Not sure who is in upper state vs lower state except for the obvious ones but here are the records to date, ordered by losses in 1A/2A division:
Christ Church 15-2: Losses 1 4A, 1 SCISA - no 1A/2A losses
Academic Magnet 15-3: Losses 1 4A, 2 3A - no 1A/2A losses
Woodruff 15-5: Losses 3 4A, 1 SCISA, 1 2A/1A
Swansea: 14-2: Losses 1 3A, 1 2A/1A
Bishop England: 13-6: Losses 4 4A, 2 2A/1A
Gilbert: 13-5: Losses 2 3A, 2 2A/1A, 1 SCISA
Waccamaw: 8-9: Losses 2 4A, 5 3A, 2 1A/2A
Greenville Tech Charter 10-10: losses 2 4A, 4 3A, 3 1A/2A
Emerald 7-6: losses 2 4A, 4 1A/2A
Barnwell 14-7; losses 1 3A, 6 1A/2A
Southside Christian 10-8: losses 1 3A, 6 2A/1A, 1 SCISA
My prediction is Christ Church and Woodruff for the upper state finals.
Academic Magnet and Swansea or Bishop England for the lower state finals.