Prioritize the three causes (Dress, Attendance, Grades) and identify the most important reason why it received that priority by placing each of the digits 1 (highest), 2, and 3 (lowest) in the table, and only one number per column.
| Reason\Cause | Dress Policy | Attendance | Grades |
|---|---|---|---|
| Students | |||
| Parents | |||
| Faculty | |||
| Admin. | |||
| Principals | |||
| Results | |||
| Budget | |||
| D.Chairs | |||
| ????? |