2. Learn computer science.
      Change the world.
      Professional Learning is still on! Applications are openfor Middle and High School teachers!
      40%
      of U.S. students have accounts on Code.org
      20M
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      87M
      projects created on Code.org
      1M
      teachers use Code.org
      50
      All 50 states support computer science
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2019年偷偷鲁在线视频