text: 131.54             62.30       9   6th and 7th grade            115.58           112.37             54.83       10  5th and 6th grade            133.58           131.54             62.30       11  6th and 7th grade            115.58           112.37             54.83              crawford  gulpease_index   osman      0      -0.2            79.8  116.91      1       1.4            72.1  100.17      2      -0.2            79.8  116.91      3       1.4            72.1  100.17      4      -0.2