[2] Exclusive Autosport signed karting driver Kaylee Countryman who will make her open-wheel racing debut with the team.
[9] Jay Howard Driver Development signed JT Hoskins to a full-season campaign after racing with the team for the last three rounds last season.
[12] The team also signed Vilho Aatola, Karel Staut and Harry Moss, all of whom will make their open-wheel racing debuts with JHDD as well as Liam Loiacono who joins USF Juniors after competing in the Australian Formula Ford Championship.
The championship will visit a majority of the same circuits as in 2024, with the exception of Virginia International Raceway being replaced with two more rounds at Mid-Ohio.
[24] All rounds except the weekends at NOLA, Mid-Ohio races 7–8, and Road America will run in support of the IndyCar Series.