It will be the German star's second season in the competition having featured in its inaugural 2023 campaign, taking victory in Race 2 at Zandvoort.
Schreiner said: “I am proud to represent this team and the Sauber Academy in F1 Academy this year. After an exciting first season, I'm looking forward to getting back to work. Sauber has an impressive motorsport history and I want to play my part in continuing its success story in F1 Academy.
"My goal for this season is only one: to win, and to do so flying the flag for the team, while generating more awareness for women in motorsport. F1 Academy is a great platform to realise my ambitions, and I am highly motivated to achieve new milestones with our team and Campos Racing.”
Schreiner will race for Campos
Schreiner will feature in one of Campos Racing's entries, while representing the Sauber team colours.
Team principal Adrian Campos added: “We are delighted to welcome Carrie to the team, and to begin a new collaboration with Sauber. Both our outfits boast vast experience in nurturing and raising the champions of tomorrow, and we cannot wait to get started.
"Carrie showed great promise in her previous racing experiences, and we are ready to support her as we go for gold in the 2024 F1 Academy season.”