Talbott, who opened with an 81 Monday, took a stroke off that score Tuesday before posting her best round yet with a 78 Wednesday. She finished the event at 239, 23 shots behind Milton’s Payton Schanen, who won with an even-par 216 over the three days.
Norcross’ Diane Lim, who entered the final round tied with Schanen, finished second at 219.
Talbott’s Etowah teammate, Tyler Dawson, tied for 22nd at 244. Woodstock’s Abby Bolt tied Creekview’s Claire Roop for 29th at 255, while Woodstock’s Madison Blackburn finished at 263.
A dozen players finished the Georgia Junior Championship with sub-par scores, but none were from Cherokee County.
Duluth’s Charles Huntzing shot 10-under par 206 over three rounds to win the title in Brunswick.
The highest-placing finisher from Cherokee County was recent Etowah graduate Nick Budd, who shot 7-over 223, good enough for 29th place.
Other locals participating in the event included Kevin Burns (227), Jake Haggerty (228), Ryan Hines (228) and Brady Keran (231). Alex Burgess and Kiely Morrison missed the second-round cut.
Former Etowah High School standout Leah Hixon wrapped up her collegiate career at South Alabama by winning the Sun Belt Conference title in the javelin.
By winning the conference title, Hixon advanced to her third consecutive appearance in the NCAA regional, where she finished 25th with a mark of 148 feet, 7 inches.
As part of her season, Hixon also placed second in the Sun Belt championships in the heptathlon behind teammate Noelle Jones.
In the seven-event task, Hixon won the javelin (156-7), placed second in the 800-meter run (2 minutes 27, 14 seconds) and long jump (18-10½), third in the high jump (5-3), fourth in the shot put (38-7) and eighth in the 200 dash (26.28) and 100 hurdles (15.15).
Hixon left South Alabama as the school record-holder in the javelin (158-10).