2020 Prince William - Manassas Regional Science and Engineering Fair The 2020 Prince William-Manassas Regional Science and Engineering Fair for Middle/Senior Divisions will be held at the Kelly Leadership Center on Saturday, March 7. The public may view students' projects from 7:30 - 8:30 a.m. on March 7, 2020. The award ceremony for the middle division will take place from 4 - 5 p.m., and senior division awards will be presented from 5:15 - 6 p.m. Award ceremonies will be held in the School Board meeting room (room 1100). For more information, please visit our Science Fair webpage.