| Value |
Category |
| 10 |
None |
| 20 |
Nursery school |
| 21 |
1st grade |
| 22 |
2nd grade |
| 23 |
3rd grade |
| 24 |
4th grade |
| 25 |
5th grade |
| 26 |
6th grade or certificate of primary studies |
| 30 |
7th grade (Brevet first year) |
| 31 |
8th grade (Brevet second year) |
| 32 |
9th grade (Brevet third year) |
| 33 |
10th grade (Brevet superior first year ) |
| 34 |
11th grade (Brevet superior second year) |
| 35 |
Baccalaureate part 1 (rhéto) |
| 36 |
Baccalaureate part 2 (philo) |
| 40 |
1st year at teaching school (normal primaire) |
| 41 |
2nd year at teaching school (normal primaire) |
| 42 |
3rd year at teaching school (normal primaire) |
| 50 |
University preparation or 1st year |
| 51 |
University 2nd year |
| 52 |
University 3rd year |
| 53 |
University 4th year or more |
| 60 |
Technical first year |
| 61 |
Technical 2nd year |
| 62 |
Technical 3rd year |
| 63 |
Technical 4th year or more |
| 98 |
Unknown |
| 99 |
NIU (not in universe) |
Warning: these figures indicate the number of cases found in the data file. They cannot be interpreted as summary statistics of the population of interest.