A central Iowa college student died this week while vacationing in Central America. 22-year-old Greg Schrieber, of Jefferson City, Missouri, was a senior at Grinnell College. The school says authorities in Puerto Viejo, Costa Rica, have told them Schrieber died Tuesday while vacationing there with other students. He was reportedly swimming with friends in the ocean and was caught in a rip tide and drown. Grinnell College President Russell Osgood says it’s a great loss as he describes Schrieber as a well-known active student on campus.A memorial service will be held on campus after students return April 1st.