2020 Junior Fairboard Application (fillable pdf) For 4-H and FFA youth interested in serving on the Fairfield County Junior Fair Board. Membership is open to youth between the ages of 14 and 18 years old. New members must be 14 years old by October 1st of the current year to serve. Applications are due 1/10/2020 by 4:00 p.m. to the Extension Office for 4-H and FFA youth who are interested. Additionally, returning members must submit an application.