Barbetta, Gian Paolo; Chuard, Patrick; Sorrenti, Giuseppe; … - 2022
This paper studies the effect of multigrading-mixing children of different ages in the same classroom-on students … longitudinal data that follow a cohort of Italian students over their compulsory school career, we show that multigrading has a … positive short-term effect on achievements. This effect fades away over time to become negative in the long run if students …