The purpose of this study was to examine whether developmental disorder tendency such as ADHD and ASD tendency are related to internalizing problems through teacher teaching attitudes and school life events, targeting higher grade elementary school children enrolled in regular classes. Higher grade elementary school children (N=206) completed a self-report questionnaire concerning their teacher teaching attitudes, their daily experiences with schoolwork and their relationships with friends and classroom teacher at school, their self-esteem, and internalizing problems. Their homeroom teachers (N=9) rated each children’s developmental disorder tendency. As a result of path analysis, it became clear that developmental disorder tendency to be related to internalizing problems through mediating teacher teaching attitudes, school life events, and self-esteem.