You're seriously in need of an education about the statistical nature of noise; this is one of many posts I've done on that topic. (realclimate.org)
And I see a lot of parents who are in need of some education about how to pack them! (easylunchboxes.com)
While technology proliferates in schools today, some is more useful than others and needs to be straightforward to use and offer clear benefits that solve a real problem, as well as being adaptable to an individual school or college and to the changing needs of the education sector. (qaeducation.co.uk)