The Vice Society, a hacking group that often targets US schools, has released stolen confidential data relating to several UK schools:
Schools hit by cyber attack and documents leaked – BBC News
Student, parent and staff information was compromised and included pay and contract details, passport scans and pupil special education needs. The BBC article has the full list of schools hit by the attacks.
Further Reading
The US government Cybersecurity and Infrastructure Security Agency (CISA) released a joint cyber security advisory about The Vice Society in September 2022, that looked at the hacking group operations and suggested a number of steps organisations can use to protect themselves: