Students must not be exploited

We should guard against students being exploited by their schools, says an article in Yangtze Evening Post. The following is an excerpt:

At a middle school in Yibin, Sichuan province, female students clad only in summer uniforms on a cold day, were recently made stand on the playground to welcome the school's superiors.

After this incident was exposed on the Internet, the school told the media it did not force the students, they did it voluntarily. The students were also provided with warm clothing.