Research in Education
Tripod has a variety of resources related to methods for conducting research in education, especially in the classroom.
Try searching books with the subject heading "Education Research" to find more materials on conducting and evaluating research in classrooms.
For practical advice and resources about ethnographic fieldwork, check out the fieldwork guide! While written for anthropology students, some of the resources, tools, and suggestions are useful for anyway conducting research through field placements with community partners.