Education at a Glance 2023
OECD Indicators
Education at a Glance is the authoritative source for information on the state of education around the world. It provides data on the structure, finances and performance of education systems across OECD countries and a number of accession and partner countries. More than 100 charts and tables in this publication – as well as links to much more available on the educational database – provide key information on the output of educational institutions; the impact of learning across countries; access, participation and progression in education; the financial resources invested in education; and teachers, the learning environment and the organisation of schools.
The 2023 edition includes a focus on vocational education and training (VET), examining participation in VET and the structure of VET programmes. This edition also includes a new chapter - Ensuring continued learning for Ukrainian refugees - which presents the results of an OECD 2023 survey that collected data on measures taken by OECD countries to integrate Ukrainian refugees into their education systems.
Which factors influence teachers’ salary cost?
The four factors determining salary costs per student affect the value in different ways. The impact of the first factor, teachers’ salaries, is direct: higher salaries lead to higher salary costs. The other three factors affect it by changing the number of teachers needed, assuming that the number of students enrolled is constant. If instruction time increases or teaching time decreases, more teachers must be hired to keep class sizes constant. Similarly, more teachers would be needed to reduce class sizes while keeping everything else constant. Although linked, theoretical class sizes do not directly reflect statutory class sizes (see Methodology section).
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