<!-- Generator: Adobe Illustrator 18.1.1, SVG Export Plug-In . SVG Version: 6.00 Build 0) -->
<!-- License: CC0. Made by SVG Repo: https://www.svgrepo.com/svg/175711/classroom-tribune -->
<svg version="1.1" id="Capa_1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" x="0px" y="0px"
viewBox="0 0 284.998 284.998" style="enable-background:new 0 0 284.998 284.998;" xml:space="preserve">
<path color-rendering="auto" image-rendering="auto" shape-rendering="auto" color-interpolation="sRGB" d="M167.499,0
c-5.523,0-10,4.477-10,10s4.477,10,10,10c1.957-0.002,3.871-0.579,5.504-1.658l9.559,4.779v21.877H37.497
c-2.762,0.001-5,2.241-4.999,5.002c0,0.408,0.05,0.815,0.149,1.211l20,80c0.674,2.678,3.392,4.302,6.07,3.628
c2.219-0.559,3.776-2.553,3.779-4.841v-55h160v55c0,2.762,2.239,5,5.001,5c2.294,0,4.294-1.562,4.851-3.787l20-80
c0.67-2.679-0.96-5.394-3.639-6.064c-0.397-0.099-0.804-0.149-1.213-0.149h-54.936v-24.6c0.148-2.051-0.974-3.983-2.828-4.871
l-12.256-6.129C177.16,4.12,172.787,0.002,167.499,0L167.499,0z M43.902,54.998h197.193l-8.598,34.389V69.998c0-2.761-2.239-5-5-5
h-170c-2.761,0-5,2.239-5,5v19.381C52.497,89.379,43.902,54.998,43.902,54.998z M77.497,84.998c-2.761,0-5,2.239-5,5v136.91
l-17.236,8.619c-2.469,1.238-3.467,4.242-2.229,6.711c0.847,1.69,2.575,2.758,4.465,2.759h170c2.762-0.003,4.998-2.243,4.996-5.005
c-0.002-1.891-1.069-3.618-2.759-4.466l-17.236-8.619V89.998c0-2.761-2.239-5-5-5H77.497z M82.497,94.998h120v135
c0,1.894,1.07,3.625,2.764,4.473l1.055,0.527H78.679l1.055-0.527c1.694-0.847,2.764-2.579,2.764-4.473
C82.497,229.998,82.497,94.998,82.497,94.998z M47.497,254.998c-2.761,0-5,2.239-5,5v20c0,2.761,2.239,5,5,5h190
c2.761,0,5-2.239,5-5v-20c0-2.761-2.239-5-5-5H47.497z M52.497,264.998h180v10h-180V264.998z"/>
</svg>