2019-20 Season (RS-Sophomore) - When Mason returned to the court in 2019-20, she still battled injuries and was limited to 18 games...Scored 10 or more points in three games, including on November 23 at Catawba where she scored a season-high 14 points...Overall, Mason scored 121 points, grabbed 21 rebounds to go along with nine assists and seven steals...Mason still shined for the Bobcats from beyond the arc as she shot a team-best 34.4 from three among players with 30 makes or more...For her work as a student, Mason was named to the Academic All-Conference team following the season.
2018-19 Season (Redshirt Freshman) - Mason redshirted and did not play this season...Academically, she was named to the Conference Carolinas Presidential Honor Roll following the season.
2017-18 Season (Freshman) - Mason made an instant impact for the Bobcats during her freshman season in 2017-18...The Monroe, North Carolina native averaged 19.8 minutes, 8.1 points and 2.3 rebounds in 26 games played...Registered eight double-figure scoring games as a freshman, including a season-high 24 point effort at Lenoir-Rhyne...Made 62 three-pointers on the season, which is tied for the eighth-most by any Bobcat in a single season in the history of the program.
Karli started 4 years on varsity at Sun Valley and scored 1186 points. She is one of six Sun Valley Spartans to eclipse 1000 points in her career. Mason grabbed 324 rebounds for her career as well. Mason scored a career high 31 points in a 65-61 loss to Parkwood. In that game she connected on 9 3-pointers. Shot 35% from 3 during her career at Sun Valley. Mason was named All-UnionCountyHoops.com's 2nd Team as a senior and All-SCC after avering 14.2 ppg and 4.7 rpg along with 2.0 apg and 2.2 spg. Won UCHOOPS Player of the Week for Week 11. Hit 7 3-pointers and 25 points in a 65-45 win over Alebmarle.
As a junior at Sun Valley Mason averaged 10.1 ppg and 5.1 rpg and was named All-SCC. She scored a season high 24 points in a 58-46 win over Central Cabarrus. Hit 7 3-pointers in a 86-44 win over Union Academy.
As a sophomore Mason averaged 8.0 ppg and 3.2 rpg. Mason scored as season high 19 points including 5 3-pointers in a 80-73 loss to Crest.