First of all, create your assessment.
As soon as you set the assessment they will see a picture of a big clock on their main city page.
(if the student is playing a game when the assessment is set, it will appear once they have finished the game).
All they need to do is click on the clock to begin. When students take an assessment, they will be rewarded with bonus coins for each correct answer. They will have the option to review and change their answers before submitting.
The clock will appear for as long as the assessment is set.