ALIS:Average GCSE score - for ALIS baseline
Posted by on 06 July 2012 01:24 PM

 Average GCSE Scores are best calculated to two decimal points using either:

  • the old scale: A*=8, A=7, B=6, C=5, D=4, E=3, F=2, G=1, U=0 or
  • the new scale: A*=58, A=52, B=46, C=40, D=34, E=28, F=22, G=16, U=0

They should include only Full course GCSEs gained by the end of Key Stage 4.

  • Do not include other qualifications, such as Vocational courses, or GCSE results after KS4.
  • The Average GCSE baseline used for ALIS is not the same as the APS from your MIS.
  • The baseline will be too high if averaged from Capped Point Scores.

These would all be likely to make your predictions higher and, hence, your sixth-form Value-Added measure lower!