Holy Rosary Primary school has 24 classes. This includes 3 classes of each grouping from Junior Infants to Sixth Class.
Class Teachers and their room numbers:
| Teacher 2022-2023 | Room No | |
| Junior Infants | Ms. Nolan | Room 1 |
| Ms. McCabe | Room 2 | |
| Ms. Duffy | Room 3 | |
| Senior Infants | Ms. Williams/Ms. Cronin | Room 4 |
| Ms. Morgan | Room 5 | |
| Ms. Quealy | Room 6 | |
| 1st Class | Ms. Kavanagh/Ms. Priestley | Room 7 |
| Ms. Ffrench | Room 9 | |
| Ms. Millar | Room 10 | |
| 2nd Class | Ms. Bainton | Room 24 |
| Ms. McDermott | Room 23 | |
| Ms. Hennessy | Room 22 | |
| 3rd Class | Ms. Carthy | Room 25 |
| Ms. Cross | Room 26 | |
| Mr. Hayes | Room 27 | |
| 4th Class | Ms. Reidy | Room 28 |
| Mr. O’Kelly | Room 20 | |
| Mr. Carthy | Room 19 | |
| 5th Class | Ms. Mulcahy | Room 30 |
| Ms. Keane | Room 29 | |
| Ms. Thornton | Room 33 | |
| 6th Class | Mr. Palcic | Room 32 |
| Ms. Naughton | Room 12 | |
| Ms. O’Kelly/Ms. Hansford | Room 31 |