As a Sophomore (2018):
- All-America Honorable Mention by VolleyballMag.com
 - Pac-12 All-Conference First Team
 - Named to the Pac-12 all-academic first team for the second consecutive year.
 - Finished the season with a 7-3 record.
 - Played every match with with Sunny Villapando with a 11-5 record.
 - Had a five-match streak March 10-25, with Villapando.
 
As a Freshman (2017)
- Pac-12 Freshman of the Year
 - Pac-12 All-Conference First Team
 - Pac-12 All-Freshman Team
 - Played all 23 dual matches at No. 1 with Jenna Gray.
 - Finished the season with an 11-12 record in dual matches, and 13-13 overall.
 - Went 2-1 in the Pac-12 Pairs Tournament with Gray, reaching the semifinals.
 - Went 3-3 at the Pac-12 Championships.
 - Had a four-match win streak from March 11-26, in which she didn’t drop a set.
 
High School
- A 2016 graduate of Aliso Niguel High School in Aliso Viejo, Calif.
 - Four-year letterwinner in volleyball, captaining her team from 2013-2015
 - 2014 CIF Division IA Champions
 - Three-time Sea View League champions (2013, 2014, 2015)
 - California Gatorade Player of the Year (2015)
 - 2015 Under Armour All-America first team
 - No. 3 Senior Ace by PrepVolleyball
 - Three-time PrepVolleyball All-American (2013-15)
 - Two-time All-CIF first team, all-state first team and all-county first team (2014, 2015)
 - Two-time Sea View League MVP (2014, 2015)
 - Four-time Aliso Niguel High School Scholar-Athlete
 - Also earned three letters in track and field
 
Club Competition
- Played for T-Street Volleyball Club
 
National Team Experience
- 2015 – only player in history to win FIVB world championship medals in both disciplines (indoor – silver/beach – gold)
 - Won a silver medal at the 2015 FIVB U18 World Championships in Lima, Peru, earning Best Opposite Award
 - Appointed captain of the 2015 USA Volleyball Youth National Team
 - Won a silver medal at the 2014 NORCECA U18 Continental Championships, collecting Best Spiker Award in San Jose, Costa Rica
 - Won the gold medal at the 2013 International Children’s Games as a team captain in Windsor/Essex, Canada
 - Also competed for the U.S. in beach volleyball, becoming a world champion at the FIVB U17 World Championships and was named Women’s Most Outstanding Player in Acapulco, Mexico
 
Personal
- Daughter of Kevin and Michelle Plummer
 - Has one brother, Kristian
 - Brother played volleyball at Concordia University (Irvine) and was an NAIA national champion
 - Anticipating a major in human biology and a profession as a physical therapist
 - Born in Long Beach, Calif.
 - Full name is Kathryn Rose Plummer