The Examinations Office, which is run by the Examinations Officer, is tasked with the critical task of running both internal and external examinations for the college and for external candidates who wish to sit for the June and November examinations. It is the responsibility of the office to ensure that all examinations are conducted using the best practices and regulations determined by the various examination boards. Consequently, the office has the mandate and responsibility to maintain the credibility of the examinations and the reputation of Watershed College.

The Office is also responsible for all communication with stakeholders on all matters concerning examinations. Watershed College offers examinations under the auspices of Zimbabwe Schools Examinations Council (ZIMSEC), Cambridge Assessment International Education (CAIE) and The Associated Board of Royal Schools of Music (ABRSM).