Frade-Martínez, C., Gamazo, A., Olmos-Migueláñez, S. and Pocinho, R. 2025. School effectiveness in Portugal. Comparing factors associated with school effectiveness using PISA 2015 and 2018 data. Portuguese Journal of Education. 38, 1 (Mar. 2025), e25009. DOI:https://doi.org/10.21814/rpe.33811.