| Name (Jina) | Centre Number (Namba ya Kituo) | Region (Mkoa ) |
| Braeburn International School, Arusha | TZ009 | Arusha |
| St Constantine's International School | TZ010 | Arusha |
| Arusha Modern Secondary School | TZ021 | Arusha |
| Jaffery High School, Arusha | TZ025 | Arusha |
| Arusha Meru International School | TZ033 | Arusha |
| Kennedy House International School | TZ036 | Arusha |
| The Tanganyika Junior School | TZ039 | Arusha |
| Genesis School | TZ004 | Arusha |
| Laureate International School | TZ014 | Dar es Salaam |
| Dar es Salaam Independent School | TZ016 | Dar es Salaam |
| Academic International School | TZ017 | Dar es Salaam |
| Al Muntazir International Exam Centre | TZ023 | Dar es Salaam |
| Aga Khan School, Dar Es Salaam | TZ024 | Dar es Salaam |
| Feza International School, Dar es Salaam | TZ031 | Dar es Salaam |
| Haven of Peace Academy | TZ031 | Dar es Salaam |
| Cordoba Girls Secondary School | TZ034 | Dar es Salaam |
| East Coast College | TZ035 | Dar es Salaam |
| Braeburn Dar es Salaam International | TZ037 | Dar es Salaam |
| Fares Kisingo International School | TZ052 | Dar es Salaam |
| First Years Academy | | Dar es Salaam |
| The Latham School | | Dar es Salaam |
| Iringa International School | TZ026 | Iringa |
| Mount Kilimanjaro | TZ015 | Kilimanjaro |
| Hope International School | | Kilimanjaro |
| Morogoro International School | TZ027 | Morogoro |
| Isamilo International School | TZ020 | Mwanza |
| Mwanza International School | | Mwanza |
| International School of Zanzibar | TZ002 | Ugunja, Zanzibar |
| Feza International School, Arusha | | Arusha |
| Tawi House | | Dar es Salaam |
