The uniform supplier for St Thomas is Noone, uniform can be ordered online or selected in person instore at
1/328 High St, Chatswood
Formal Academic Uniform
The formal academic uniform is worn Monday, Thursday and Friday.
| Summer Formal (Girls) – Terms 1 & 4 | Summer Formal (Boys) – Terms 1 & 4 |
| Girls short sleeve over blouse | Boys short sleeve over shirt |
| Tartan skirt or culotte | Navy zip fly shorts |
| School cardigan or knit jumper. | School cardigan or knit jumper |
| School soft shell jacket | School soft shell jacket |
| Navy, white or yellow hair accessories | Navy ankle socks |
| Navy ankle socks | |
| Black leather school shoes (not black sneakers) |
| Winter Formal (Girls) – Terms 2 & 3 | Winter Formal (Boys) – Terms 2 & 3 |
| Girls long sleeve over blouse | Boys long sleeve shirt |
| Tartan skirt or culotte | Navy pleat trousers |
| School cardigan or knit jumper | School cardigan or knit jumper |
| School soft shell jacket | School soft shell jacket |
| Navy, white or yellow hair accessories | Navy ankle socks |
| Navy stockings | School tie |
| Black leather school shoes (not black sneakers) |
| Sport Uniform worn (Tuesdays and Wednesdays) |
| School navy & yellow stripe polo |
| Navy sports shorts |
| Navy skort (optional girls) |
| School soft shell jacket |
| WINTER: Navy trackpants (optional) |
| White ankle socks (no leggings to be worn under skorts) |
