Tyrie Jackson added 12 points, and Ladarius Stewart had 11 points and five rebounds for Tift County (28-3), which is seeking its first state championship since 1996.
Norcross (25-7) got 23 points from Ricky Madison, 17 from A.J. Bush and 16 points from Lorenzo Carter. The Blue Devils had won five state championships since 2006.
The first quarter was dead even until Tift County scored the final five points of the quarter to take a 16-10 lead. Norcross trimmed the lead to 18-17 on a 3-pointer from Ricky Madison, but Tift County scored seven consecutive and 14 of the next 16 points. Jackson had three baskets, one of them a 3-pointer, during that stretch, and Tift County led 34-24 at intermission.
Tift County pushed its lead to 15 points at 41-26, but Norcross went on a 16-3 run to draw within a bucket. Norcross finally tied the score at 57-57 on a basket by Madison, only to have Tift County got a 13-3 run to take a 10-point lead with 3:10 remaining.
The Norcross defense kept pressure on Tift County and got back to win three points at 72-69, but could not get any closer. Tift County made six free throws in the final minute to end the threat.
“This was a big win,” Jackson said. “We came in here and played hard. We got to the playoffs my junior year and we wanted to come back and win it all this year.”