Oakdale

Squire began her netball career with Oakdale. After retiring as an Adelaide Thunderbirds player she returned to Oakdale, as Peta Scholz, and played for them in the South Australia state league. In 2009 she helped Oakdake win their first state league title.^{[4][5][6][8][9][10]}

Mobil Superleague

During the Mobil Superleague era, Squire played for both the Australian Institute of Sport and Garville. While playing for the AIS in 1994 she switched from goal defence to wing defence. This would become her regular position throughout her career.^[4][11][12]

Adelaide Thunderbirds

Between 1997 and 2007, Scholz made 169 appearances for Adelaide Thunderbirds in the Commonwealth Bank Trophy league.^[4][13] She was a prominent member of the Thunderbirds teams that won five successive minor premierships between 1997 and 2001. She also played in six successive grand finals between 1997 and 2002, helping Thunderbirds win premierships in 1998 and 1999.^[14][15][16] In 2002, 2003, 2004 and 2007, she was named in the Margaret Pewtress Team of the Year.^[17][18][19] Between 2004 and 2006, together with Laura von Bertouch, she co-captained Thundersbirds.^{[1][13][17][20]} In 2006 she played in her 150th Commonwealth Bank Trophy match.^[17][21] She retired as a Thundersbirds player after the 2007 season.^[4][17][19] Her 169 appearances (649 quarters) was the second highest tally in the Commonwealth Bank Trophy league after Liz Ellis.^[4][22]

Waikato Bay of Plenty Magic

In 2010 and 2011, Scholz played for Waikato Bay of Plenty Magic in the ANZ Championship.^[23] She signed for Magic in October 2009 after impressing while playing for a World 7 team in an international test series against New Zealand.^{[5][6][7][24]} On 8 May 2010, during a Round 8 match against Central Pulse, Scholz suffered a season ending injury.^[25] She was subsequently replaced in the squad by Jade Clarke.^[26] She returned to play for Magic during the 2011 season.^[27][28]

International

Australia

Between 1998 and 2004, Scholz made 54 senior appearances for Australia. She was a member of the Australia team that won the 1996 World Youth Netball Championships. She made her senior debut for Australia on 27 February 1998 against New Zealand. She was subsequently a member of the Australia teams that won the gold medals at the 1999 World Netball Championships and the 2002 Commonwealth Games and the silver medal at the 2003 World Netball Championships.^{[2][29][30][31]}

Tournaments	Place
1996 World Youth Netball Championships[29][30]
1999 World Netball Championships[32][33]
2002 Commonwealth Games[4][34][35]
2003 World Netball Championships[36]

World 7

In August 2009, Scholz played for a World 7 team, coached by Julie Fitzgerald, that defeated New Zealand 2–1 in the 2009 Taini Jamison Trophy Series.^{[8][24][37][38]}