| Value | Category |
|---|---|
| -9 | Don't know |
| 1 | No estudió |
| 2 | Primaria incompleta |
| 3 | Primaria completa |
| 4 | Secundaria incompleta |
| 5 | Secundaria completa |
| 6 | Carrera comercial |
| 7 | Carreta técnica |
| 8 | Preparatoria incompleta |
| 9 | Preparatoria completa |
| 10 | Educación superior completa |
| 11 | Educación superior incompleta |
| 12 | Maestrías /Diplomados |
| 13 | Doctorados |
| Sysmiss |