| West Africa Secondary School | |
| Location: | Adenta |
| Streetaddress: | P. O. Box LG 298, |
| Region: | Greater Accra Region |
| City: | Accra |
| Country: | Ghana |
| Coordinates: | 5.7064°N -0.1744°W |
| Denomination: | Non-denominational |
| Founder: | Rev. J. C. Tettey and Emmanuel Addo |
| Head Of School: | Ofori Antwi |
| Head Label: | Headmaster |
| Gender: | Boys and girls |
| Lower Age: | 12 |
| Upper Age: | 18 |
| Houses: | 5 |
| Schooltype: | Co Educational |
| Type: | Public High School |
| Fees: | Regulated by Government |
| Slogan: | gbotsui ....3mashi |
| Motto: | Faith, Industry, Wisdom |
| Nickname: | WASS |
| School Colours: | blue, red and yellow |
| Established: | 1946 |
West Africa Senior High School (WASS) is a second-cycle institution located at Adenta in the Greater Accra Region of Ghana.[1] The school is a government assisted, mixed day and non-denominational institution providing a three-year senior high school education.[2] The school was founded in 1946 by Rev. J. C. Tettey and Emmanuel Addo.
The school started in Tudu as the West Africa College of Commerce in 1946. In 1954, the school was absorbed into the public system as a Government-Assisted school.
West Africa Senior High School has a total students population of 1639 of which 49% are girls and 51% are boys.