by Lee Trampleasure.
Notice the word checked is in the selected cell.
I'll look deeper to see if I can fix this.
In looking at the HTML for the student view, I found the following markup for the cells I checked:
<td id="rubric0-criteria-35-levels-129" class="level odd checked" width="20%">
vs the unchecked cell:
<td id="rubric0-criteria-35-levels-131" class="level odd" width="20%">
Notice the word checked is in the selected cell.
I'll look deeper to see if I can fix this.