Northeastern Athletic Conference
The Northeastern Athletic Conference is a Ohio [High School Athletic Association] athletic conference made up of member schools from Trumbull, Portage, Ashtabula, Geauga and Lake Counties in Ohio. The NAC began conference play in 2002.
History
The Northeastern Athletic Conference was founded in 2002 and formed by former members of the now-defunct East Suburban Conference Bristol, Bloomfield, Chalker, Lordstown, Maplewood and Pymatuning Valley. The East Suburban Conference became a football only conference until the fall 2008 season. Two additional nearby schools, Badger and Mathews, joined in the 2003-04 school year.In 2008, the former Ledgemont High School was accepted into the NAC after leaving the East Suburban Conference. In 2009, the league added two more members Grand Valley High School and Lutheran East. The league would also begin conference play for the first time for football this year. Lutheran East joined the league for football only the same year. they left the conference in 2012.
In 2013, Windham High School was accepted into the NAC, leaving their former Portage Trail Conference. Ledgemont High School closed after the 2013–2014 school year after a territory transfer with Berkshire High School. Newbury High School replaced their spot NAC in 2014 after leaving the Chagrin Valley Conference.
After 10 years of being in the conference, Grand Valley left the NAC in 2019, in favor of joining the Chagrin Valley Conference. Fairport Harding High School, joined the league after their 15-year long tenure in the Chagrin Valley Conference in 2020. Newbury High School closed following the 2019-20 school year, merging with Geauga High School">Geauga County, Ohio">Geauga High School.
Chalker left the NAC for football, after the 2021 season, cancelling their season due to lack of players. Chalker became a member of the Northern 8 Football Conference. in 2024.
Despite playing a conference schedule in all sports with the league for years, Ashtabula St. John High School officially joined the NAC in 2022.
In 2024, Grand Valley re-joined the NAC after a 5-year tenure with the Chagrin Valley Conference. the NAC added also added Cardinal High School in Middlefield in 2025 who joined after leaving the Chagrin Valley Conference.
Fairport Harding announced their intention to play one more year with the NAC before re-joining their former Chagrin Valley Conference starting the 2026-27 school year, ending their tenure with the NAC after 6 years. On September 24th, 2025, Leetonia High School announced that they have accepted their invitation to join the NAC, leaving the Eastern Ohio Athletic Conference, and will begin conference play in the 2026-27 school year.
On November 26th, 2025, Windham announced they were accepted into the Northern 8 Football Conference beginning the 2026-27 school year, with roster numbers decreasing in recent years.
Members
Former members
Future members
Membership timeline
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bar:1 color:Yellow from:2002 till:end textcolor:black text:Bristol
bar:2 color:red from:2002 till:end textcolor:black text:Bloomfield
bar:3 color:orange from:2002 till:end textcolor:black text:Chalker
bar:4 color:red from:2002 till:end textcolor:black text:Lordstown
bar:5 color:blue from:2002 till:end textcolor:white text:Maplewood
bar:6 color:claret from:2002 till:end textcolor:yellow text:Pymatuning Valley
bar:7 color:red from:2003 till:end textcolor:black text:Mathews
bar:8 color:red from:2003 till:end textcolor:white text:Badger
bar:9 color:red from:2008 till:2014 textcolor:white text:Ledgemont
bar:10 color:blue from:2009 till:2019 textcolor:white text:Grand Valley
bar:10 color:blue from:2024 till:end textcolor:white text:
bar:11 color:blue from:2009 till:2012 textcolor:white text:Lutheran East
bar:12 color:black from:2013 till:end textcolor:yellow text:Windham
bar:13 color:orange from:2014 till:2020 textcolor:black text:Newbury
bar:14 color:claret from:2020 till:2026 textcolor:white text: Fairport
bar:15 color:blue from:2022 till:end textcolor:white text:St. John
bar:16 color:blue from:2026 till:end textcolor:white text:Leetonia
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text:"NAC Membership History"
Championships
List of conference championships since 2002| Year | Football | Volleyball | Girls Basketball | Boys Basketball | Baseball | Softball |
| 2025-26 | Fairport | Cardinal | ||||
| 2024-25 | Pymatuning Valley | St. John | Maplewood | Bristol | St. John | Mathews |
| 2023-24 | Pymatuning Valley | St. John | Badger | Bristol | St. John | Mathews |
| 2022-23 | Pymatuning Valley | St. John | Badger | Pymatuning Valley | Mathews | Chalker/Pymatuning Valley |
| 2021-22 | Pymatuning Valley | Maplewood | Bristol | Mathews | Mathews | Mathews |
| 2020-21 | Pymatuning Valley | Badger | Bristol | Bristol | Pymatuning Valley | Mathews |
| 2019-20 | Pymatuning Valley | Badger | Maplewood | Bristol | COVID - NO SEASON | COVID - NO SEASON |
| 2018-19 | Windham | Newbury | Bristol | Pymatuning Valley | Bristol | Bristol |
| 2017-18 | Grand Valley | Mathews | Pymatuning Valley | Bristol | ||
| 2016-17 | Grand Valley | Lordstown | Lordstown | Bristol | ||
| 2015-16 | Grand Valley | Grand Valley | Windham | Bristol | ||
| 2014-15 | Mathews | Windham | Windham | Maplewood | ||
| 2013-14 | Grand Valley | Windham | Pymatuning Valley | Maplewood | ||
| 2012-13 | Grand Valley | Ledgemont | Maplewood | Bristol | ||
| 2011-12 | Ledgemont | Pymatuning Valley | Pymatuning Valley | Mathews | ||
| 2010-11 | Ledgemont | Lordstown | Pymatuning Valley | Pymatuning Valley | ||
| 2009-10 | Chalker | Lordstown | Pymatuning Valley | Mathews | ||
| 2008-09 | N/A | Lordstown | Maplewood | Maplewood | ||
| 2007-08 | N/A | Lordstown | Maplewood | Pymatuning Valley | ||
| 2006-07 | N/A | Pymatuning Valley | Pymatuning Valley | |||
| 2005-06 | N/A | Pymatuning Valley | ||||
| 2004-05 | N/A | |||||
| 2003-04 | N/A | |||||
| 2002-03 | N/A |