The ICO has published two updates on exam script exemption and access to teacher assessments during the coronavirus pandemic.
This link id for organisations: https://ico.org.uk/global/data-protection-and-coronavirus-information-hub/exam-script-exemption/
And this link is for members of the public: https://ico.org.uk/global/data-protection-and-coronavirus-information-hub/exam-script-exemption-students/