School of Mathematics & Physics, University of Lincoln
Last year School of Mathematics and Physics of University of Lincoln organized Mathematics Challenge-2014 for school children. Evgeny Khukhro chaired the Competition Committee. In summer, a Physics Challenge was also organized. Both were very successful. These challenges will be organized every year. See the problems and solutions of the 2014 mathematics challenge here: LINC-112-A5-3 and Maths-Challenge14-sol, and the list of winners at https://lincolnmathsphys.wordpress.com/2015/02/13/winners-of-the-mathematics-challenge-2014/ .
Soon in November Mathematics Challenge 2015 will be launched.