Dr. Maria Mertzani is a FAPERGS Researcher, coordinating the project Libras First (financed by FAPERGS) in the Language Department of the University of Santa Cruz do Sul, Rio Grande do Sul, Brazil. Her work is in the field of Applied Sign Linguistics, with a current focus on the study of sign languages as first languages at schools. Her latest publications refer to the study of the Sign Language Curriculum and Sign Language Literacy. Dr. Felipe Ven'ncio Barbosa is a Professor at the Linguistics Department of São Paulo University, São Paulo, Brazil. His research refers to the description and atypical production of sign languages. Since 2018, he has been investigating the construction of the Sign Language Curriculum, with a special focus on sign language metalinguistic knowledge at school.