| 151 | Kildare Catholic College | Wagga Wagga | Mathematics Extension 1 | 1 |
| 152 | Killara High School | Killara | Mathematics Extension 1 | 36 |
| 153 | Killarney Heights High School | Killarney Heights | Mathematics Extension 1 | 19 |
| 154 | Kincoppal Rose Bay School of the Sacred Heart | Vaucluse | Mathematics Extension 1 | 7 |
| 155 | Kingsgrove High School | Kingsgrove | Mathematics Extension 1 | 7 |
| 156 | Kingsgrove North High School | Kingsgrove | Mathematics Extension 1 | 3 |
| 157 | Kinross Wolaroi School | Orange | Mathematics Extension 1 | 4 |
| 158 | Kirrawee High School | Kirrawee | Mathematics Extension 1 | 4 |
| 159 | Knox Grammar School | Wahroonga | Mathematics Extension 1 | 31 |
| 160 | Kogarah High School | Kogarah | Mathematics Extension 1 | 7 |
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| 161 | Kooringal High School | Kooringal | Mathematics Extension 1 | 2 |
| 162 | Korowal School | Hazelbrook | Mathematics Extension 1 | 1 |
| 163 | Kotara High School | Adamstown | Mathematics Extension 1 | 1 |
| 164 | La Salle Catholic College | Bankstown | Mathematics Extension 1 | 6 |
| 165 | Lambton High School | Lambton | Mathematics Extension 1 | 1 |
| 166 | Leumeah High School | Leumeah | Mathematics Extension 1 | 1 |
| 167 | Lindisfarne Anglican School | Terranora | Mathematics Extension 1 | 1 |
| 168 | Lithgow High School | Lithgow | Mathematics Extension 1 | 1 |
| 169 | Liverpool Boys High School | Liverpool | Mathematics Extension 1 | 3 |
| 170 | Liverpool Girls High School | Liverpool | Mathematics Extension 1 | 2 |
| 171 | Loreto Kirribilli | Kirribilli | Mathematics Extension 1 | 14 |
| 172 | Loreto Normanhurst | Normanhurst | Mathematics Extension 1 | 10 |
| 173 | Loyola Senior High School | Mount Druitt | Mathematics Extension 1 | 2 |
| 174 | Lucas Heights Community School | Barden Ridge | Mathematics Extension 1 | 3 |
| 175 | Lumen Christi Catholic College | Pambula Beach | Mathematics Extension 1 | 2 |
| 176 | Macarthur Anglican School | Cobbitty | Mathematics Extension 1 | 5 |
| 177 | Macarthur Girls High School | Parramatta | Mathematics Extension 1 | 11 |
| 178 | MacKillop College Bathurst | Bathurst | Mathematics Extension 1 | 1 |
| 179 | MacKillop College Port Macquarie | Port Macquarie | Mathematics Extension 1 | 8 |
| 180 | Macksville High School | Macksville | Mathematics Extension 1 | 1 |
| 181 | Macquarie College | Wallsend | Mathematics Extension 1 | 2 |
| 182 | Macquarie Fields High School | Macquarie Fields | Mathematics Extension 1 | 17 |
| 183 | Macquarie Grammar School | Sydney | Mathematics Extension 1 | 1 |
| 184 | Maitland Christian School | Metford | Mathematics Extension 1 | 1 |
| 185 | Maitland Grossmann High School | East Maitland | Mathematics Extension 1 | 1 |
| 186 | Maitland High School | East Maitland | Mathematics Extension 1 | 1 |
| 187 | Malek Fahd Islamic School | Greenacre | Mathematics Extension 1 | 24 |
| 188 | Marcellin College | Randwick | Mathematics Extension 1 | 7 |
| 189 | Marian Catholic College | ? | Mathematics Extension 1 | 3 |
| 190 | Marist College Eastwood | Eastwood | Mathematics Extension 1 | 3 |
| 191 | Marist College Kogarah | Bexley | Mathematics Extension 1 | 7 |
| 192 | Marist College North Shore | North Sydney | Mathematics Extension 1 | 6 |
| 193 | Marist Sisters College Woolwich | Woolwich | Mathematics Extension 1 | 1 |
| 194 | Marrickville High School | Marrickville | Mathematics Extension 1 | 2 |
| 195 | Marsden High School | Meadowbank | Mathematics Extension 1 | 8 |
| 196 | Mary MacKillop College | Wakeley | Mathematics Extension 1 | 4 |
| 197 | Masada College | St Ives | Mathematics Extension 1 | 9 |
| 198 | Mater Maria Catholic College | Warriewood | Mathematics Extension 1 | 3 |
| 199 | McCarthy Catholic College West Tamworth | West Tamworth | Mathematics Extension 1 | 1 |
| 200 | Menai High School | Menai | Mathematics Extension 1 | 2 |
Source: NSW Education Standards Authority (NESA).
Supplementary data from school publications.
Supplementary data from school publications.
Last Updated: 17 Feb 2023