Use GAT+ to see all Google Classrooms of your domain, check all the submissions send by your students.
Open GAT+ and navigate to Classrooms
In Classrooms see all the classrooms created in your domain. Filter results by selecting created to filter by time of when they were created
Select Classwork submissions, to see all the submissions by the students.
Pressing the play button will start extras scan for ( classwork, classwork submissions and guardians) if it is not up to date.
Notice, it shows the same Class and Classwork but different Submission ID, as the Students are different.
The state for those submissions could be new, created, turned in, returned, reclaimed or unspecified.
The type could be Multiple choice questions, assignments, short answer question and unspecified
You can apply and filter by each of those categories such as submissionid, class, classwork, students, state and so on.
As an example, we search for returned assignments by the students.
Apply filters – search for Type of work equals to Assignment, the state is equal to Returned, updated after the start of the year.
This will display all the results who fall into the search parameter
In this table, you can select the eye icon under actions to individually check additional info for the submission.
All this data can be exported into a Google Spreadsheet or CSV file.
The spreadsheet then can be filtered to show Assigned grades for each student for each individual submission.