Graduate teaching assistants (GTAs) are an integral part of the instructional personnel in undergraduate general chemistry courses. Professional development programs for GTAs are well-established across STEM disciplines ranging from two-day to week-long sessions, covering a wide variety of topics, ranging from pedagogy and safety standards to…

This qualitative action research study examined teachers' perceptions about co-teaching and its effectiveness as an instructional model for students with disabilities. One-on-one interviews were conducted with eight elementary and secondary teachers from a medium sized school district located in Southwest Ohio that has a students' with…