Junior Division 2021 Fair: 2021 Mercer Science and Engineering Fair Event Details Junior Division Details Fair Dates Registration Aug 1 2020 - Mar 7 2021 Award Ceremony Mar 20 2021 | 1:00 - 2:00pm Open House Mar 27 2021 | 1:00 - 2:00pm Event Registration Please log in or create a new account to access the online registration system.