There was a kid in my primary school who did NO homework for about 2 years, despite all the times he got detention, calls home, letters, etc. He would always just say "I can't find my diary" (where our homework was recorded) and at the end of the last day of primary school he gave the teacher a pile of all his "lost" (and empty) diaries and all the letters the school had sent home and just walked out.
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