To edit teacher's records on admin dashboard, please follow the steps mention below: 

- Go to Dashboard and click on Users > Teachers > “List all Teachers”.

- Click on edit icon available under Action column.

- Edit required details and click on save.

Export Button
There is an export button on the extreme right. By clicking on it all the records are transferred to an Excel file, you can take a printout of it and use it as per your requirement.

If you are unable to view the EXPORT button on screen, then please refer to below attached help article:

How to Enable EXPORT button on screens