St Brelade secured promotion to Jersey's top flight for just the second time in the club's 59-year history after beating second-from-bottom St John 2-0.
Ollie Nightingale and Dave Streets got the goals for Gary MacDonald's side, who need one more point to win a first ever title in Jersey's second tier.
St Lawrence are favourites to join them after going three points clear in second.
Luke Maguire scored twice as they beat bottom side Sporting Academics 4-1.
They took advantage of St Martin's 2-0 loss at home to Portuguese Club as they slip from third to fourth.
They were leap-frogged by Beeches who beat Jersey Nomads 2-1, while Luke Barton hit two as St Clement came away from Mapgies with a 4-0 win.