In the 2014–15 JGP series, McNamara/Carpenter won bronze in Ostrava, Czech Republic and silver in Dresden, Germany, finishing as second alternates for the JGP Final. In January 2015, they won the junior titles at the Toruń Cup and then at the 2015 U.S. National Championships. In March, they were awarded the silver medal at the 2015 World Junior Championships in Tallinn, Estonia. Third in both segments, they finished second overall to Russia's Anna Yanovskaya / Sergey Mozgov by a margin of 9.09 points and ahead of Ukraine's Oleksandra Nazarova / Maxim Nikitin by 0.82.