Liebfrauenschule Cloppenburg
First week of classes and it’s good to see our common room blackboards covered in math again! Welcome home to all our mathematicians! #harvardmath pic.twitter.com/Jm7OauGA6r
— Harvard Department of Mathematics (@HarvardMath) September 3, 2025
The central element in any educational space is the writing board; sometimes a “blackboard”, “chalkboard” or a “dry-erase board” — all used for teaching. During today’s session we survey the product and the installation standards with special attention to optics, illumination, mounting heights and distances.
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Some state level procurement and installation standards — Kansas and Connecticut, for example — are de facto standards for visibility, accessibility and mounting hardware.
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School stuff from reindeers to guest readers. We’re having a blast in 2nd grade! 🫶🏼 pic.twitter.com/TnRaWXHRC0
— Jenny (@RiseShineJenny) December 4, 2025
