Khan Academy Programming Curriculum (for CSHS)

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Khan Academy Programming ! [email protected]

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What we teach Languages Uses Java Python C++ Haskell JavaScript Ruby Scheme Games Animation Hardware Robotics Data Science Simulation Mobile Websites Lua No Installation Needed Shareable Fun for Anyone Gateway Drug

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ACE editor JSHint ! BabyHint ! Loop Checker ProcessingJS How students program

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Curriculum

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What we cover Drawing Variables Animation Text Functions Logic Looping Arrays Objects

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How we teach: “Talk-throughs” Uses same environment they program in Making passive instruction interactive! https://www.khanacademy.org/cs/programming/drawing-basics/p/intro-to-drawing

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How we improve talk-throughs Analytics

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How we improve talk-throughs BEFORE AFTER

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How we assess learning: challenges staticTest StructuredJS Esprima

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How we improve challenges Challenges Attempted: 244,168 ! Challenges Completed: 162,858 ! Challenge Completion Rate: 67% Overall Analytics

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How we improve challenges Manual Feedback

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Giving more opportunity for practice: Projects

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(Upcoming) Project peer evaluation

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Advanced curriculum Natural Simulations Games & Visualizations

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Translated curriculum Mostly translated in Spanish, partially in Portuguese/Hebrew (talk-throughs are subtitled, not dubbed)

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Community & Cult(ure)

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Questions & Answers

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Votes and Spin-offs!

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The Hot Programs

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The Characters Hopper (...is a HER!) Winston Oh Noes Guy, the Error Buddy

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...The Avatars!

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Classroom Use

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Self-paced + Paired projects https://www.khanacademy.org/coach-res/reference-for-coaches/teaching-computing/a/pair-programming-in-the-classroom

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Monitoring progress https://www.khanacademy.org/coach-res/reference-for-coaches/teaching-computing/a/tracking-progress-of-programming-students

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Case Study: Lowell Additional projects: TRON, Pong, Hangman, Book https://www.khanacademy.org/teaching-computing/a/programming-case-study-lowell-high-school “Now, I spend much of my time thinking about how to bring out the power of us all coming together in the same room to learn to program.”

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Case Study: Thailand “What’s in the News” ! “Technology Spot” ! CryptoCat for Chat ! Additional projects: Rock-Paper-Lizard-Spock Caesar Cipher Encryption ! https://www.khanacademy.org/teaching-computing/a/programming-case-study-going-beyond-the-ka-curriculum

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Increasing Diversity

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Completion per gender For the ﬁrst challenge: ! Of the people who start it, 34% are female 66% are male ! 86.2% of males complete it (20762/23940) 86.7 of females complete it (10770/12494). http://cs-blog.khanacademy.org/2014/03/challenge-completion-across-gender-and_4.html

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DonorsChoose program khanacademy.org/donors-choose Teachers get $100 codes for each female student, and $500 if 4 complete Experiment groups: $500 code for 4 completing, $500 cash for 4 completing, $0 for 4 completing 1544 teachers signed up ~2000 females completed ~2000 males completed

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The Hard Parts

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Reducing cheating SELECT user_key.name, stashed_code, backup_timestamp from [UserScratchpad]! WHERE stashed_code CONTAINS '"Shawshank Redemption”,'! ORDER BY backup_timestamp DESC; 1) Disable copy/paste 2) De-index solutions