Who Can Use ESGI? Q:Who can use ESGI? Which grade levels?A:ESGI can be used by any teachers who assess one-on-one, typically pre-K to 2nd grade. We have pre-loaded ESGI with common assessments. Here is a list of pre-loaded assessments. However, the beauty of ESGI is that you can add your own tests to match your current assessments. Here is a link to our Help Site showing how to add a test. Have more questions? Submit a request 0 Comments Article is closed for comments.