An airplane can travel at a speed of 400kmph to 9000kmph.
Brazil has recently gone through changes in school grades. Currently, at the age of 6 children attend from the grade 1 to 4 what is called Ensino PrimÃ¡rio (Portuguese for Primary Teaching, or Primary School), and afterwards from grade 5 to 9 the Ensino Fundamental (Fundamental Teaching/School).
These figures tell you about performance of pupils at this school at key stage 4(opens a popup) (school years 10 and 11), which are the last two years of the secondary phase of education. These figures were published in January 2017 and relate to pupils who completed key stage 4 in the summer of 2016. Progress 8 score.