{strip}
{$row.grade}
{if $row.grade != 'K' and $row.grade != 'HS'}
<span class="grade_postfix">
    {if $row.grade == 1}
        st
    {elseif $row.grade == 2}
        nd
    {elseif $row.grade == 3}
        rd
    {else}
        th
    {/if}
</span>
{/if}
{/strip}