South Harrison School banning masks

In the small town of bethany mo, the school bored has agreed to ban mask. In late november a news channel visits bethany mo, and they say ” some staff choses to where mask and others don’t. To stop the spread of covid-19 more than half the contry wears masks in public settings, but at south harrison high school there has been many less covid-19 cases. This suprises the bethany mo, health department. Fox 4 News says there going to visit there next. Are masks really working?? thats a question we all have!