Check the following to see if the issue is resolved:

Check the Report Card to ensure that attendance has been marked to be used and that the correct groups are being used.

1. In OnRecord > Performance > Grading > Report Card Builder click Edit next to the report card.
2. Check to make sure at least one group is checked off.
3. Also check to determine if any Attendance types (Absent, Tardy, etc) are checked off.

Attendance on Report Cards is driven by the Attendance Record Method.
As an Attendance Manager:
  1. Navigate to onRecord.
  2. Select Settings > Attendance.

The applicable absences are indicated by a red "swoosh" on the Attendance tab of the Student's Academic Profile. If there is no red "swoosh" icon for a student's attendance, this indicates that the absences were either not recorded during the meeting time as set on the Record Method screen, or the Schedule Set selected on the Record Method screen is NOT the schedule set the class is tied to (where the absence was recorded).