Marginal gains. The stuff from which whole school INSET dreams are made. Interesting story? Check. Intuitively makes sense? Check. Seemingly applicable to the classroom? Check. Celebrating British success and ingenuity? Check (though the recent TUE controversy does throw some shade on things).
For those not aware, marginal gains is an approach popularised by Sir David Brailsford, a cycling coach who was in charge of the gold-medal machine that is Team GB’s cycling team and is still manager of Team Sky who won the Tour de France in 2012, 2013, 2015 and 2016. In Brailsford’s words:
“The whole principle [of marginal gains] came from the idea that if you broke down everything you could think of that goes into riding a bike, and then improved it by 1%, you will get a significant increase when you put them all together”.
By making lots of small improvements, tweaks and changes in a range of previously unconventional…
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