Special thanks
  • Emma Morgan (@em0rgan) for the inter school idea
  • Lucy Mitchell (@mitchmaths) for system testing and support
  • Kayleigh Sharpe and Angel Ong for website testing
  • Garden International School teachers for support and publicity during its creation
  • Dave Sharpe for puzzle testing and puzzle ideas
  • Natalie Clark (@msclark0), Kerry Conlan (@kerryl80) and Kate Egan for ideas for the teacher resources on the teachers page
  • All the teachers around the world who run the puzzle at their school
Website and logo design
  • Andrew Sharpe
Puzzle creation
  • Andrew Sharpe
  • Uncredited Ilkley Grammar School puzzle document
  • Odd Addition puzzle inspired by Transum
Credits for images used

All the icons listed below are from the Noun Project website and are used under a Creative Commons Attribution License
  • Schools icon by 'Made Somewhere'
  • Students and Library icons by 'Rockicon'
  • Teacher icon by 'Musavvir Ahmed'
  • Globe icon by 'iconsphere'
  • Credits icon by 'Takashi Kondo'
  • Previous competitions icon by 'icongeek'
  • Puzzle icon by 'Alena Artemova'
  • Age icon by 'Gan Khoon lay' (edited)
  • Names icon by 'Thesaurustool'
  • Podium icon by 'pictohaven'
  • Trophy icon by 'asianson.design'
  • Information icon by 'Starter Icons Collection' (edited)
  • Check by 'IconsGhost' (edited)
  • Answer Email by 'Amiryshakiel'
  • Calendar by 'Mello'
  • Student Email by 'Hector M' (edited)
  • Backpack by 'Lynn Chang'
  • Notebooks by 'Made by Made'
  • School by 'Made'
  • Medal by 'useicon.com' (edited)
  • Coding Machine by 'Artem Kovyazin' (edited)
Scoring, marking and feedback system design
  • Andrew Sharpe