| Answer | Crossword Clue |
|---|---|
| PRIME | Highest grade? |
| TWELFTH | Highest grade |
| APLUS | Highest grade |
| APLUS | Highest possible grade |
| FINEST | Of highest grade |
| BEST | Of the highest grade |
| DPLUS | Not the highest grade |
| ACED | Scored the highest grade |
| PRIME | Of the highest grade |
| SRS | Ones of the highest grade: Abbr. |
| SRS | They're of the highest grade, briefly |
| DUKE | Highest grade of the British peerage |
