Washington County, Oregon PRESCHOOLS Washington County, Oregon PRESCHOOLS Search | Advanced Search | New Members | Coupons and Discounts | All Categories Sort alphabetically by... Name City Little Thinkers ABC _ 2435 SE 57th Ct.Hillsboro, OR 97123 (503) 462-8374 Learn More | Show on Map Hillsboro Parent Preschool _ 168 NE 8th AveHillsboro, OR 97124 (503) 648-4781 Learn More | Visit Site | Show on Map If your business isn't here, contact us today to get listed!