While students begin schooling with high engagement levels, these levels begin to drop in the middle years of schooling but appear to recover somewhat in 10th grade, suggesting that the middle years of schooling are an especially vulnerable time in terms of student engagement (Willms et al., 2009). Moreover disengagement is most common in students…

The objective of this study was to examine the pattern of relations between missing weight and height (BMI) data and a range of demographic, physical activity, sedentary behavior, and academic measures in a young sample of elementary school children. A secondary analysis of a large cross-sectional study, PLAY-On, was conducted using self-reported…