Teaching and Learning / Education / Teaching English as a Second Language / Teacher Education / Learning and Teaching / Applied Linguistics / Pedagogy / Teaching English As A Foreign Language / Teachers' professional development / Beliefs / Adolescence (Psychology) / Educación / Psicología / Adolescents / Ensino Médio / Pedagogia / Ensino De Línguas Estrangeiras / Curriculum Escolar / Applied Linguistics / Pedagogy / Teaching English As A Foreign Language / Teachers' professional development / Beliefs / Adolescence (Psychology) / Educación / Psicología / Adolescents / Ensino Médio / Pedagogia / Ensino De Línguas Estrangeiras / Curriculum Escolar