|High School:||Silverado HS|
2010: Mellies started all 31 matches for the Redhawks her final year. She led the team in assists with 1,262, a new single-season record, and was second in service aces with 25. Her 238 digs were enough to put her third on the team, and she added 66 total blocks as well. At Gonzaga (Sept. 18), she earned 58 assists, one of 27 matches with at least 30 assists. Her season high of three service aces came Aug 28 against Mercer, and she notched 14 digs Sept. 10 against Cal State Northridge.
2009: Jamie played in all 28 matches and 99 games during the season, stacking up 864 total assists for an average or 8.73 per game. She was second on the team in service aces (19) and digs (205, 2.05 per game), and finished with 38 kills for the season. She scored 30 or more assists in 15 matches during the season, tieing last season's high of 56, this time against CSUB on November 1. That proved to be her best performance of the season, as she finished with 4 kills, 4 service aces, 10 digs, and 7 blocks for the Redhawks.
2008: Jamie continued to show her leadership as the team's setter, finishing with 1,023 assists, the fourth time a Seattle University player collected at least 1,000 assists in a season. She is now second all-time in school history with 2,011 career assists. She reached the 50-assist mark four times during the season, including a season-high 56 assists at Idaho State on October 31. Against Seattle Pacific on November 12, she finished with 54 assists, two kills, two service aces, ten digs, and seven total blocks. Jamie was also second on the team in digs with 258, second in service aces with 33, and third in total blocks with 73. She was named to the All-Tournament Team at the Nevada Tournament, earning 31 assists, three aces, and 16 defensive digs against the host Wolfpack on September 7.
2007: Mellies was named GNAC Co-Freshman of the Year after finishing fifth in the conference with 10.62 assists per game. Her 988 total assists and assist average are both the fourth-highest in a single season in SU history. She also picked up 245 defensive digs and 18 service aces during the season. She posted the third-highest single match assist total in school history with 68 assists in a five-game match at Northwest Nazarene on Sept. 8. She also earned 55 assists on three different occasions: against Western Oregon on Sept. 13, at Alaska Fairbanks on Sept. 22, and at Saint Martin's on Oct. 11. Against regional power Chico State on Aug. 25, she finished with 49 assists, 25 digs, and four block assists.
Silverado HS: Mellies was a two-time team MVP and 2006 region MVP as she led the Skyhawks to an undefeated regular season in three consecutive years. The team won the regional championship in 2004 and 2006 and reached the state championship match in 2006. She was a three-time First Team All-Conference selection in volleyball and also earned First Team All-Conference honors in soccer three times.
Personal: Born July 10, 1989, Mellies is the daughter of Roger and Sherri Mellies. She is majoring in civil engineering with a minor in mathematics.