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Education for all!
Teachers’ time is a critical resource for education systems and a key input for student learning. Like any type of resource, teachers’ time can be used more or less effectively to promote a range of outcomes from student performance to equity. Whether teachers are given an additional hour in the classroom, an hour to prepare their lessons or an hour to engage in professional learning can affect both the cost and the quality of education.
Lern more on the OECD page