AUTHOR=Martins Natália , Palmeirão Cristina , Matias Alves José TITLE=Innovation in Portuguese schools: what is the grammar of its conceptualization? JOURNAL=Frontiers in Education VOLUME=10 YEAR=2025 URL=https://www.frontiersin.org/journals/education/articles/10.3389/feduc.2025.1476880 DOI=10.3389/feduc.2025.1476880 ISSN=2504-284X