Original sentence: Uncertainty over how long the school could continue to offer the European Baccalaureate programme during the protracted withdrawal negotiations led the Europa School UK to cease offering the European Baccalaureate following the 2020 graduation, and to secure accreditation to offer the International Baccalaureate Diploma Programme from the 2020-2021 academic year onwards
Edited sentence: Uncertainty over how long the school could continue to offer the European Baccalaureate programme during the protracted withdrawal negotiations, due to the UK government's recalcitrant behaviour, led the Europa School UK to cease offering the European Baccalaureate following the 2020 graduation, and to secure accreditation to offer the International Baccalaureate Diploma Programme from the 2020-2021 academic year onwards