Final answer:
The provided information does not directly answer the question about the rank required to be on the Leader track, but it suggests that high academic achievement and leadership qualities are likely necessary.
Step-by-step explanation:
The question asks about the rank that students had to achieve in order to be on the Leader track. Unfortunately, the provided information does not directly answer this question. However, it does mention that nations and city-states at the top of the rankings in education have clear goals for all students and recruit teachers from the top university graduates. This suggests that students aiming for the Leader track would likely need to have high academic achievements and demonstrate leadership qualities.
Learn more about Rank requirements for the Leader track