Gridiron New Jersey updates out-of-state SI; changes help Plainfield, Dayton edge up.

Plainfield huddles before a play at Somerville on October 17, 2025. The Cardinals moved up four spots in the playoff standings after the out-of-state SI adjustment.

Gridiron New Jersey – the official calculator of the NJSIAA’s NJ UPR playoff formula – has updated the out-of-state Strength Index values for dozens of teams, with only 13 public schools affected as we head into Cutoff Weekend. But the changes helped give a boost to two Big Central Conference teams.

The changes affected North and South Group 5 and Group 2, as well as South 4 and North 3 supersections.

In four of those six sections, the teams that played out-of-state opponents only saw a minor increase or decrease, typically less than one full point. South 5, South 4, North 3 and South 2 saw no change in the standings or UPR numbers as a result.

But in the Big Central Conference, Plainfield and Dayton got boosts.

In the North 5 supersection, Plainfield – which lost at Haverford (PA) back on September 27th, 41-25 – bumped up from 18 to 15, putting themselves squarely on the right side of the playoff bubble. And the Cardinals could move up this week, as they close out Friday night at Linden (3-5), which sits in 12th place, and didn’t move with the new adjustments.

Here are the new standings in North 5:

A table displaying the standings for North Group 5 high school football teams, including columns for wins, losses, ties, points average, out-of-state index average, UPR, northing, UPR rank, and N rank.

Meanwhile, in South Group 2, Dayton (6-1) – one of the small schools struggling to get in the playoffs – edged up from 17 to 16. The Bulldogs have been hurt by wins over three unbeaten teams this year – South Hunterdon, South River and Dunellen – but also have wins over Roselle Park (5-2), Spotswood (7-1) and Belvidere (4-4). Their final game, this Saturday at home against Brearley (4-4), might be a play-in game, and we’ll have to do further analysis to see if there’s a chance they can get in with a loss, or not make it even with a win. It’ll be close!

Here are the new standings in North 2:

Table displaying the updated standings for North Group 2 teams in New Jersey high school football, including team names, wins, losses, ties, and other statistics.

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