Registration will open on October 23 for Clark University’s Fall Splash — a one-day program offering many dozens of classes for students in Grades 5-12, to be held November 19, 10AM-5PM, on the Clark campus (950 Main St., Worcester). The classes are taught by Clark student volunteers. Each student should create his/her own online account and then register as soon as possible because classes fill up. The day is free, with lunch included. For more information, email clarkuesp@gmail.com.