"I think my situation is indicative of the majority of urban schools. "
That's just it, you think, you don't know. My experience has been just the opposite. The libby contact has been minimal.
Where do you teach? If it's one of the big three above me then that's a valid sampling. But if it's a smaller or rural district then your sample is not significant. Look at the curriculums for the big districts! DANG...rife with UN globalism. The International Bacchalaureate Program is literally a creation of the UN. Designed to further UN goals in our brightest kids. Look at the antigun curriculum programs. Brady Bunch start to finish....and worse. Look at the textbooks that have been adopted for American History and American Government. Tell me the stance on the Second Amendment? I think you can't see the forest for the trees.