On September 26, 309 teachers in Nandan County, Guangxi, were included in a "teaching ability foundation training class", suspected of being screened by performance rankings and participating at their own expense. The county education bureau denied the performance-based screening, and a special investigation team was established by the county on the 27th.[Education Rights Protection][教师维权][coercion in education][南丹县][南丹县教育局]