chicago Review Press hide caption

itoggle caption Courtesy of Chicago Review Press

The Tucson Unified School District (TUSD) is resurrecting its Mexican-American studies program. Matt York/AP hide caption

itoggle caption Matt York/AP

Teacher Karen Pate assists math teachers with Common Core materials in Baltimore. As in other states, Maryland teachers are attending trainings to prepare to implement the new standards this fall. Gwendolyn Glenn/WYPR hide caption

itoggle caption Gwendolyn Glenn/WYPR