The purpose of this study was to investigate the relationship between reconsideration and intention toward ideal teacher selves in the teacher-training process, and identity development among students in teacher-training courses. A total of 867 students, including 492 students in a teacher-training course, completed a questionnaire. First, an exploratory factor analysis was conducted on the Reconsidering in the Teacher-Training Process Scale. The factor analysis revealed that the scale consisted of two factors: “reconsidering choosing a teacher profession” and “reconsidering competence as a teacher. Second, our findings showed that “reconsidering choosing a teacher profession,” “reconsidering competence as a teacher,” and “intention toward ideal teacher selves” correlated with “exploration” and “commitment” in identity development. Third, the scores for “reconsidering choosing a teacher profession,” “reconsidering competence as a teacher,” and “intention toward ideal teacher selves” differed significantly among identity statuses. These results suggest that reconsideration and intention toward ideal teacher selves in the teacher-training process are related to identity development among students in teacher-training courses.