Chloe Johnston (Calgary, AB) qualified for the 2021 Red Deer Servus U18 Women playoffs, dropping their quarterfinals match 7-6 against Gabby Wood (Edmonton, AB). of the 2021 Red Deer Servus U18 Women in Red Deer, Alberta, Canada;
 
Johnston finished 3-0 in the 0 team Red Deer Servus U18 Women qualifying round, held October 15 - 17, 2021 at the Red Deer Curling Club in Red Deer, Canada. In their opening game, Johnston defeated Cadenz Matter (Edmonton, AB) 6-4, then won 7-4 against Hannah Northwood (Airdrie, AB) and 7-2 against Emma Yarmuch (Edmonton, AB) in their final qualifying round match.
 
Johnston ranks th overall on the Year-to-Date rankings with points earned so far this season.