There was a radio at the international high school's security office that could be connected to the school's broadcast station. It could be used to inform the students or call for help.
Usually, if the parents of the students came to look for them, the security guard would make the announcement at the end of the class so that the students could meet their families through the railings.
However, because the students of this international high school did not care about certain school rules, everyone did things like going to school with their phones. As long as they were not going too overboard, the teachers turned a blind eye to it. Therefore, it had been a long time since they had made such an announcement.
At the door guard's office.
The guard was hurriedly speaking to Xiang Huai. "What's wrong with you? Didn't I tell you earlier? You can make your announcement after they're done exercising! Why couldn't you wait?"