Report to find Unexplained Absences (N codes)

When looking at attendance certificates, changing attendance marks or analysing attendance, you may come across N codes where he reason for the absence has not been provided.

In this article, we'll go through how to find all your unexplained absence N codes. If you instead want to find missing attendance where no mark was recorded, please see this article: Find and add missing attendance marks


To find attendance marks, you'll need the Attendance: Administer All Students permission. If you don't have this permission, ask your admin team to assign it to you.


Finding the N codes or other absence codes

From the same page as you can follow up with guardians from

You can report on students that have the No Reason (N) mark (or any other statistical absence attendance code) by heading to Students > Attendance > Absentee’s > Absentees by Date.

This table will automatically display today's absences, but you can select a different date range using the filters at the top of the page.



Click into the filters. In the Specific Marks dropdown select the No Reason (N) mark, then Apply.



You'll then only see a report of the N codes.



What do the colours mean?

For the Mark column, orange marks are authorised absences, and red marks are unauthorised absences.

For the Days column, we will colour the cell in orange if the student was (or has been as of the filter date) absent for a single day.



From your raw attendance marks report

You can also report on students that have unexplained absences from Students > Attendance > Admin > Raw Attendance Marks and click into the filters at the top of the page.

In the Specific Marks dropdown select the No Reason (N) mark



What's next?

Now you've identified the N codes, you can take action with them. If no reason for an absence is provided after a reasonable amount of time, schools are usually expected to change the N to O.

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