About
Code.org is a nonprofit organization on a mission to ensure every K–12 student has access to high-quality computer science and AI education, completely free of charge. The platform supports over 107 million student accounts across 190 countries and has delivered nearly 2 billion Hours of Code and Hours of AI activities worldwide. Designed for both students and teachers, Code.org offers a full curriculum catalog ranging from beginner puzzle-based coding activities to advanced software engineering and AI foundations courses. Its flagship AI Foundations course for high schoolers defines meaningful AI literacy in practice, while Web Lab enables students to build real webpages with AI assistance in a single class period. Teachers benefit from flexible, year-round professional development programs that require no prior CS experience, making it accessible to educators from all backgrounds. The platform has had policy impact across all 50 U.S. states and helped co-author the global AI Literacy Framework with governments and international institutions. Code.org is ideal for school districts, individual teachers, and students who want to develop foundational and advanced CS skills in an AI-driven world. Its Mix & Move with AI activity and Hour of AI events make AI concepts engaging and approachable for young learners. Backed by donors and partners, Code.org provides all its resources to schools at no cost.
Key Features
- Free K–12 CS Curriculum: A full catalog of computer science courses spanning kindergarten through high school, available at no cost to schools, teachers, and students worldwide.
- Hour of Code & Hour of AI Activities: Engaging, self-contained coding and AI activities designed to introduce concepts in a single class period, including the popular Mix & Move with AI activity.
- AI Foundations Course: A flagship high school course that teaches students how AI works, how to reason with it, and how to create with it—establishing a gold standard for meaningful AI literacy education.
- Teacher Professional Development: Flexible, year-round professional learning programs designed for real classroom needs, requiring no prior computer science experience from educators.
- Web Lab with AI: An interactive tool that lets students build real webpages with AI assistance in a single class period, making web development accessible to beginners.
Use Cases
- K–12 teachers introducing computer science and AI concepts to students with no prior coding background
- School districts implementing a free, standards-aligned CS curriculum across all grade levels
- Students participating in Hour of Code or Hour of AI events to explore technology in a fun, engaging way
- Educators seeking flexible professional development to become confident CS and AI instructors
- Schools running web development projects where students build real webpages using AI-assisted tools
Pros
- Completely Free: As a nonprofit, Code.org provides all curriculum, activities, and professional development to schools and students at no cost, funded by donors and partners.
- No Prior Experience Needed: Both students and teachers can start from zero—curriculum and professional learning are designed for beginners with no CS background required.
- Massive Global Reach: With 107M+ student accounts across 190 countries and policy influence in all 50 U.S. states, Code.org offers a trusted, globally recognized platform.
- Covers CS and AI Together: Uniquely integrates foundational computer science with modern AI literacy, preparing students for an AI-driven world rather than treating them as separate subjects.
Cons
- Primarily Designed for K–12: The platform targets school-aged learners and classroom educators; advanced developers or adult learners seeking professional-level training may find the content too introductory.
- Requires Internet Access: Being a web-based platform, Code.org activities and curriculum require a reliable internet connection, which may be a barrier in under-resourced schools.
- Limited Advanced Depth: While excellent for foundational and intermediate learning, the platform may not offer the depth needed for students pursuing specialized software engineering or advanced AI research paths.
Frequently Asked Questions
Is Code.org really free?
Yes. Code.org is a nonprofit and provides all its curriculum, activities, and teacher professional development entirely free of charge to schools, teachers, and students. It is funded by donors and corporate partners.
What age groups or grade levels does Code.org serve?
Code.org serves students from kindergarten through grade 12 (ages 5–18). Its curriculum catalog includes age-appropriate courses for early learners, middle schoolers, and high school students.
Do teachers need prior computer science experience to use Code.org?
No. Code.org's curriculum and professional development programs are designed for educators with no prior CS background. Teachers receive step-by-step guidance and flexible training options.
What is the Hour of Code or Hour of AI?
The Hour of Code and Hour of AI are self-contained, one-hour introductory activities designed to spark interest in computer science and artificial intelligence. They can be completed in a single class period and require no prior experience.
Is Code.org available outside the United States?
Yes. Code.org is used in over 190 countries and supports multiple languages. It has also collaborated with governments and international institutions to shape global AI literacy frameworks.
