New Curriculum Standards Volume 1

Provinces used before 20 15: Henan, Hebei, Shanxi, Shaanxi (language and comprehensive), Hubei (comprehensive), Jiangxi (comprehensive) and Hunan (comprehensive)

20 15 provinces with increased usage: Jiangxi (Chinese, Mathematics, English) and Shandong (English)

20 16 Increased use of provinces: Hubei (Chinese, Mathematics, English), Guangdong, Shaanxi (Mathematics), Fujian, Anhui, Sichuan, Shandong (Comprehensive).

New Curriculum Standards Volume II

Guizhou Gansu Guangxi Qinghai Tibet Heilongjiang Jilin Ningxia Inner Mongolia Xinjiang Yunnan Liaoning (Comprehensive) Hainan (Chinese Mathematical English)

20 15 Add province: Liaoning (Chinese, Mathematics, English)