| Principal |
Mr. B. Berman |
| |
|
| Vice-Principals |
Ms. S. Hetherington |
| |
Ms. S. Smullens |
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|
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| School Office |
Thornhill Secondary School |
| |
167 Dudley Avenue |
| |
Thornhill, Ontario |
| |
L3T 2E5 |
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|
| Telephone: |
905-889-5453 |
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|
| Fax: |
905-889-0360 |
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|
| Attendance Office: |
Ext 303 |
| |
|
| Guidance Office: |
Ext 304 |
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| Main Office Reception: |
Ext 301 |
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