In many countries around the globe, school leaving examinations and admissions tests are postponed or canceled because of the Covid-19 virus.

Indonesia
Indonesia scraps national exams due to COVID-19
UK:
Cancelled exams to be replaced by teacher assessments 
Netherlands:
Minister scraps central exams; school exams to determine pass or fail
Scotland
Update on school closures and exams
USA/ International
College Board Coronavirus Updates (SAT), ACT

Check the website of your examboard and/ or your government for the latest updates.