- The higher the level of education, the higher the salary cost of teachers per student. In Belgium (Flemish Community), France and Spain, the difference in the annual salary cost between the primary and upper secondary levels of education exceeds USD 1 800 in 2010.
- Between 2000 and 2010, the salary cost of teachers per student increased in nearly all countries at the primary and lower secondary levels of education and, on average, by one-third and one quarter respectively.
- Changes over time in the level of salary cost of teachers are mainly driven by teachers’ salaries; class size is the second main driver.
- Similar levels of expenditure among countries can mask a variety of contrasting policy choices.
