| Half Assini Senior High School | |
| Location: | Half Assini, Western Region |
| Streetaddress: | P. O. Box 60 |
| District: | Jomoro Municipal |
| Country: | Ghana |
| Coordinates: | 5.05°N -2.8833°W |
| Category: | B |
| Oversight: | Ministry of Education |
| Founder: | Kwame Nkrumah |
| Headmaster: | Mr Patrick Adjei-Ampaw |
| Classes Offered: | Business, general arts, general science, home economics, visual arts |
| Avg Class Size: | 55 |
| Gender: | Co-educational |
| Lower Age: | 12 |
| Upper Age: | 18 |
| Houses: | 4 |
| Schooltype: | Public high school |
| Language: | English |
| Motto: | Only the best is good for Africa |
| Accreditation: | Ghana Education Service |
| Nickname: | Osagyefo mba |
| School Colours: | Blue, yellow and white |
| Mascot: | Porcupine |
| Status: | Active |
| Alumni: | Half Assini Secondary School Old Students Association (HASSOSA) |
| Enrollment: | 2,600+ |
Half Assini Senior High School is a coeducational senior high school located at Half Assini in the Western Region of Ghana.[1] [2]
The school was one of the schools founded by the first president of Ghana, Dr. Kwame Nkrumah. He founded the school with sixty students and four teachers. The school was among the few early established schools in the country (Modern Ghana) and it attracted the best of brains across the continent. Most of the infrastructure in the school now was originally put up by Nkrumah, and sincerely it had one of the best science resource centers in the country at the time.
The school has about 1,600students.