Ability grouping? I wish!
No, they make an effort to spread the high and low achievers out between classes.
So let me be sure I understand. It doesn't matter how long a teacher has been teaching--a 5-year teacher will have the same chance of having had a top 10 student in her class as a 25-year teacher? And the chance of having two of the top 10 students in a class would be 1 in 25, the chance of having 3 in a class would be 1 in 125 (though in reality, it probably wouldn't happen at all because of aforementioned spreading)?
