University of Michigan plans to forgo letter grades for some first-semester freshmen next year

The University of Michigan plans to forgo letter grades for some first-semester freshmen next year, prompting debate over the usefulness and impact of grades. Abbie Everett, senior director of teaching and learning at KnowledgeWorks, joins CBS News to discuss.

The University of Michigan plans to forgo letter grades for some first-semester freshmen next year, prompting debate over the usefulness and impact of grades. Abbie Everett, senior director of teaching and learning at KnowledgeWorks, joins CBS News to discuss.