This is the SACE Honour Roll, listing every award, merit or prize won by South Australian SACE students in 2005, along with their school and subject details.
The report also includes significant Australian national awards and prizes such as the Australian Student Prize.
| 402 | Heath, Danika Leah | Loreto College | Marryatville | Australian Student Prize | |
| 403 | Heinrich, Kyle Duncan | SA | Merit | Music in Society | |
| 404 | Heinrich, Simon Paul | SA | Merit | Ensemble Performance | |
| 405 | Heinrich, Simon Paul | SA | Merit | Music Individual Study | |
| 406 | Heinrich, Simon Paul | SA | Merit | Solo Performance | |
| 407 | Henderson, Lauren | SA | Merit | Solo Performance | |
| 408 | Heng, Jonathan Yee Wen | SA | Merit | Mathematical Methods | |
| 409 | Hennell, Caroline | SA | Merit | Music Individual Study | |
| 410 | Henschke, Carmen Jane | SA | Merit | Music in Society | |
| 411 | Henwood, Matt Thomas | SA | Merit | Geography Studies | |
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| 412 | Henwood, Matt Thomas | SA | Merit | Physical Education | |
| 413 | Henwood-Mitchell, Tessa | SA | Merit | English Communications | |
| 414 | Herrmann, Cherie Alyce | SA | Merit | English Communications | |
| 415 | Hill, Anna Malgorzata | SA | Merit | English Communications | |
| 416 | Hillier, Georgina Mary | SA | Merit | German (Continuers) | |
| 417 | Hillman, Elysha Marie | SA | Merit | Business Documents | |
| 418 | Hiscock, Rebecca Gillian | SA | Merit | English Studies | |
| 419 | Hiscock, Rebecca Gillian | SA | Merit | Music Individual Study | |
| 420 | Hobbs, Bridget Allison | SA | Merit | Australian History | |
| 421 | Hodgson, Alisa | SA | Merit | Nutrition Studies | |
| 422 | Hofmann-Thorpe, Ellin Rose | SA | Merit | Music Individual Study | |
| 423 | Hofmeyer, Thomas Robert | SA | Merit | Music Individual Study | |
| 424 | Hogevonder, Jim | SA | Merit | English Studies | |
| 425 | Holford, Katherine | SA | Merit | Mathematical Applications | |
| 426 | Holmes, Elise Katherine | SA | Merit | English Studies | |
| 427 | Hopkins, Juliette | SA | Merit | French (Continuers) | |
| 428 | Horgan, Victoria | SA | Merit | Music Individual Study | |
| 429 | House, Elizabeth Anne | SA | Merit | Nutrition | |
| 430 | Huber, Ella May | SA | Merit | Visual Arts Studies | |
| 431 | Hudson, Danielle | SA | Merit | Studies of Societies | |
| 432 | Hughes, Mallory Kate | SA | Merit | Outdoor Education I | |
| 433 | Hughes, Mallory Kate | SA | Merit | Outdoor Education II | |
| 434 | Hughes, Max | SA | Merit | Music Individual Study | |
| 435 | Humphries, Claire Marie | SA | Merit | English Studies | |
| 436 | Hunt, Evan James | SA | Merit | Agricultural and Horticultural Principles | |
| 437 | Hunt, Robert Earl | SA | Merit | Communication Products A | |
| 438 | Hunt, Thomas James | SA | Merit | Biology | |
| 439 | Hutchings, Amelia Kathryn | SA | Merit | English Studies | |
| 440 | Huynh, Victor | SA | Merit | Solo Performance | |
| 441 | Hyde, Rebecca Anna | SA | Merit | Early Childhood Studies | |
| 442 | Iasiello, Carla | SA | Merit | English Studies | |
| 443 | Ide, Julianna Bonnie | SA | Merit | Mathematical Applications | |
| 444 | Iljcesen, Shane | SA | Merit | Tourism | |
| 445 | Illingworth, Samantha Adele | SA | Merit | Solo Performance | |
| 446 | Innes-Wong, Cecilia Brigette C | SA | Merit | Biology | |
| 447 | Innes-Wong, Cecilia Brigette C | SA | Merit | Chemistry | |
| 448 | Innes-Wong, Cecilia Brigette C | SA | Merit | Physics | |
| 449 | Innes-Wong, Cecilia Brigette C. | SA | Prize: Australian Institute of Physics Prize - Bronze Bragg Medal | Physics | |
| 450 | Ireland, Daniel | SA | Merit | Technology and the Community | |
| 451 | Izzet, Laura Kay | SA | Merit | Tourism | |