Teacher Zu Fengguo gives psychological class to pupils at a primary school in Lhasa, capital of southwest China's Tibet Autonomous Region, Nov. 29, 2017. Education quality of the region has seen great improvement since a program, in which excellent teachers from other places support the region through education, was launched in 2016. (Xinhua/Zhang Rufeng)

Pupils take part in an experiment under the direction of teacher Xing Yue from north China's Shaanxi at a primary school in Lhasa, capital of southwest China's Tibet Autonomous Region, Nov. 29, 2017. Education quality of the region has seen great improvement since a program, in which excellent teachers from other places support the region through education, was launched in 2016. (Xinhua/Zhang Rufeng)

Teacher Wei Xiaodong from north China's Tianjin gives a writing class to pupils at a primary school in Lhasa, capital of southwest China's Tibet Autonomous Region, Nov. 29, 2017. Education quality of the region has seen great improvement since a program, in which excellent teachers from other places support the region through education, was launched in 2016. (Xinhua/Zhang Rufeng)

Teacher Sun Wei from China's capital Beijing guides pupils practise calligraphy at a primary school in Lhasa, capital of southwest China's Tibet Autonomous Region, Nov. 29, 2017. Education quality of the region has seen great improvement since a program, in which excellent teachers from other places support the region through education, was launched in 2016. (Xinhua/Zhang Rufeng)

Teacher Zu Fengguo from north China's Tianjin gives a math class to pupils at a primary school in Lhasa, capital of southwest China's Tibet Autonomous Region, Nov. 29, 2017. Education quality of the region has seen great improvement since a program, in which excellent teachers from other places support the region through education, was launched in 2016. (Xinhua/Zhang Rufeng)