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Course

CS50: Introduction to Computer Science (Harvard via edX)

Run by Harvard University

OnlineOnline, ~12 weeksFreeOpenLow effort

About this opportunity

Harvard's legendary intro CS course adapted for high school students. Covers C, Python, SQL, web development, and algorithmic thinking.

Who can apply

Open to all. No prerequisites.

What you get

Certificate

Frequently asked

Who runs this?+

Run by Harvard University. More on their website.

Who can apply?+

Open to all. No prerequisites.

Is it paid?+

Free to apply. No participant fees.

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Updated 14 April 2026·Source