<p>The objective of the research was to obtain the psychometric properties of Oros' perfectionism scale (2003) in 917 Peruvian adolescents between 13 and 18 years old (ME=15,241, DE=1,020). We analyzed through AFE and AFC, it was evidenced better parsimony in the three-factor model with optimal adjustment indexes through the SEM method (S-Bχ2/gl = 0.51; CFI = .95, SRMR = .056, RMSEA [IC 90%] = .055 [0.049-0.061]), equivalence of measurement according to sex, evidence of reliability and evidence of convergent validity with the depression scale (EDARS) through network analysis.</p>