"Recent studies indicate that students who took courses in an integrated mathematics track scored 4.2 points higher on the math portion of the ACT than those in a traditional track of mathematics courses."
Read more here: http://www.charlotteobserver.com/opinion/op-ed/article84472982.html#storylink=cpy
Read more here: http://www.charlotteobserver.com/opinion/op-ed/article84472982.html#storylink=cpy