Singapore: Top of the Class

101 East goes inside Singapore's schools to find out why the nation's students top the global leader board.

Singapore's education system is renowned for creating the world's smartest students.

It is the envy of nations around the world, but what is the secret to its students' success?

Supporters point to a culture that values education and holds teachers in high esteem.

But it is a high-stakes game - only the top students make it into the best schools.

Twelve-year-old Xuan is preparing for a national exam that will determine which secondary school he attends.