| Value | Category | 
|---|---|
| 1 | NURSERY SCHOOL | 
| 2 | PRESCHOOL | 
| 3 | INITIAL | 
| 4 | PRIMARY | 
| 5 | JUNIOR SECONDARY | 
| 6 | GYMNASIUM | 
| 7 | SECONDARY | 
| 8 | VOCATIONAL SECONDARY | 
| 9 | SPECIALIZED SECONDARY (arts,language,maths) | 
| 10 | SPECIAL SCHOOL (children with mental or physical disabilities) | 
| 11 | VOCATIONAL COLLEGE | 
| 12 | UNIVERSITY | 
| Sysmiss |