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…

This article explores heterogeneity as fundamental to learning. Inspired by Bakhtin's notion of heteroglossia, a design team consisting of an experienced classroom teacher and 2 researchers investigated how a class of 3rd and 4th graders came to understand disciplinary points of view on heat, heat transfer, and the particulate nature of matter.…

The researchers examined the communication participation, academic achievement, and social behavior of five Deaf or Hard-of-Hearing (DHH) students, five DHH students with additional disabilities (DHH-D), and 18 nondisabled, hearing peers in a co-enrolled, Grade 3-4-5 combination classroom. DHH students were not significantly different from their…