| Year | Achievement | CMC Student | State | Division |
|---|---|---|---|---|
| 2023 | STATE CHAMPION | Levon He | RI | High School |
| 2001 | STATE CHAMPION | Chris Toolin | RI | High School |
| 2001 | NATIONAL AMERICAN-CO CHAMPION | Chris Toolin | RI | Elementary |
| 2002 | STATE CHAMPION SPIEGEL CUP | Jonathan Poggi | MA | Elementary |
| 2006 | STATE CHAMPION | Raghu Nimmagadda | RI | Grade K-3 |
| 2007 | STATE CHAMPION | Raghu Nimmagadda | RI | Grade K-3 |
| 2007 | STATE CHAMPION | Vincent DeCesaris | RI | Grade 4-6 |
| 2007 | STATE CHAMPION | John Perrotta | RI | High School |
| 2008 | STATE CHAMPION | Seth Neel | RI | High School |
| 2009 | STATE CHAMPION | Raghu Nimmagadda | RI | Elementary |
| 2009 | STATE CHAMPION | Samuel Kirsch | RI | High School |
| 2010 | STATE CHAMPION | Vincent DeCesaris | RI | Elementary |
| 2010 | STATE CHAMPION | Akshay Malhotra | TX | Grade 4-6 |
| 2011 | STATE CHAMPION | Ryan Sowa | RI | Grade K-4 |
| 2011 | STATE CHAMPION | Aidan Sowa | RI | Grade 5-6 |
| 2011 | STATE CHAMPION | Vincent DeCesaris | RI | Elementary |
| 2011 | STATE CHAMPION SPIEGEL CUP | James Lung | MA | High School |
| 2012 | STATE CHAMPION | Yoon-Young Kim | RI | Grade 5-6 |
| 2012 | STATE CHAMPION | Artiom Sorokin | RI | Grade K-4 |
| 2013 | WORLD CHESS CHAMPIONSHIP - USA TEAM MEMBER | Eddie Wei | MA | Under 8 Years Old |
| 2013 | STATE CHAMPION | Artiom Sorokin | RI | Grade K-4 |
| 2015 | WORLD CHESS CHAMPIONSHIP - USA TEAM MEMBER | Liu, Mingyang | RI | Under 12 Years Old |
| 2015 | STATE CO-CHAMPION SPIEGEL CUP | Eddie Wei | MA | Under 11 Years Old |
| 2015 | STATE CO-CHAMPION SPIEGEL CUP | Achyuta Rajaram | MA | Under 8 Years Old |
| 2015 | STATE CO-CHAMPION SPIEGEL CUP | Achyuta Rajaram | MA | Under 8 Years Old |
| 2016 | UNITED STATES NATIONAL CHAMPION | Ryan Wang | MA | K-1 |
| 2016 | WORLD CHESS CHAMPIONSHIP - USA TEAM MEMBER | Tianna Wang | USA | Under 10 Years Old |
| 2016 | WORLD CHESS CHAMPIONSHIP - USA TEAM MEMBER | Ryan Wang | MA | Under 8 Years Old |
| 2016 | STATE CHAMPION SPIEGEL CUP | David Zhou | MA | Under 11 Years Old |
| 2016 | STATE CHAMPION SPIEGEL CUP | Raymond Xu | MA | Under 11 Years Old |
| 2017 | STATE CHAMPION SPIEGEL CUP | Dustin Liang | MA | Under 11 Years Old |
| 2017 | STATE CO-CHAMPION SPIEGEL CUP | Victor Feng | MA | Under 8 Years Old |
| 2017 | STATE CHAMPION | Artiom Sorokin | RI | Elementary |
| 2017 | CHESS WORLD CHAMPIONSHIP - USA TEAM MEMBER | Dustin Liang | USA | Under 12 Years Old |
| 2018 | STATE CHAMPION SPIEGEL CUP | Ansh Yadawad | MA | Under 8 Years Old |
| 2018 | STATE CHAMPION | Meghana Kunamneni | RI | Grade 5-6 |
| 2019 | STATE CO-CHAMPION | Vihaan Kale | RI | Grade K-4 |
| 2019 | STATE CO-CHAMPION | Siddharth Gupta | RI | Grade 5-6 |
| 2019 | STATE CO-CHAMPION | Andrew Y Li | RI | Elementary |
| 2019 | STATE CHAMPION | Levon He | OH | Elementary |
| 2020 | STATE CHAMPION SPIEGEL CUP | Dustin Liang | MA | Under 14 Years Old |
| 2022 | STATE CHAMPION | Yi Sun | TN | Elementary |