div class=ts-pagebuttonPage 1button div class=ts-image amp-img class=ts-thumb alt=Page 1: 2018-2019 Keller ISD Instructional Calendar · Keller ISD Board Approved 282018 21 28 13 12 19 26 14 21 28 August w 15 22 29 November w 28 February w 13 20 May w 15 22 29 10 17 src=https:reader031vdocumentsusreader031viewer20220227135c46f46c93f3c34c55054f8chtml5thumbnails1jpg width=142 height=106 layout=responsive amp-img divdiv