The current study examined school-level victimization as a moderator of associations between peer victimization and changes in 2 types of self-blaming attributions, characterological and behavioral, across the first year of middle school. These associations were tested in a large sample (N = 5,991) of ethnically diverse adolescents from fall to spring of the 6th-grade year across 26 schools. Consistent with hypotheses, the results of multilevel modeling indicated that victimized youth showed greater increases in characterological self-blaming attributions (e.g., "my fault and cannot change it") in schools where victimization was less common. In contrast, victimization was associated with increases in behavioral self-blame (e.g., "I should have been more careful") for bullied students in schools with relatively higher levels of victimization. Underscoring the psychological consequences of person-context mismatch, the results suggest that when schools manage to decrease bullying, the few who remain victimized need additional support to prevent more maladaptive forms of self-blame.