As the jailkeeper said, "What this joint needs is a better class o' prisoner."
Let's quit blaming the struggling teachers. Did you know that teachers have homework? -- lots of it! On the job, a teacher is the sole interlocutor between the oligarchy and the sullen brats. Not an enviable position.
Most of the children in school don't want to be there, and they do their best to ruin it for those few who want to learn. The attitude is "dumb is cool, and smart kids are geeks." Forget about spelling -- football rules!
This idea may be coming from the moronic television shows that are so popular. I suppose this is the price we pay for Freedom of Speech, but it's a shame.