How should I choose a marking scale for my curriculum?

How should I choose a marking scale?

Your marking scale will be used to show how well your students have understood each curriculum statement.

Some schools only want to use two marks in their marking scale, for example: ‘met’ and ‘not met’.  Other schools use three marks, for example: ‘Emerging’,  ‘Developing’,  ‘Secure’. You can pick however many grades is right for your assessment policy, however it is important to bear in mind:

  • The more marks you have in your marking scale the harder it is for teachers to distinguish between two marks, and therefore the less accurate your data.
  • In order to show progress over time in subjects such as reading and writing, where students are unlikely to master statements at their first teaching, you should include intermediate ‘working towards’ marks.
  • It should be clear to teachers when to award each mark, be that by their definition (e.g. ‘Can do with help’ or  ‘Can do alone’) or by providing exemplars

The percentage that each mark is related to allow arbor to provide you with analysis of the progress students make over time.

The top mark in your marking scale should represent ‘100% mastered’ and have the value 100. How you spread the rest of the marks in your marking scale is up to you. Most schools spread them evenly.

 

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