Lakeland's biggest local 'Rivalries' (Kathleen, Winter Haven, Jenkins) have been quite lopsided. Not sure how much of a rival George Jenkins is to Lakeland, but proximity kind of dictates it. Many of the parents that lived in that area went to Lakeland (before GJ existed), and now their kids go to GJ.
Lakeland is 25-2 against Kathleen since 1993 (26 regular season games, 1 playoff game). Although Kathleen has seen some more recent success, beating Lakeland in 2013 & 2016.
Since 1993, Lakeland is 20-0 vs. Winter Haven
Since 1994, Lakeland is 22-1 vs. George Jenkins (GJ won in 2003).