To generate a report card for a class goto 

Menu >> Academics >> Gradebook >> Manage Gradebooks

Follow the below steps -

Step 1. Select the class for which you want to generate the report card.

Step 2. Select the exam that has to be scheduled.

Step 3. Schedule the exam.

Step 4. Enter Marks.

Step 5. Submit marks.

Step 6. Enter the remarks, Attendance, Record information if the settings for the same have been enabled.

Step 7. Generate report card.