Overemphasis on rigor derailing U.S. high schools
By requiring all students to take advanced courses and score higher on standardized tests, states are missing out on deepening learning and teaching vital critical-thinking skills. Gains come at the expense of other goals for high school reform, including equity, curricular relevance, and student interest.
Grubb, W., Oakes, J. (2008). Restoring vaue to the high school diploma. Phoenix: Arizona St. University.