After straightforward wins over Yan Bai and Jeremy Chardy, Tsonga looked like he would provide Murray with his first serious test in Shanghai, but the Frenchman was never in the contest.

BBC: Andy Murray beats Jo-Wilfried Tsonga in Shanghai

The latest test scores show Chinese math students in Shanghai far ahead of Americans.

FORBES: China And India Eat Our Lunch Because They're Smart And Ambitious

Chinese students from Shanghai and 11 other regions did very well in the 2009 PISA TEST.

FORBES: China's Achilles Heel: Education System

Xia Liping from Shanghai Institute for International Studies says Kim may be using the nuclear test for domestic political consideration.

NPR: North Korea Test Aimed at Internal Audience?

This year there was no test of memorised basic knowledge in the Chinese language exam in Shanghai - only reading comprehension and creative writing.

BBC: China's educational elite