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CodeHS vs PhET Simulations
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STEM Education Platforms
Overview
Focus
STEM Education Platforms
STEM Education Platforms
Product
CodeHS is a comprehensive coding curriculum platform for K-12 schools providing courses, tools, and resources for computer science education.
Free interactive math and science simulations from University of Colorado providing research-based educational activities.
Headquarters
San Francisco, California
Boulder, Colorado
Company size
51-200 employees
11-50 employees
Founded
2012
2002
Pricing details
Published rate
Free
Free options
Free plan, Free trial
Free plan
Source updated
Nov 2, 2026
Oct 29, 2026