City Colleges of Chicago has announced a strategic plan  that aims to boost its graduation rate from 12 percent to more than 20 percent by 2018. The two-year system has also set a goal of increasing the number of degrees it issues each year by almost 40 percent. And it seeks for more than half of graduating students to transfer to four-year institutions. Cheryl L. Hyman, the system's chancellor, has promised to make improving student completion a priority . Graduation rates stood at 7 percent before her arrival in 2010.