The Self-Compassion Scale for Youth (SCS-Y) is a measure of self-compassion for adolescents aged 10–15. Its structure is based on the Self-Compassion Scale (SCS) for adults. Exploratory structural equation modeling suggests that the SCS-Y represents a bifactor structure identified by a general self-compassion factor and six specific factors: increased self-kindness, common humanity, and mindfulness, as well as reduced self-judgment, isolation, and over-identification. Across four studies, the SCS-Y exhibited high internal reliability. Cronbach’s alpha coefficients, McDonald’s model-based composite reliability, and omega coefficients for the SCS-Y suggest that the use of a total score or six subscales’ scores is warranted. Construct validity of the SCS-Y was established by associations between the SCS-Y and functionally related constructs such as resilience and depression in the expected direction. Levels of self-compassion did not differ by age in the samples of 10–15-year-olds. While three studies did not find sex differences in the level of self-compassion, one study found that adolescent boys were higher in total self-compassion compared to adolescent girls. Overall, these results provide evidence for the psychometric validity of the SCS-Y.