The following lists of interstate competition events are approved for CIAC member high schools. If the event your school wants to participate in is not on this list the event has not been approved for participation for CIAC schools.
BORDERING STATE EVENTSNATIONAL EVENTS
| Date | Host | Sport | Event Title |
| 09/09/23 | MA | Boys & Girls Cross Country | MSTCA XC Relays Approved for CIAC member schools only. CIAC member schools may only compete against other NFHS state association member/approved schools. |
| 09/16/23 | MA | Boys & Girls Cross Country | Highland Park Invitational CIAC Member Schools may only compete against other NFHS State Association Member/Approved Schools. |
| 09/16/23 | MA | Boys & Girls Cross Country | MSTCA Ted Dutkiewicz Invitational |
| 09/23/23 | MA | Boys & Girls Cross Country | Amherst Invitational at Hampshire College CIAC member schools may only compete against other state association member/approved schools |
| 09/23/23 | MA | Boys and Girls Cross Country | MSTCA Franklin Park Invitational |
| 09/30/23 | MA | Boys & Girls Cross Country | MSTCA Frank Kelley Invitational Approved for CIAC member schools only. CIAC member schools may only compete against other NFHS state association member/approved schools. |
| 10/07/23 | VT | B&G Cross Country | Woods' Trail Run |
| 10/07/23 | MA | Boys & Girls Cross Country | MSTCA Bay State Invitational Approved for CIAC member schools. CIAC member schools may only compete against other NFHS state association member/approved schools. |
| 10/13/23 | MA | Boys & Girls Cross Country | Robert Glennon Twilight Invitational Also on 10-14-23. Approved for CIAC member schools only. CIAC member schools may only compete against other NFHS state association member/approved schools. |
| 10/14/23 | MA | Boys & Girls Cross Country | Catholic Memorial Invitational Approved for CIAC member schools. CIAC member schools may only compete against other NFHS state association member/approved schools. |
| 01/06/24 | NH | Wrestling | Nashua Hall of Fame Wrestling Classic |
| 01/20/24 | NH | Wrestling | Timberlane Invitational CIAC Member Schools may only compete against other NFHS State Association Member/Approved Schools. |
| 04/05/24 | CT | Boys & Girls Outdoor Track and Field | Tammy Schondelmayer Invitational also on 4-6-24. Approved for NFHS State Association Member/A |
| 04/12/24 | CT | Boys & Girls Outdoor Track and Field | Lady Hawks Invitational also on 4-13-24. Approved for NFHS State Association Member/Approved Schools. |
Note: The NFHS often approves events which are not approved by CIAC so please go by the list of approved activities for CIAC member schools only.
| Date | Host | Sport | Event Title |
| 09/09/23 | PA | Boys & Girls Cross Country | Briarwood Invitational CIAC member schools may only compete against other NFHS state association member/approved schools. |
| 09/22/23 | PA | Field Hockey | Max Field Hockey High School National Invitational also on 9/23 and 9/24. Approved for CIAC Member Schools, Staples and Darien. The CIAC does not regulate athletic activities for Greenwich Academy. CIAC Members Schools may only compete against other NFHS State Association Member/Approved Schools. CIAC Member Schools need approval for Sunday Play. |
| 09/23/23 | RI | B&G Cross Country | Ocean State XC Invitational CIAC member schools may only compete against other state association member schools. The CIAC does not regulate athletic activities for the St. Luke's School. |
| 09/23/23 | NY | Boys & Girls Cross Country | The 16th Bowdoin Park Cross Country Classic CIAC member schools may only compete against other state association member/approved schools. |
| 09/23/23 | NH | Boys & Girls Cross Country | Manchester Invitational |
| 09/30/23 | NY | Boys & Girls Cross Country | NY State Night-Time XC Showcase Approved for CIAC Member Schools. The CIAC does not regulate athletic activities for the following schools Westport United Track Club, Loomis Chaffee, Hopkins, Brunswick, Capital Prep Harbor, Chase Collegiate, Edgewood, Greenwich Academy. CIAC Member Schools may only compete against other NFHS State Association Member Schools. |
| 10/07/23 | NC | B&G Cross Country | Great American XC Festival CIAC member schools may only compete against other state association member schools. |
| 10/07/23 | CT | Boys & Girls Cross Country | Wickham Invitational |
| 10/08/23 | MA | Girl's Volleyball | International Volleyball Hall of Fame's VolleyHall Classic Also on 10-09-23. CIAC Member Schools may only compete against other NFHS State Association Member/Approved Schools. CIAC participating schools need Board of Control approval for Sunday play. |
| 10/14/23 | NY | Boys & Girls Cross Country | Manhattan Cross Country Invitational Approved for CIAC Member Schools. CIAC member schools may only compete against other NFHS State Association Member/Approved Schools. The CIAC does not regulate athletic activities for the following invited schools: Brunswick, Sacred Heart - Greenwich, Greens farms Academy, Greenwich Country Day School, Hopkins, and St. Luke's. |
| 10/30/23 | NH | Boys & Girls Golf | New England Interscholastic Golf Championship NH is the Host State but the event will be held in CT |
| 10/30/23 | NH | Boys & Girls Golf | New England Interscholastic Golf Championship NH will serve as the host state. The event will be held at the Mohegan Sun Golf Club in Baltic, CT. |
| 11/11/23 | NH | Boys & Girls Cross Country | New England Interscholastic Cross Country Championship NH serves as the host state. The event will be held in Belfast, Maine |
| 12/15/23 | NY | Boys & Girls Indoor Track & Field | Coach Saint Invitational Approved for CIAC member schools. The CIAC does not regulate athletic activities for the following invited non-member schools: Brunswick, Capital Prep Harbor, Chase Collegiate, Edgewood, Greenwich Academy, Hopkins, Hotchkiss, Loomis Chaffee, Westport United. CIAC member schools may only compete against NFHS state association member/approved schools. |
| 12/16/23 | NH | Wrestling | Londonderry Holiday Wrestling Tournament CIAC Member Schools may only compete against other NFHS State Association Member/Approved Schools. |
| 12/16/23 | NY | Boys & Girls Indoor Track & Field | Coaches hall of Fame Invitational Approved for CIAC member schools. The CIAC does not regulate athletic activities for the following invited non-member schools: Brunswick, Capital Prep Harbor, Chase Collegiate, Edgewood, Greenwich Academy, Hopkins, Hotchkiss, Loomis Chaffee, Westport United. CIAC member schools may only compete against NFHS state association member/approved schools. |
| 12/29/23 | NY | Boys & Girls Indoor Track & Field | Armory HS Holiday Classic Approved for CIAC member schools. The CIAC does not regulate athletic activities for the following invited non-member schools: Brunswick, Capital Prep Harbor, Chase Collegiate, Edgewood, Greenwich Academy, Hopkins, Hotchkiss, Loomis Chaffee, Westport United. CIAC member schools may only compete against NFHS state association member/approved schools. |
| 01/05/24 | NY | Boys & Girls Indoor Track & Field | Armory Hispanic Games Also on 1-6-24. Approved for CIAC member schools. The CIAC does not regulate athletic activities for the following invited non-member schools: Brunswick, Capital Prep Harbor, Chase Collegiate, Edgewood, Greenwich Academy, Hopkins, Hotchkiss, Loomis Chaffee, Westport United. CIAC member schools may only compete against NFHS state association member/approved schools. |
| 01/10/24 | NY | Boys & Girls Indoor Track & Field | Millrose Games Trials Approved for CIAC member schools. The CIAC does not regulate athletic activities for the following invited non-member schools: Brunswick, Capital Prep Harbor, Chase Collegiate, Edgewood, Greenwich Academy, Hopkins, Hotchkiss, Loomis Chaffee, Westport United. CIAC member schools may only compete against NFHS state association member/approved schools. |
| 01/12/24 | NY | Boys & Girls Indoor Track & Field | Steve Borbet Invitational Approved for CIAC member schools. The CIAC does not regulate athletic activities for the following invited non-member schools: Brunswick, Capital Prep Harbor, Chase Collegiate, Edgewood, Greenwich Academy, Hopkins, Hotchkiss, Loomis Chaffee, Westport United. CIAC member schools may only compete against NFHS state association member/approved schools. |
| 01/19/24 | NY | Boys & Girls Indoor Track & Field | Armory Officials Hall of Fame Invitational Also on 1-20-24. Approved for CIAC member schools. The CIAC does not regulate athletic activities for the following invited non-member schools: Brunswick, Capital Prep Harbor, Chase Collegiate, Edgewood, Greenwich Academy, Hopkins, Hotchkiss, Loomis Chaffee, Westport United. CIAC member schools may only compete against NFHS state association member/approved schools. |
| 02/11/24 | NY | Boys & Girls Indoor Track & Field | Millrose Games Participating Schools must seek permission from the CIAC Board of Control to participate on Sunday, 2-11-24.Approved for CIAC member schools. The CIAC does not regulate athletic activities for the following invited non-member schools: Brunswick, Capital Prep Harbor, Chase Collegiate, Edgewood, Greenwich Academy, Hopkins, Hotchkiss, Loomis Chaffee, Westport United. CIAC member schools may only compete against NFHS state association member/approved schools. |
| 06/08/24 | NH | Boys & Girls Outdoor Track and Field | New England Interscholastic Outdoor Track and Field Championship |