Diagnostic assessments – what are they?

View all tags

Kate Henshall, Primary Maths Advisor at Trinity MAT, adds to our Role and Value of Assessments blog by reviewing diagnostic assessments.



  • Highlights gaps in knowledge
  • How stakes which could help where pupils have anxiety in other forms of assessment
  • Quality data provided
  • Can inform curriculum design
  • Provides a baseline
  • Easy to use
  • Informal
  • Instant feedback could lead to the pupils learning from their misconception
  • Can help assess learning over a unit of work 
  • Time consuming – administer and analyse (though there are various websites/apps which can support with this)
  • Can be hard to design/require strong subject knowledge
  • May overstate the pupil’s understanding if they have had a 'lucky guess'