One year after the start of the pandemic, each child and adolescent globally has lost seventy-four days of education: more than a third of the school year. One hundred and twelve billion days of education lost, especially among the world’s poorest children (UNESCO and Center for Global…

The strong limitations to teaching due to the COVID-19 pandemic raise fears that in the school there may be a loss of learning in all school grades. The learning loss, which occurs in periods of prolonged interruption from lessons, cannot currently be calculated exactly. The lack of INVALSI data for…