School Level Code.
Valid School Level Codes are (see GetSchoolLevelList):
- Year 9 or equivalent ......... Scle_Code = 09,
- Completed Year 10 ............ Scle_Code = 10,
- Completed Year 11 ............ Scle_Code = 11,
- Completed Year 12 ............ Scle_Code = 12,
- Did not go to school ......... Scle_Code = 02,
- Year 8 or below .............. Scle_Code = 08.