A teacher and two students carry books to the classroom at Shiliang Primary School in Dayou Township of Nanchuan District in southwest China's Chongqing, Sept. 2, 2019. Shiliang Primary School, composed of 2 teachers and 17 students, ushered in new semester on Monday. Tan Xingli and Liang Chengping are respectively in charge of the teaching work for 8 first graders and 9 pre-school students. Small-sized schools are boosted in recent years in the district to guarantee fair and quality education. (Xinhua/Wang Quanchao)