Head over to the Teacher Dashboard, and select Work programmes > view understanding
Select your class from the drop down box in the top left hand corner
Select the name of the student you'd like to set a baseline assessment for from the select a student box on the left hand side (their name should then be highlighted in blue)
Once the student is selected, scroll down and click on Set Baseline that appears below
You will then be asked to confirm this by clicking on Set baseline assessment. When the child next logs into the app, their account will be in baseline assessment mode.
For more information on baseline assessments, please see here.