Attendance Tracker By OneTap Demo 

Attendance tracker by OneTap for Google Sheets™
This free add-on makes it super simple to take attendance on Google Sheets™
Create a pre-populated sign-in template
Auto mark attendance
Take manual attendance
Great for class attendance.
Designed in mind for teachers, schools, and classrooms.
Disclaimer -
Google Sheets™ web-based spreadsheet program is owned by Google LLC