The new High School in the brazilian context: Perspectives and reflections of school performance in the subjects of Portuguese and Mathematics . Research, Society and Development, [S. l.], v. 10, n. 6, p. e16810615614, 2021. DOI: 10.33448/rsd-v10i6.15614. Disponível em: https://rsdjournal.org/rsd/article/view/15614. Acesso em: 5 dec. 2025.