Wauwatosa East High School is a comprehensive four-year public high school in the city of Wauwatosa, Wisconsin. It is part of the Wauwatosa School District. The school was originally known as Wauwatosa Senior High School until the opening of Wauwatosa West High School in September 1960. The first graduating class of Wauwatosa East High School was in June 1962. Today, the school is often colloquially referred to as Tosa East.