Daniela plays new series lead character Lorraine Donnegan, a philanthropist and driven businesswoman, who is a former pupil of the new school headmaster.
Lorraine has made her fortune and is now determined to contribute to the future of education at Waterloo Road. However, her hands-on involvement may prove questionable among staff and pupils.
Mark Benton also reprises his role as mathematics teacher Daniel Chalk.
Amiera Darwish also features.
A preview clip featuring Lorraine's arrival at the school can be viewed below.