Wasio Mixed Secondary School was started in 1999. The first principal, Mr. Daniel Obado reported on 22/01/1999. The land on which the school is situated was donated by the late Gideon Mathere.
The school remains indebted to the following elders for their immense contributions which have made the institution reach where it is today.
The school is found in Suna East sub-county in Migori County. It is located about 4km from Kakrao Centre along Kakrao - Ogwedhi road in God Jope ward.