| Redmond | Joshua | | Ireland | 1893 | | | 302140D | | 66800315 | |
| O'Donnell | Ben | | Kings School Macclesfield | | | | 313996H | | 0 | |
| Dougall | Alex | | Bourne Grammar School | | | | | | 0 | |
| Chitlaia | Aaran | M | Surrey Juniors | | 798 | | 319461K | | 475343 | |
| Brodskiy | Edward | M | Millfield School | 1465 | 1345 | | 303504K | | 0 | |
| Carroll | Benedict | | Kings College School (Wimbledon) | | 1323 | | 313921K | | 0 | |
| Nhi Ngo | Hanh | | James Allens Girls School | | | | | | 0 | |
| Moule | Lyla | F | Surrey Juniors | | 738 | | 322102H | | | |
| O'Mahoney | Patrick | | Ireland | 1263 | | | 303926C | | 2511622 | |
| Shah | Chirag | | Merchant Taylors | | | | 155039B | | | |
| Tiwari | Dhruv | M | Surrey Juniors | | 1278 | | 319463C | | 476625 | |
| Jaisinbayev | Alibek | M | Millfield School | 1623 | 1645 | 1623K | 313339E | | 0 | |
| Selway | Alexander M | M | Eltham College | 1833 | 1803 | | 267877K | | 432679 | |
| Leslie | Phoebe | | James Allens Girls School | | | | | | 0 | |
| Ballard | Alexander | M | Surrey Juniors | | 1060 | | 322134K | | 483788 | |
| Manojlovic | Anastasija | | Ireland | 1735 | | | 306396D | | 2507625 | |
| Woodburn | Matthew | | Twickenham Prep | | 1300 | | 326905L | | 0 | |
| Drizen | Daniel | M | Merchant Taylors | | 1023 | | 314198G | | | |
| Hutson | Harry | M | Surrey Juniors | | 708 | | 319465G | | 476250 | |
| Ivanov | Elizabeth | F | North London Collegiate School | 1690 | 1728 | | 279664J | | 427284 | |
| Gajdamowicz | Arrien | M | Eltham College | 1585 | 1263 | 1585K | 283624F | | 0 | |
| Kalckstein | Sophie | | James Allens Girls School | | | | | | 0 | |
| Haque | Mustakim-Ul | | Ireland | 1938 | | | 306412J | | 2509334 | |
| Gill | Adam | M | Merchant Taylors | | 970 | | 314200A | | | |
| Smith | Joshua | M | Surrey Juniors | | 895 | | 319468B | | | |
| Gelain-Sohn | Emmanuelle | F | North London Collegiate School | 1698 | 1608 | | 284503K | | 439509 | |
| Gao | Jingyan | U | James Allens Girls School | | | | | | 0 | |
| Ruchko | Denis | | Ireland | 2103 | | | 306414B | | 2509318 | |
| Sharma | Vivaan | M | Merchant Taylors | | 790 | | 319996E | | | |
| Grey | Lola | F | Surrey Juniors | | 708 | | 319470L | | | |
| Sawhney | Anisha | F | North London Collegiate School | 1608 | 1563 | | 291563H | | 441481 | |
| Golshan-Ebrahimi | Alexander | | Eltham College | | | | 311032B | | 0 | |
| Kelly | Edmund | M | Colyton Grammar School | 1555 | 1593 | | 291420H | | | |
| Sharpe | Tim | M | Surrey Juniors | | 903 | | 317618G | | | |
| Naughton | James | | Ireland | 1773 | | | 306427L | | 2509199 | |
| Cooper | Oliver | | Thorp Academy | | | | | | | |
| Huggett | Georgia | F | North London Collegiate School | | 858 | | 315433G | | | |
| Ebbutt | Jessica | F | Surrey Juniors | | 745 | | 319472D | | | |
| Jani | Tia | F | North London Collegiate School | 1165 | 1390 | | 292724L | | 0 | |
| Hamby | Amat | M | Fortismere S | | | | 283743C | | 429350 | |
| Radnotti | Bence | | Braunton Academy | | | | | | 0 | |
| Wolf | Kian | M | Surrey Juniors | | 768 | | 317621G | | | |
| Gupta | Utkarsh | M | Ireland | 1735 | | | 306430L | | 2510790 | |
| Miller | Ryan | | Thorp Academy | | | | | | | |
| Man | Lauren | F | North London Collegiate School | 1173 | 1300 | 1173H | 326307B | | | |
| Sahni | Shambhavi | F | Surrey Juniors | | 948 | | 319474H | | 475700 | |
| Bilgrami | Imaan | F | North London Collegiate School | 1203 | 1293 | | 292747A | | 0 | |
| Forman | Reuben | M | Fortismere S | | | | 294802D | | 0 | |
| Molligoda | Ashen | | Braunton Academy | | | | | | 0 | |
| Butcher | Charlize | F | Surrey Juniors | | 910 | | 317909G | | | |
