Our Mission The Windhoek International School prepares its students to be inquiring, knowledgeable and caring participants in the global arena through an international curriculum of the highest standard. WIS embraces the diversity of its students from the international community and Namibia, in an atmosphere of mutual respect, tolerance and educational enrichment for all. WIS also recognizes its role as part of the broader educational community in Namibia and seeks to contribute to the country's further development.