Here is a great spreadsheet form that I created to track student attendance on any standardized assessment you might be giving across your school.
Such assessments might include:
Simply input student names, and duplicate tabs at the bottom of the page to add test proctors/administrators. My teachers keep track of students present and absent so that I readily know who needs to take a make-up test. All fields are editable so you can adjust the form as necessary for each unique assessment.
You can also note accommodations so that teachers know which students need extended time, small group, etc.
(Also, check out my product listings, as I have a great Accommodations tracker on here as well)