In short, yes. We know of many home educated children from Northern Ireland who have taken exams and gone on to higher education. The Home Ed Exams Wiki (along with the Home Ed Exams and Alternatives Facebook group) is the best place to start your research, and through our Facebook page you will be able to find other local parents who have helped their children through this for advice and support.
The EA have exam information for 2021 here- https://www.eani.org.uk/services/elective-home-education#public-examinations-2021 and ask that queries and applications are sent to EHE.Exam.Enquiries@eani.org.uk
Update 24/02/21 – https://hedni.org/2021/02/24/exam-worries/