PEDUC							     ISCED97	   LIS recode

  1  not graduated school							1
  2  primary education (1-4 classes)						1
  3  secondary education (5-8 classes)						1
  4  professional stud., vocational training or apprenticeship			2
  5  first level of high school (9-10 classes)					1
  6  highschool (9-12 classes)							2
  7  post-sec. specialized ed. or technical training for formen			2
  8  short and long term university education					3

REMARK about recoding :
Even though the country expert adviced us to put code 5 to medium, 
 LIS decided to place it in low for international comparability.