(1) I read the article through, twice, and I'll have to ask you to please indicate where it says "the teachers claim that the kids are they're [sic] life".
(2) You might also give some consideration to the differences between the words "there" (adverb), "their" (possessive adjective), and "they're" (contraction).
(3) "Once again the almighty green back trumped human life." No, it didn't. There were no human lives lost due to the teachers' action nor were they even in danger of being lost if other adults hadn't volunteered.