Clotfelter, Charles T.; Ladd, Helen F.; Vigdor, Jacob - National Bureau of Economic Research (NBER) - 2012
In 2002/03, the Charlotte-Mecklenburg Schools in North Carolina initiated a broad program of accelerating entry into algebra coursework. The proportion of moderately-performing students taking algebra in 8th grade increased from half to 85%, then reverted to baseline levels, in the span of just...