JAMB UTME Registration Form for 2020/2021. The Joint Admissions and Matriculations Board, JAMB Has Announced Date JAMB Admission Form Registration Date for 2020/2021. JAMB Admission Form>> The Joint Admissions and Matriculations Board is a Nigerian entrance examination board for tertiary-level institutions. The board conducts entrance Unified Tertiary Matriculation Examination for prospective undergraduates into Nigerian universities.