Effectiveness re-trial


As one of the Education Endowment Foundation’s ‘promising projects’, TDTS is currently the focus of a national effectiveness re-trial from 2021-24, which aims to see how the positive impact of the TDTS approach can be maintained at scale via a train-the-trainer programme.
The main trial will take place during the 2022-23 academic year in the following regions in England:

  • South West
  • Lancashire
  • Staffordshire / West Midlands
  • North East
  • Yorkshire
  • Lincolnshire / East Midlands

For more information about the trial, please see the documents below. If your school is interested in taking part, please download and complete the Expression of Interest Form and return to tdts@scienceoxford.com

You can find also find out more about taking part by watching our presentation for schools here.




  • Recruitment brochure for schools 
  • Expression of Interest Form 
  • School Information Sheet   
  • Memorandum of Understanding for schools    

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