| Event/Meet | Date | Location |
| Fall Coaches' Meeting | September 12, 2012 | Worcester Academy |
| Varsity I | October 3, 2012 Snow date: October 24, 2012 |
Shrewsbury High School (A & B) and Assabet Valley Regional Technical High School (C & D) |
Snow date: November 14, 2012 |
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| Freshman I | November 14, 2012 | Worcester North High School |
| Varsity II | December 5, 2012 Snow date: December 12, 2012 |
Shrewsbury High School (A & B) and Worcester North High School (C & D) |
| Freshman II | January 9, 2013 Snow date: February 13, 2013 |
Shrewsbury High School |
| Varsity III | January 30, 2013 Snow date: February 6, 2013 |
Auburn High School (A) and Assabet Valley Regional Technical High School (B & C & D) |
| Varsity IV | March 6, 2013 Snow date: April 10, 2013 |
Wachusett Regional High School (A & B & C & D) |
| Massachusetts State Championship Math Meet | April 8, 2013 Snow date: April 11, 2013 |
Shrewsbury High School |
| Freshman III | April 3, 2013 Snow date: April 10, 2013, or April 24, 2013 |
Worcester North High School |
| New England Championship Math Meet | April 26, 2013 | Canton High School |
| Spring Coaches' Meeting | May 8, 2013 | Worcester Academy |