John Knox Presbyterian Church, 7421 Amarillo Rd., Dublin. Sunday worship service at 9:30 a.m. Sunday school for ages 3-18 during worship. Adult education Sundays at 11:00 a.m. Jr. High youth group Sundays 4:00-6:10 p.m. High school youth group Sundays 5:50-8:00 p.m. www.jkpcdublin.org (925)828-1846.