USO demands the reinstatement of salaries frozen in 2020 and 2021 in state-funded schools. Society | 21/10/2025
![USO is the largest union in private schools and for public religion teachers.](data:image/svg+xml,%3Csvg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 16 9"%3E%3C/svg%3E)