| Alexandra College, Dublin 6* | €7,241 | 2% | 562562 | 3232 |
| Bandon Grammar School, Co. Cork* | €3,215 | 2% | 675675 | 1515 |
| Belvedere College, Dublin 1 | €5,690 | 3% | 1,0141014 | 33 |
| Blackrock College, Co. Dublin* | €6,900 | — | 1,0271027 | 1313 |
| Castleknock College, Dublin 15 | €6,116 | 5% | 644**644** | -- |
| Catholic University School, Dublin 2 | €5,200 | No change | 503503 | 3434 |
| Christian Brothers College, Cork | €4,050 | 4% | 908908 | 55 |
| Christian Brothers College, Monkstown, Co. Dublin | €4,380 | No change | 472472 | 2222 |
| Cistercian College, Roscrea, Co. Offaly* | €6,950 (5-day boarding introduced in 2017/18) | -- | 174174 | 11 |
| Clongowes Wood College, Co. Kildare* | €19,500 (7-day boarding) | 5% | 450450 | 1616 |
| Drogheda Grammar School, Co. Louth | €3,690 | 3% | 305305 | 22 |
| Dundalk Grammar School, Co. Louth | €3,459 | 2% | 572572 | 1212 |
| Glenstal Abbey, Co. Limerick* | €11,550 (5-day boarding) | 12% | 253253 | 77 |
| Gonzaga College, Dublin 6 | €6,015 | No change | 552552 | -- |
| Holy Child School, Killiney, Co. Dublin | €5,950 | 1% | 350350 | -18-18 |
| John Scottus School, Dublin 4 | €4,300 | -22% | 131131 | 66 |
| Loreto Abbey Dalkey, Co. Dublin | €4,050 | 4.90% | 620620 | -7-7 |
| Loreto High School, Beaufort, Dublin 14 | €3,900 | 5.40% | 636636 | -1-1 |
| Loreto Foxrock, Dublin 18 | €4,075 | 3% | 560560 | -1-1 |
| Loreto St Stephen’s Green, Dublin 2 | €4,427 | 6% | 590590 | 1717 |
| Midleton College, Co. Cork* | €4,800 | No change | 410410 | -7-7 |
| Monaghan Collegiate School, Co. Monaghan | €3,070 | No change | 266266 | 1010 |
| Mount Anville, Dublin 14 | €5,680 | 2% | 674674 | 1212 |
| Mount Sackville, Dublin 20 | €4,500 | 5% | 680680 | 2626 |
| Newbridge College, Co. Kildare | €4,100 | No change | 884884 | 22 |
| Presentation College, Cork | €3,500 | No change | 716716 | 1111 |
| Rathdown School, Co. Dublin* | €6,950 | 1% | 306306 | 3131 |
| Rockbrook Park, Dublin 16 | €4,080 | null | 170170 | -2-2 |
| Rockwell College, Co. Tipperary* | €4,650 | 4.50% | 500500 | 2323 |
| Rosemont Park School, Co. Dublin | €4,800 | No change | 155155 | 1212 |
| Royal School Cavan, Co. Cavan* | €2,600 | No change | 288288 | 5353 |
| Sandford Park School, Dublin 6 | €7,150 | 2.50% | 350350 | 3131 |
| Scoil Mhuire, Cork | €3,600 | No change | 400400 | 1111 |
| Sligo Grammar School, Co. Sligo* | €3,180 | No change | 425425 | -27-27 |
| St. Andrew’s College, Blackrock, Co. Dublin | €6,720 | 1.95% | 995995 | 99 |
| St. Columba’s College, Dublin 16* | €8,000 | — | 320320 | 3232 |
| St. Gerard’s, Bray, Co. Wicklow | €7,150 | 1.40% | 545545 | 88 |
| St. Joseph of Cluny, Killiney, Co, Dublin | €4,650 | 3.30% | 310310 | -8-8 |
| St. Killian’s Deutsche Schule, Dublin 14 | €4,950 | 3% | 400400 | 2828 |
| St. Mary’s College, Dublin 6 | €5,250 | No change | 443**443** | -- |
| St. Michael’s College, Dublin 4 | €5,550 | 4% | 640640 | 44 |
| Stratford College, Dublin 6 | €4,150 | No change | 144144 | 2424 |
| Sutton Park School, Dublin 13 | €7,900 | No change | 350350 | 3030 |
| Terenure College, Dublin 6w | €5,100 | 3% | 682682 | -8-8 |
| The High School, Dublin 6 | €5,900 | 2% | 691**691** | -- |
| The King’s Hospital, Dublin 20 * | €6,895 | No change | 719**719** | -- |
| The Teresian School, Dublin 4 | €5,360 | 8% | 198198 | -7-7 |
| Villiers School, Limerick* | €3,720 | 3% | 600600 | 2323 |
| Wesley College, Dublin 16* | €6,250 | 2% | 932932 | 22 |
