Yes, you can mass delete the User-defined fields for ALL students at once from the Students menu > Clear UDF Answers.
The User ID must have the Students permission Clear Answers in Student User-defined Fields (UDF).
Yes, you can mass delete the User-defined fields for ALL students at once from the Students menu > Clear UDF Answers.
The User ID must have the Students permission Clear Answers in Student User-defined Fields (UDF).