| | Karrie Weinstock Head of Senior/Middle School and Admissions | ext. 107 |
| | Rosemary Evans Head of Academics | ext. 102 |
| | Heather Friesen Assistant Head of Middle School & MYP Coordinator | ext. 373 |
| | Kate Hebdon IB Diploma Program Coordinator | ext. 150 |
| | Shanna Mitchell Director of Senior School Administration | ext. 106 |
| Art | Bernadette Badali Head of Art | ext. 328 |
| | Amy Girard
| ext. 355 |
| | Tonya Butler
| ext. 197 |
| | Samantha Koscec
| ext. 347 |
| Music | Nancy Olfert Head of Music | ext. 352 |
| | Anne-Marie Dubuc
| ext. 331 |
| | Larry Gerow
| ext. 161 |
| | Lyris Pat
| ext. 323 |
| Learning Strategies | Roberta Longpré Director of Learning Strategies | ext. 374 |
| | Katherine Gregoire
| ext. 387 |
| | Jennifer Sontrop
| ext. 365 |
| Computer Studies | Joe Smith Head of Computer Studies | ext. 140 |
| | Martha Fieltsch
| ext. 332 |
| | Fiona Marshall
| ext. 162 |
| Dramatic Arts | Judith Friend Head of Dramatic Arts | ext. 266 |
| | Erin O'Rourke
| ext. 202 |
| English | Karen Fabian Head of English | ext. 318 |
| | Robin Blackburn
| ext. 308 |
| | Catharine Fitton
| ext. 366 |
| | Alena Oosthuizen
| ext. 377 |
| | Giles Pinto
| ext. 160 |
| | Jillian Strimas
| ext. 388 |
| | Jenifer Sutherland
| ext. 311 |
| | Sophie Tsonis
| ext. 368 |
| | Diane Watson
| ext. 378 |
| English as a Second Language | Mandi Gerland
| ext. 230 |
| | Alena Oosthuizen
| ext. 377 |
| Guidance and Career Studies | Freida Ross Director of University Relations and Guidance | ext. 217 |
| | Hayley AvRuskin
| ext. 264 |
| | Susan Bates
| ext. 210 |
| | Laura Bincik
| ext. 345 |
| | Andrea Stoeckl
| ext. 255 |
| | Jennifer Stumborg
| ext. 275 |
| | Annie Maki
| ext. 216 |
| Mathematics | Carol Van Wagner Head of Mathematics | ext. 198 |
| | Charlotte Danard
| ext. 382 |
| | Colleen Ketchum
| ext. 303 |
| | Edith Louie
| ext. 375 |
| | Trevor Ritchie
| ext. 267 |
| | Andrew Schroter
| ext. 371 |
| | Lisa Zorzitto
| ext. 391 |
| Modern Languages | Debra Mustos Head of Modern Languages | ext. 315 |
| | Oona Craig
| ext. 306 |
| | Michelle Doyle-Davison
| ext. 307 |
| | Nicole Hallett
| ext. 310 |
| | Sylvie Henderson
| ext. 364 |
| | Katie Knox
| ext. 334 |
| | Delphine Ledoux
| ext. 301 |
| | Mary Wood
| ext. 327 |
| Physical and Health Education | Nanci Smith Director of Residence and Athletics | ext. 104 |
| | Jacqueline Bennett Head of Physical and Health Education | ext. 304 |
| | Scott Fleming Head Coach of the Rowing Program | ext. 356 |
| | Hailey Frydman Wellness Instructor | ext. 353 |
| | Lily Gambin
| ext. 351 |
| | Barbara Glennie
| ext. 325 |
| | Carlene Rotherham
| ext. 215 |
| | Lauren Stamper
| ext. 203 |
| | Kathy Stegenga
| ext. 218 |
| Science | Oksana Jajecznyk Head of Science | ext. 346 |
| | Chandra Boon
| ext. 329 |
| | Candace Benedet
| ext. 302 |
| | Stephen Casterton
| ext. 358 |
| | Aisha Ejaz Lab Technician | ext. 357 |
| | John Heder
| ext. 381 |
| | Deepa Raj
| ext. 309 |
| | Kathleen Duguay
| ext. 226 |
| | Julia Malcolm
| ext. 154 |
| | Dawn McMaster
| ext. 267 |
| Social Sciences | Nathalie Millette Head of Social Sciences | ext. 305 |
| | Jarrod Baker
| ext. 380 |
| | Kate Hebdon
| ext. 150 |
| | Jane Marshall
| ext. 341 |
| | Heather McCann
| ext. 397 |
| | Kathleen McConnachie
| ext. 363 |
| | Ian McVay
| ext. 342 |
| | Graham Porter
| ext. 145 |
| | Stephanie Supino
| ext. 335 |
| | Allison Campbell-Rogers
| ext. 253 |
| | Mireille Couture
| ext. 280 |
| | Tracy Dalglish
| ext. 280 |
| | Tanay Naik
| ext. 280 |
| Library | Gayle Reid Head of Library Services | ext. 361 |
| | Marny Gibson Librarian | ext. 324 |
| | Deann Rousseau Library Technician | ext. 349 |
| International Exchanges | Gillian Bishop International Exchange Coordinator | ext. 189 |
| Staff | Sandra Bolté Day School Coordinator | ext. 206 |
| | Bonnie Chung Assistant to Head of Academics | ext. 278 |
| | Orshy Kenez University Relations Admin. Assistant | ext. 214 |
| | Jennifer Narjes Admin. Assist. to Director of Residence & Athletics | ext. 281 |
| | Marion Pais Admin. Assistant to Head of Senior and Middle School | ext. 207 |
| | Sandy Sheehan Executive Assistant to Principal | ext. 208 |
| | Zoe Bell Assistant to Student Life and Middle School | ext. 272 |
| | Sandra Hincks Switchboard | ext. 741 |
| | Annie Maki Guidance/Academic Studies Assistant | ext. 216 |
| | Cindy Scott Attendance | ext. 231 |
| | Celia West Admin Assistant: IB & Learning Strategies | ext. 339 |