Three- and Four-Year-Old Preschool, Sieda Head Start Program, and Oskaloosa Community Preschool Open houses will be held on March 31 at the Webster Building, 508 South 7th Street from 5 to7 p.m. SONshine Preschool (726 North E Street) will also hold their Preschool Open House from 4:30-6:00pm. The required on-line preregistration can be accessed at www.MahaskaYMCA.org on April 12; SONshine’s preregistration can be accessed April 11 at www.sonshinepreschool.org.