Single parenthood is on the rise worldwide. While acceptance of single-parent households is increasing, some authors point out that single-parent families still suffer from negative societal attitudes compared to heterosexual two-parent families, while also being among the most vulnerable groups...

Many test-based accountability systems, including the No Child Left Behind Act of 2001 (NCLB), place great weight on the numbers of students who score at or above specified proficiency levels in various subjects. Accountability systems based on these metrics often provide incentives for teachers...