On July 2, 2024, theState University of New York at New Paltz announced that it will join the NJAC as a full member, thus becoming the NJAC's first-ever full member located outside of the state of New Jersey, beginning the 2026–27 academic year.[1]
1977 –Stockton State College (now Stockton University) joined the NJSAC in the 1977–78 academic year.
1985:
Women's programs became part of the NJSAC, when theJersey Athletic Conference (a women's sports athletic conference) was merged into the NJSAC; thus being rebranded as the New Jersey Athletic Conference (NJAC), beginning the 1985–86 academic year.
2005 – New Jersey City rejoined the NJAC after spending one season as an NCAA D-III Independent school in the 2005–06 academic year.
2006 –Buffalo State College (now Buffalo State University) joined the NJAC as an affiliate member for football in the 2006 fall season (2006–07 academic year).
2020 – St. Joseph's–Long Island left the NJAC as an affiliate member for men's and women's indoor and outdoor track & field after the 2019–20 academic year; due to athletic budget cuts.
2021 – Wesley (Del.) left the NJAC as an affiliate member for football after the 2020 fall season (2020–21 academic year); after the school closed down to later be acquired byDelaware State University.
2023:
Five institutions left the NJAC as affiliate members, all effective after the 2022–23 academic year:
Penn State–Harrisburg for men's and women's indoor and outdoor track & field
and SUNY Oneonta, Wisconsin–Eau Claire, Wisconsin–La Crosse and Wisconsin–Whitewater left the NJAC as affiliate members for men's tennis
2024 – SUNY Farmingdale left the NJAC as an affiliate member for men's and women's outdoor track & field after the 2024 spring season (2023–24 academic year).
2025 –Vermont State University–Castleton joined the NJAC as an affiliate member for football in the 2025 fall season (2025–26 academic year).
TheState University of New York at New Paltz (a.k.a. SUNY New Paltz) will join the NJAC, beginning the 2026–27 academic year; thus becoming the NJAC's first-ever full member located outside of the state of New Jersey.
^Represents the calendar year when fall sports competition begins.
^New Jersey City left the NJAC after the 2003–04 school year to compete as an NCAA D-III Independent; which would later rejoin in the 2005–06 school year.
^Buffalo State left the NJAC for theEmpire 8 after the 2011 football season (2011–12 school year).
^Also known as the State University of New York at Farmingdale.
^Frostburg State left the NJAC to begin a transition to theNCAA Division II ranks and joined theMountain East Conference (MEC) after the 2018 football season (2018–19 school year).[2]
^abThe St. Joseph's–Long Island men's and women's indoor track & field teams were discontinued due to athletic budget cuts before due to the COVID pandemic during the 2020–21 school year.
^abThe St. Joseph's–Long Island men's and women's outdoor track & field teams last competed in the were 2018–19 school year. Due to the COVID pandemic, they didn't compete during the remainder of 2019–20; thus they would later be discontinued due to athletic budget cuts before due to the COVID pandemic during 2020–21.
^Southern Virginia left the NJAC to join theOld Dominion Athletic Conference (ODAC) after the 2018 football season (2018–19 school year), and would later become an all-sports member of theUSA South Athletic Conference (USA South), beginning the 2021–22 school year.
^SUNY Brockport left the NJAC for theEmpire 8 after the 2013 football season (2013–14 school year).
^abSUNY Cortland and SUNY Morrisville left the NJAC to join theEmpire 8 Athletic Conference after the 2014 football season (2014–15 school year).
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