To Chew or not to Chew

Should we chew gum in school?. Chewing gum helps you concentrate in school, this means that you could do better in school, but if it helps you then why are school still not considering allowing students to chew gum?. Based on studies if students chew gum they got better scores on their final exam. Chewing gum can help you get better grades in school yet schools dont want you to chew it.
Schools should reconsider the idea of chewing gum in school. Students would do better in school if they allowed gum and students would concentrate more. Teachers should support the idea of allowing gum in school but most teachers are against allowing gum in school.