Fort Valley — No. 5 Wilkinson took the lead for good with six minutes left in the first half and pulled away down the stretch.
Ten different players scored for the Warriors (29-2), who earned a shot at their third state title in seven years.
Torrico Simmons scored 25 to lead Wilkinson, which also got 13 from Derrick Trawick Jr.
Jenkins (18-9) led by as many as eight in the first quarter before Wilkinson got rolling. The Warriors closed the first period with an 11-4 run and pulled even at 19 on a buzzer-beating 3-pointer by Jamerion Love.
Jenkins led 24-22 early in the second period before Trawick’s 3-pointer started a 12-1 run for Wilkinson, which led by as many ast 13 in the second half.
Justin Ellis scored 20 and Daniel Langston 16 for Jenkins County, which pulled within four at 66-62 with 5:26 left but got no closer.