Windhoek International School (known locally as the International School or WIS) is an independent, co-educational, international school located in Windhoek, Namibia. The school provides education from Early Years 1 through to Grade 12. It offers the IB Primary Years Programme and IB Diploma Programme as well as the International General Certificate of Secondary Education. As an IB World School it is the only school in Namibia to offer International Baccalaureate programmes and is the one of the first schools worldwide to be authorised to offer these programmes. The school also boasts an international community of students from 45 different countries. Unlike other schools in Namibia, the International School's school year runs from mid-August to mid-June.