The following list indicates how all exercises in FELINE and FELINX! are graded.
(Please note that our level numbers are not the same as English Key Stage numbers.)

• Level B
  (FELINX! only) Beginners/NVQ Level 1.
  
  
• Level 1
  Pre - GCSE, Standard grade, NVQ Level 2 and similar qualifications.
  
  
• Level 2
  GCSE, Standard grade, NVQ Level 2 and similar qualifications.
  
  
• Level 3
  AS/A Level, Higher, NVQ Level 3 and similar qualifications.
  
  

The nature of the exercises reflects the range of assessment styles used in public exams, and takes recent changes into account.

Sometimes exercises will be marked with a 'V' - this means they are particularly suitable for the relevant vocational courses.