Currently a freshman at the University of Mississippi, Thornberry finished runner-up at the Thunderbird International Junior in 2015. Outside of his AJGA tournaments he finished sixth at the Junior PGA Championship and won the Bubba Conlee National Junior. Thornberry advanced to the round of 16 at the Polo Golf Junior Classic and played in the Wyndham Cup for the East Team. He is making his third straight appearance as a Rolex Junior All-American.
|6||2015 Junior PGA Championship||72||71||70||68||281|
|1||2015 Bubba Conlee||68||68||72||208|
|2||2015 Thunderbird International Junior||71||68||67||206|
|T36||2015 Junior Invitational at Sage Valley Golf Club||77||73||79||229|
|19||2015 CB&I Boys Championship at Carlton Woods||80||68||76||224|
|T9||2014 Polo Golf Junior Classic||71||77||148|
— Braden Thornberry (@tberrygolf) July 30, 2015