A special tabulation of individual student scores from the Texas Assessment of Academic Skills (TAAS) test allowed a ranking of Texas schools according to test score changes ("value added"). The rankings varied greatly by student subpopulation. That is, the vast majority of schools are much more effective with some kinds of students than…

This study compares three variations in how researchers construct middle childhood social networks: (1) with "friendships" or "affiliations" as a relational tie; (2) with children providing "self reports" of relationships, or in addition, "multi-informant reports" of relationships in which they are not involved; and (3) whether network computation…

This article reports on the experiences and perceptions of K-12 teachers as they engaged in a participatory action research (PAR) project, "Science Across the Curriculum." Although the experiences and professional learning of two of the project participants are highlighted, the challenges that all participants experienced as they conceptualized…