pan><span class="n">columns</span><span class="o">=</span><span class="p">{</span>
            <span class="s2">&quot;number_of_students&quot;</span><span class="p">:</span> <span class="s2">&quot;students_n&quot;</span><span class="p">,</span> 
            <span class="s2">&quot;grade_level&quot;</span><span class="p">:</span> <span class="s2">&quot;grade&quot;</span><span class="p">,</span>
            <span class="s2">&quot;number_of_classes&quot;</span><span class="p">:</span><span class="s2">&quot;clas