educators. 11-13 One key idea with respect to co-teaching is that each co-teacher has a unique,professional skill set to offer the classroom environment. Having two classroom teachersteaching together (i.e., team teaching), while potentially helpful, does not have the same spirit ofco-teaching where a combination of different skill sets provides a unique benefit to the learningenvironment. 10 For example, in one case study of elementary science co-teaching, the classroomteacher was regarded as the “science content expert” and the special educator was regarded asthe “adaptation expert”. 14 Although each co-teacher’s skill set has unique elements, co-teachers are peers withregard to level of certification, helping to ensure that “they