The British Council Botswana offers IELTS tests in Gaborone, with one test date per month. 

IELTS test fees

Test type Fee Book
IELTS Academic and General Training - paper-based test BWP 3207.20 Book now
IELTS Academic and General Training - computer-delivered BWP 3207.20 Book now
IELTS for UK Visas and Immigration (Academic and General Training) BWP 3359.20 Book now
IELTS Life Skills (A1 and B1) BWP 2280.00 Book now