in elementary and middle schools Even the people who are collecting trash or sweeping the streets can teach maths and physics in elementary and middle schools It is really not that hard to teach math or physics in elementary and middle school A football, basketball, volleyball, tennis coach absolutely can teach kids math and physics. Because these coaches are very street smart and kids likes them so much these coaches may be very possible to be a very good math and physics teaches
Think of about it . Who taught us math and physics when we are in elementary and middle school. It is really not a bid who teach the math or physics. Math and physics is just commen sense daily life . Everyone can teach it. For instance every one knows 1+1=2 and ice will become water when you put ice into hot wok