This research, titled "Ardora in the development of the 21st-century competence in the Science and Technology (S&T) area among second-grade students at the 'Santiago Antúnez de Mayolo' High School in Chachapoyas – 2023," aimed to demonstrate to what extent the Ardora software enhances the development of the 21st-century competence in the Science and Technology (S&T) area among second-grade high school students. The research employed a Quantitative research type under the Pre-experimental design, as it involved working with a single group. The study considered a population of 306 students, comprising 193 males and 113 females. A sample of 20 students was selected for the study, with 14 males and 5 females. The research began with a diagnostic phase using a Pre-test, which identified deficiencies in the development of the 21st-century competence in the Science and Technology area. The r...