Introduction: Stuttering is a multifaceted disorder that occurs in the natural course of a person’s speech, which accompanied with different behavioral, emotional, social, and attitudinal changes. Therefore, assessing these changes during stuttering is a vital aspect of treating this disorder. This study was done to investigate the relationship between emotional and social components of Calms Test and demographic characteristics of students with stuttering. Methods: This study was an analytical cross-sectional study (10 months). The sample consisted of 74 students aged 7 to 14 years who were selected by available sampling methods from Speech Therapy Clinics of Yazd in 2020. Calms Test and demographic characteristics questionnaire were used to collect the data. Data were analyzed using SPSS version 16 software, Pearson correlation coefficient, independent t-test and one-way analysis of variance. Results: Findings showed that there were significant positive relationship between emotional with social component and the age of students with stuttering (p