In 2006, Claxton joined the Seattle Academy, serving as PE teacher and head boys’ varsity basketball coach. Under his guidance, the team won four Emerald City League titles, including the school's first-ever boys’ basketball league title in 2009.[4] In 2011, Claxton earned Emerald City League Coach of the Year honors.[5] In the summer of 2013, he served as head coach at the Jamal Crawford Summer Pro-Am Basketball League.[6]
He left Seattle Academy in 2014 and was named head coach of SC Rist Wedel of the German ProB league. In the 2014–15 season, he led the Wedel team to the ProB finals, where they fell short to Oldenburg. Claxton's silver winning team included Diante Watkins who garnered ProB Player of the Year honors (by eurobasket.com) that year.[7] In his second season at the helm (2015–16), his Wedel team found itself in a fight to stay in the ProB, Claxton guided the team to the top spot in the relegation round. In 2016, playing for Wedel, he won the German senior national championship (for players age 35 and older).[8]
Prior to the 2016–17 season, he was appointed assistant for Turów Zgorzelec of the PLK, Poland's top flight of professional basketball.[9] Claxton was promoted to head coach in November 2017, after the position was vacated by Mathias Fischer who left for German club Walter Tigers Tübingen.[10] He guided the Zgorzelec team to the PLK playoffs, his contract expired at the conclusion of the 2017–18 season and was not renewed.[11]
In July 2018, Claxton was named head coach of BC Prievidza of the Slovak Basketball League (SBL).[12] After four straight losses and no continued salary payments from BC Prievidza, he personally resigned from his position on December 22, 2018. During his tenure, Prievidza had a record of eight wins and eight losses in the SBL.[13] In 2020, he was named the first head boys basketball coach at the newly founded Bozeman Gallatin High School in Bozeman, Montana.[14] Claxton guided his team to the school's first ever Class AA boys basketball state championship in 2024[15] and subsequently was named Eastern AA Coach of the Year.[16]