| 151 | Kingscliff High School | Kingscliff | Mathematics Advanced | 1 |
| 152 | Kingsgrove North High School | Kingsgrove | Mathematics Advanced | 1 |
| 153 | Kingswood High School | Kingswood | Mathematics Advanced | 1 |
| 154 | Kinross Wolaroi School | Orange | Mathematics Advanced | 1 |
| 155 | Kirrawee High School | Kirrawee | Mathematics Advanced | 2 |
| 156 | Knox Grammar School | Wahroonga | Mathematics Advanced | 88 |
| 157 | Ku-ring-gai High School | North Turramurra | Mathematics Advanced | 4 |
| 158 | La Salle Catholic College | Bankstown | Mathematics Advanced | 2 |
| 159 | Lake Illawarra High School | Lake Illawarra | Mathematics Advanced | 1 |
| 160 | Lakes Grammar An Anglican School | Warnervale | Mathematics Advanced | 1 |
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| 161 | Lambton High School | Lambton | Mathematics Advanced | 1 |
| 162 | Lindisfarne Anglican School | Terranora | Mathematics Advanced | 6 |
| 163 | Loreto Kirribilli | Kirribilli | Mathematics Advanced | 23 |
| 164 | Loreto Normanhurst | Normanhurst | Mathematics Advanced | 6 |
| 165 | Lumen Christi Catholic College | Pambula Beach | Mathematics Advanced | 2 |
| 166 | Macarthur Adventist College | Macquarie Fields | Mathematics Advanced | 1 |
| 167 | Macarthur Anglican School | Cobbitty | Mathematics Advanced | 4 |
| 168 | Macarthur Girls High School | Parramatta | Mathematics Advanced | 5 |
| 169 | MacKillop College Port Macquarie | Port Macquarie | Mathematics Advanced | 5 |
| 170 | Macksville High School | Macksville | Mathematics Advanced | 1 |
| 171 | Maclean High School | Maclean | Mathematics Advanced | 1 |
| 172 | Macquarie Anglican Grammar School | Dubbo | Mathematics Advanced | 2 |
| 173 | Macquarie Fields High School | Macquarie Fields | Mathematics Advanced | 19 |
| 174 | Magdalene Catholic College | Narellan | Mathematics Advanced | 1 |
| 175 | Malek Fahd Islamic School | Greenacre | Mathematics Advanced | 5 |
| 176 | Marcellin College | Randwick | Mathematics Advanced | 10 |
| 177 | Marian Catholic College Griffith | Griffith | Mathematics Advanced | 1 |
| 178 | Marian Catholic College Kenthurst | Kenthurst | Mathematics Advanced | 5 |
| 179 | Marist Catholic College North Shore | North Sydney | Mathematics Advanced | 14 |
| 180 | Marist Catholic College Penshurst | Mortdale | Mathematics Advanced | 14 |
| 181 | Marist College Eastwood | Eastwood | Mathematics Advanced | 13 |
| 182 | Marist College Kogarah | Bexley | Mathematics Advanced | 20 |
| 183 | Marist Sisters College Woolwich | Woolwich | Mathematics Advanced | 6 |
| 184 | Maronite College of the Holy Family | Harris Park | Mathematics Advanced | 4 |
| 185 | Marrickville High School | Marrickville | Mathematics Advanced | 1 |
| 186 | Masada College | St Ives | Mathematics Advanced | 3 |
| 187 | Mater Maria Catholic College | Warriewood | Mathematics Advanced | 4 |
| 188 | Matraville Sports High School | Chifley | Mathematics Advanced | 1 |
| 189 | McAuley Catholic College Tumut | Tumut | Mathematics Advanced | 1 |
| 190 | Menai High School | Menai | Mathematics Advanced | 2 |
| 191 | Mercy Catholic College | Chatswood | Mathematics Advanced | 4 |
| 192 | Merewether High School | Broadmeadow | Mathematics Advanced | 36 |
| 193 | Meriden School | Strathfield | Mathematics Advanced | 35 |
| 194 | Merrylands High School | Merrylands | Mathematics Advanced | 1 |
| 195 | Midcoast Christian College | Taree | Mathematics Advanced | 1 |
| 196 | MLC School | Burwood | Mathematics Advanced | 5 |
| 197 | Model Farms High School | Baulkham Hills | Mathematics Advanced | 8 |
| 198 | Monte Sant Angelo Mercy College | North Sydney | Mathematics Advanced | 15 |
| 199 | Montgrove College | Orchard Hills | Mathematics Advanced | 1 |
| 200 | Moorebank High School | Moorebank | Mathematics Advanced | 3 |