Brown has represented Team Scotland four times as a third at the World Junior Curling Championships. She played third for the Gina Aitken rink at the 2014 and 2015 World Junior Curling Championships, finishing 8th in 2014 and winning a silver medal in 2015. Brown then joined the Sophie Jackson junior team. The team finished in 9th at the in 2016, relegating Scotland to the World Junior-B Curling Championships for the following season. In 2017, the team won the Junior B championships, earning the right to represent Scotland at the 2017 World Junior Curling Championships. At the World Juniors, the team won the silver medal, the second career World Junior silver for Brown.