All Community Sing-Along is on Dec. 20 FERNDALE — The community is welcome to attend many holiday-related events happening in the Ferndale schools: • Cascadia Elementary Sing-Along Dec. 19 at 9:30 a.m. • Central Strings Concert Dec. 18 at 6:30 p.m. (at Vista Middle) • Central Elementary Sing-Along Dec. 19 at 9:15 a.m. • Custer…