<jats:p><p>This paper analizes the psychometric properties of the Huebner’s SLSS in a sample of Chilean boys and girls. It was applied to 1096 students between 10 and 12 years old (M=11; SD= 0.89) who attended public, semiprivate and private schools in Santiago, Valparaíso and Concepción. Reliability analysis of internal consistency, exploratory factor analysis (EFA) and confirmatory factor analysis (CFA) were made. Results show an acceptable reliability in the internal consistency of the scale (α=.86); the factor analysis reveals two factors in the factor structure of the scale that correspond with life satisfaction and desire of change. The bi-factor solution of the model is discussed whereas it does not correspond to results in other investigations. This study reports results of the SLSS in child population and contributes to the use and development of assessment tools for social indicators that consider the self-report of subjective well-being in Chilean children.</p></jats:p>