| Sport Event Date(s) Location |
| NSSSA Championship Calendar 2002/2003 |
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| Golf |
| Cross-Country |
| Boys Volleyball |
| Girls Basketball |
| Boys Basketball |
| Girls Volleyball |
| Curling |
| Badminton |
| Track and Field |
| Tennis |
| NSSSA NOSSA |
| Sep 20, Fri Sep 28, Sat |
| Blind River Wasse Abin |
| Elliot Lake Sudbury Port Hope |
| Sudbury |
| Sudbury |
| Sudbury |
| Elliot Lake North Bay |
| Elliot Lake Sudbury |
| Central Algoma S.S.Marie St. Catharines |
| ?? Sudbury |
| Oct 18, Fri Oct 25, Fri Nov 2, Sat |
| Nov 6, Wed Nov 16, Sat Nov 22/23, Fri/Sat |
| Feb 18, Tue Feb 20, Thur Feb, 21/22, Fri/Sat Mar 5-7, Wed-Fri |
| NSSSA NOSSA OFSAA |
| NSSSA NOSSA 'A' OFSAA 'A' |
| NSSSA Semis NSSSA Finals NOSSA 'A' OFSAA 'A' |
| Feb 19, Wed Mar 1, Sat Mar 6/7, Wed/Thur |
| Feb 25, Tues Mar 4/5, Tue/Wed Apr 2-4, Wed - Fri |
| Apr 2, Wed Apr 11/12, Fri/Sat |
| May 21, Wed May 29/30 Thur/Fri Jun 5-7, Thur-Sat |
| May ??, Thur May ??, Fri |
| NSSSA NOSSA OFSAA |
| NSSSA NOSSA |
| NSSSA NOSSA OFSAA |
| NSSSA NOSSA |
| NSSSA Semis NSSSA Finals NOSSA 'A' OFSAA 'A' |
| NSSSA NOSSA 'A' OFSAA 'A' |