Yes, you said "little research". I think you should have said 'remember to read carefully and proofread' rather than 'learn how to read', as I can clearly read. Now, as a former teacher, be sure to set a good example and spell check every one of your posts prior to or immediately after hitting the submit button.

One more thing — most teachers do know BS and they would agree that student performance is inversely proportional with class size, all other things held constant or accounted for. That's what research has shown.