Mixed-aged (MA) classes are a common phenomenon around the world. In Sweden, these types of classes increased rapidly during the 1980s and 1990s, despite the fact that existing empirical support for MA classes is weak. In this paper, the effect of attending an MA class during grades 4-6 on students' cognitive skills is estimated. Using a unique…

As teachers and schools are held more accountable for students passing the tests within a designated time frame, the pressure on teachers requires them to work and plan smarter. It takes incredibly talented and dedicated teachers to pull off the multiage program while still meeting all of the state's testing requirements. Educators must continue…