Google Script code for copying a file for every student in the class.

copyfileforclass

function myFunction() {
  // Usercan copy the current file with a new name.
  var ui = DocumentApp.getUi();
  var newFileName = "";
  while (newFileName != "Q"){
    if (newFileName != "Q")
    {
      Logger.log('File name is not Q');
    }else
    {
      Logger.log('File name is Q');
    }
    var response = ui.prompt('File Copier', 'Type a new and click yes to copy the current file with that name', ui.ButtonSet.YES_NO);
    
    // Process the user's response.
    if (response.getSelectedButton() == ui.Button.YES) {
      //copy file
      // Get the document to which this script is bound.
      var doc = DocumentApp.getActiveDocument();
      var destFolder = DriveApp.getFolderById(doc.getId());
      DriveApp.getFileById(doc.getId()).makeCopy(response.getResponseText())
    }
    else if (response.getSelectedButton() == ui.Button.NO) {
      newFileName = "Q";
    } else {
      Logger.log('The user clicked the close button in the dialog\'s title bar.');
      newFileName = "Q";
    }
  }
}