​The Southeast Region’s top high school football teams continue to separate themselves, with St. Thomas Aquinas (FL), Buford (GA) and Columbus (FL) holding firm atop USA TODAY Sports Super 15 rankings as several undefeated programs remain in pursuit. Week 12 also brings two new additions to the Super 15, with St. Augustine (FL) and Central (AL) breaking into the rankings after impressive victories.Here are USA TODAY Sports’ Week 12 Southeast Region Super 15 rankings.1. St. Thomas Aquinas (Fort Lauderdale, FL)Record: 9-0Previous Rank: 1Last Result: St. Thomas Aquinas 49, West Broward (FL) 82. Buford (GA)Record: 8-0Previous Rank: 2Last Result: Buford 67, Discovery (GA) 03. Columbus (Miami, FL)Record: 9-1Previous Rank: 3Last Result: Idle4. IMG Academy (Bradenton, FL)Record: 8-0Previous Rank: 4Last Result: IMG Academy 42, The Hun School (NJ) 145. Carrollton (GA)Record: 9-0Previous Rank: 5Last Result: Carrollton 48, East Coweta (GA) 176. Baylor (Chattanooga, TN)Record: 9-0Previous Rank: 6Last Result: Baylor 21, Knoxville Catholic (TN) 77. Thomas County Central (Thomasville, GA)Record: 8-0Previous Rank: 7Last Result: Thomas County Central 26, Coffee (GA) 78. Tupelo (MS)Record: 9-0Previous Rank: 9Last Result: Tupelo 44, Lewisburg (MS) 09. Dutch Fork (Irmo, SC)Record: 8-0Previous Rank: 10Last Result: Dutch Fork 49, White Knoll (SC) 710. Prattville (AL)Record: 9-0Previous Rank: 11Last Result: Prattville 20, Opelika (AL) 1711. Thompson (Alabaster, AL)Record: 8-1Previous Rank: 12Last Result: Idle12. Lee County (Leesburg, GA)Record: 8-1Previous Rank: 14Last Result: Idle13. Chaminade-Madonna (Hollywood, FL)Record: 7-2Previous Rank: 15Last Result: Chaminade-Madonna 33, Coconut Creek (FL) 714. St. Augustine (New Orleans, LA)Record: 9-0Previous Rank: NRLast Result: St. Augustine 52, Edna Karr (LA) 1415. Central (Phenix City, AL)Record: 9-1Previous Rank: NRLast Result: Central 64, Clay-Chalkville (AL) 46Who dropped outEdna Karr (New Orleans, LA): previously ranked No. 8Clay-Chalkville (Pinson, AL): previously ranked No. 13Follow Sports Reporter Alex Martin on X at @AlexMartinUSAT or via email: amartin@usatodayco.com. For additional high school sports coverage, be sure to follow USA TODAY High School Sports on Instagram and X.This article originally appeared on USA TODAY: USA TODAY Sports Super 15 Southeast Region high school football rankings, Week 12