Staff Directory
| Rebecca Steele | Learning Resource Teacher, Junior School |
| Sam Stewart | Assistant Houseparent, Bolton House |
| Sam Stewart | Campus Shop Associate |
| Danielle Stokes Beare | Teacher, Senior School Head of Social Studies |
| Stephanie Stone | Kindergarten Associate Teacher, Junior School |
| Maggie Su | Administrative Assistant, University Counselling |
| Janna Sullivan | Teacher, Junior School |
| Graham Swan | Bus Driver |
| Selena Swets | Health Centre Nurse (on-call) |
| Amy Symes | Design Lab Technician |
| Chris Talbot '87 | Vice-Chair, SMUS Society Board of Governors Alumnus, Class of 1987 |
| Charlson Tang | Teacher, Senior School |
| Jeff Taylor | Teacher, Senior School |
| Meghan Taylor | Associate Teacher, Junior School |
| Aaron Tesfagiorgis | Coaching and Boarding Intern |