The International School TIS Early Childhood Campus (preschool)5210 SW Corbett Ave, PortlandPortland, OR, 97239 View Phone & Locations 503-226-2496 TIS Early Childhood Campus (preschool), 5210 SW Corbett Ave, PortlandPortland, OR 97239 503-226-2496 025 SW Sherman StPortland, OR 97201 View Website Experience & Reliability In Business Since: 1990 About Photos & Videos Connect with this Business: Send to My Email Send to My Phone Print this Page