The Open University is the largest university in the UK, offering distance learning education to those pursuing higher education on a part-time basis. It is funded through student fees as well as government support. The OU aims to provide accessible education for all, including those with health disabilities, through distance learning methods like online and printed materials supported by tutors. Students can study modules across a range of subject areas to earn undergraduate or postgraduate degrees and certificates. Assessment includes exams and coursework graded on a scale of 1 to 5.