In this article, we describe the experiences of two preservice teachers (PSTs) who served as teaching assistants (TAs) in a secondary mathematics teaching methods course. As TAs, the PSTs approximated practice by being independently responsible for a learning environment and leading discussions with groups of students. Although the PSTs felt…

Practicum experiences in schools are highly valued in science teacher education programs. Yet, there are few studies examining secondary preservice science teachers' practicum classrooms. This mixed-methods study explored secondary preservice science teachers' perceptions of their practicum classroom learning environments, interpreted from an…