Below are the 2019 high school rankings across NSW based on HSC results.
NSW schools are ranked according to their ‘success rate’ which is the ratio of Band 6 (or E4) to student entries.
| School | 2019 Rank | 2018 Rank | High Scores | Entries | 2019 Success Rate |
| James Ruse Agricultural High School | 1 | 1 | 717 | 985 | 72.79% |
| Conservatorium High School | 2 | Not in top 100 | 150 | 217 | 69.12% |
| North Sydney Boys High School | 3 | 2 | 612 | 976 | 62.70% |
| Sydney Grammar School | 4 | 3 | 714 | 1165 | 61.29% |
| Hornsby Girls High School | 5 | 8 | 397 | 698 | 56.88% |
| Sydney Girls High School | 6 | 4 | 561 | 994 | 56.44% |
| North Sydney Girls High School | 7 | 6 | 506 | 925 | 54.70% |
| Reddam House School | 8 | 9 | 297 | 558 | 53.23% |
| Baulkham Hills High School | 9 | 5 | 647 | 1216 | 53.21% |
| Sydney Boys High School | 10 | 7 | 640 | 1244 | 51.45% |
| Normanhurst Boys High School | 11 | 16 | 391 | 779 | 50.19% |
| Abbotsleigh | 12 | 11 | 420 | 921 | 45.60% |
| Northern Beaches Secondary College Manly Campus | 13 | 10 | 343 | 789 | 43.47% |
| Meriden School | 14 | 12 | 338 | 789 | 42.84% |
| Kambala | 15 | 14 | 192 | 449 | 42.76% |
| SCEGGS Darlinghurst | 16 | 25 | 270 | 662 | 40.79% |
| St Catherine’s School | 17 | 28 | 240 | 597 | 40.20% |
| Loreto Kirribilli | 18 | 39 | 312 | 792 | 39.39% |
| Fort Street High School | 19 | 15 | 341 | 879 | 38.79% |
| Presbyterian Ladies’ College Sydney | 20 | 17 | 310 | 801 | 38.70% |
| Girraween High School | 21 | 20 | 313 | 816 | 38.36% |
| Knox Grammar School | 22 | 23 | 720 | 1886 | 38.18% |
| AI-Faisal College | 23 | 26 | 212 | 565 | 37.52% |
| Ascham School | 24 | 18 | 233 | 629 | 37.04% |
| Wenona School | 25 | 13 | 237 | 647 | 36.63% |
| Hurlstone Agricultural High School | 26 | 31 | 298 | 840 | 35.48% |
| Loreto Normanhurst | 27 | 46 | 309 | 902 | 34.26% |
| St Luke’s Grammar School | 28 | 34 | 198 | 579 | 34.20% |
| Pymble Ladies’ College | 29 | 21 | 518 | 1532 | 33.81% |
| Cranbrook School | 30 | 33 | 288 | 892 | 32.29% |
| Queenwood School for Girls | 31 | 29 | 129 | 400 | 32.25% |
| St George Girls High School | 32 | 19 | 305 | 953 | 32.00% |
| AI Noori Muslim School | 33 | 42 | 119 | 376 | 31.65% |
| Danebank – An Anglican School For Girls | 34 | 60 | 165 | 530 | 31.13% |
| Masada College | 35 | 52 | 91 | 295 | 30.85% |
| Kincoppal – Rose Bay School of the Sacred Heart | 36 | 44 | 179 | 583 | 30.70% |
| SHORE – Sydney Church of England Grammar School | 37 | 22 | 340 | 1115 | 30.49% |
| Moriah College | 38 | 32 | 221 | 726 | 30.44% |
| Smiths Hill High School | 39 | 49 | 212 | 710 | 29.86% |
| Sydney Technical High School | 40 | 24 | 260 | 875 | 29.71% |
| Emanuel School | 41 | 45 | 124 | 418 | 29.67% |
| St Aloysius’ College | 42 | 37 | 272 | 917 | 29.66% |
| Tara Anglican School for Girls | 43 | 48 | 120 | 405 | 29.63% |
| Roseville College | 44 | 36 | 176 | 569 | 29.53% |
| Penrith High School | 45 | 27 | 270 | 920 | 29.35% |
| Frensham School | 46 | 55 | 103 | 351 | 29.34% |
| Santa Sabina College | 47 | 30 | 184 | 632 | 29.11% |
| Caringbah High School | 48 | 40 | 254 | 873 | 29.10% |
| Merewether High School | 49 | 59 | 313 | 1087 | 28.79% |
| Brigidine College St Ives | 50 | 57 | 214 | 764 | 28.01% |
| Oxley College | 51 | 85 | 107 | 392 | 27.3% |
| Gosford High School | 52 | 58 | 263 | 977 | 27.3% |
| Monte Sant’ Angelo Mercy College | 53 | 47 | 263 | 977 | 26.92% |
| Ravenswood School for Girls | 54 | 54 | 163 | 607 | 26.85% |
| Newcastle Grammar School | 55 | 35 | 121 | 451 | 26.83% |
| Barker College | 56 | 51 | 517 | 1940 | 26.65% |
| Macarthur Anglican School | 57 | 72 | 94 | 364 | 25.82% |
| St Ignatius’ College | 58 | 61 | 346 | 1359 | 25.46% |
| St Vincent’s College | 59 | 130 | 157 | 617 | 25.45% |
| International Grammar School | 60 | 101 | 134 | 555 | 24.24% |
| The Scots College | 61 | 53 | 258 | 1086 | 23.76% |
| The King’s School | 62 | 41 | 233 | 1001 | 23.28% |
| MLC School | 63 | 43 | 96 | 414 | 23.19% |
| Brigidine College Randwick | 64 | 107 | 152 | 662 | 23.11% |
| Chatswood High School | 65 | 76 | 264 | 1182 | 22.34% |
| St Ursula’s College | 66 | 84 | 201 | 930 | 21.61% |
| Willoughby Girls High School | 67 | 50 | 191 | 884 | 21.61% |
| Alpha Omega Senior College | 68 | 38 | 102 | 474 | 21.52% |
| St Mark’s Coptic Orthodox College | 69 | 78 | 81 | 386 | 20.98% |
| Northern Beaches Secondary College Balgowlah Boys Campus | 70 | 62 | 60 | 286 | 20.98% |
| St Patrick’s College | 71 | 93 | 213 | 1036 | 20.56% |
| Bethany College | 72 | 95 | 169 | 844 | 20.02% |
| The McDonald College | 73 | 224 | 34 | 170 | 20.00% |
| Mount St Benedict College | 74 | 67 | 153 | 781 | 19.59% |
| Sefton High School | 75 | 73 | 175 | 905 | 19.34% |
| St Andrew’s Cathedral School | 76 | 138 | 116 | 604 | 19.21% |
| Stella Maris College | 77 | 151 | 127 | 663 | 19.16% |
| St Augustine’s College Sydney | 78 | 65 | 170 | 893 | 19.04% |
| Killarney Heights High School | 79 | 87 | 117 | 615 | 19.02% |
| Cheltenham Girls High School | 80 | 63 | 207 | 1089 | 19.01% |
| PLC Armidale | 81 | Out of 150 | 39 | 208 | 18.75% |
| St Mary’s Cathedral College | 82 | 90 | 99 | 529 | 18.71% |
| Parramatta Marist High School | 83 | 64 | 148 | 791 | 18.71% |
| The Hills Grammar School | 84 | 91 | 80 | 434 | 18.43% |
| Pittwater House Schools | 85 | 197 | 76 | 414 | 18.36% |
| St Ives High School | 86 | 113 | 123 | 672 | 18.30% |
| Marist College Kogarah | 87 | 127 | 111 | 612 | 18.14% |
| Cherrybrook Technology High School | 88 | 81 | 292 | 1636 | 17.85% |
| Castle Hill High School | 89 | 83 | 211 | 1200 | 17.58% |
| Killara High School | 90 | 68 | 251 | 1435 | 17.49% |
| NBSC Mackellar Girls School | 91 | 99 | 135 | 775 | 17.42% |
| Oxford Falls Grammar School | 92 | 103 | 68 | 399 | 17.04% |
| Pacific Hills Christian School | 93 | Out of 150 | 102 | 600 | 17.00% |
| St Euphemia College | 94 | Out of 150 | 43 | 255 | 16.86% |
| St Clare’s College | 95 | 77 | 61 | 362 | 16.85% |
| Strathfield Girls High School | 96 | 86 | 149 | 885 | 16.84% |
| St Spyridon College | 97 | 71 | 64 | 381 | 16.80% |
| William Clarke College | 98 | 128 | 147 | 882 | 16.67% |
| Mercy Catholic College - Chatswood | 99 | 140 | 82 | 494 | 16.60% |
| Central Coast Grammar School | 100 | 56 | 100 | 604 | 16.56% |
