| Value | Category |
|---|---|
| 1 | Grade I |
| 2 | Grade II |
| 3 | Grade III |
| 4 | Grade IV |
| 5 | Grade V |
| 6 | Grade VI |
| 7 | Elementary Graduate |
| 8 | 1st Year High School |
| 9 | 2nd Year High School |
| 10 | 3rd Year High School |
| 11 | 4th Year High School |
| 12 | High School Graduate |
| 13 | 1st Year College |
| 14 | 2nd Year College |
| 15 | 3rd Year College |
| 16 | 4th Year College |
| 17 | College Graduate |
| 18 | Vocational |
| 19 | Post Graduate |
| 20 | Pre-School/Day Care |
| 21 | No Schooling (6 years or older) |
| 22 | No Schooling (younger 6 yrs.) |