Study after study has found that new teachers tend to be less effective than educators with more experience. But despite having more junior staff, charter networks (referred to as CMOs) often outperform their district peers. So what's their secret? To find out, this study explores how teacher effectiveness varies and evolves across traditional and…

The "Knowledge Is Power Program" ("KIPP") is a nonprofit network of more than 200 public charter schools educating early childhood, elementary, middle, and high school students. The What Works Clearinghouse (WWC) identified four studies of "KIPP" that fall within the scope of the Charter Schools topic area and meet…

Charter schools represent an increasingly important form of school choice in the United States. Charter schools are public schools, with a difference. Compared to traditional public schools, they are exempted from some of the state laws and regulations that govern traditional public schools. In this way, parents come to have a greater number of…