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Master Coding 
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We teach K-12 students around the globe how to code for free.

100% free
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Signup Now to be a Student!

Sign up for Code 4 Tomorrow's free computer science classes! We offer courses in Java, Python, Scratch, Web Development, Machine Learning, JavaScript, and C for beginner to advanced students.

Upcoming Sessions

Fall 2026 · Online

Starts the first week of November

One 1.5-hour class each week for 6 weeks, completely free. Sign up by October 25 to save your spot.

See what each class covers

Winter 2027 · Online & In Person

Starts February 2027

Exact dates are coming soon. Along with our online classes, Winter 2027 will include in-person classes.

Have a space we could teach in? If your school, library, or community center can host a class, we'd love to hear from you. Reach out to us.

Fall 2026 flyer: free online coding classes. Intro to Python on Mondays 7:30–9:00 PM EST, Android Studio app development on Wednesdays 8:00–9:30 PM EST, programming with Scratch on Saturdays 5:00–6:30 PM EST, and intermediate ML and model evaluation on Sundays. Sign up at code4tomorrow.org before October 25.

Parent & Alumni Testimonials

Read what the Parents & Graduated Students are saying...

"My teacher was very good. He talked at a very understandable pace and was easy to understand. "

Ayman

"My teacher was very good. They made sure we understood the concepts, and were open to questions."

Kunsh

"Extra sessions for missed session or additional Q&A or review was above and beyond service delivered"

Halima

"Yes the teachers were always present to answer questions and help with extra session."

Kim Ly

"Very good. Student asked questions and got answers right away"

Hanh Ha

"Both times, instructors have been engaging, patient and attentive. They are awesome. "

Beatriz Olazaba

Consider Supporting a STEM Initiative.

If you would like to support our efforts to make STEM education accessible to all, please consider donating.

Every bit Matters

Let's Build a Partnership.

At C4T, we believe in the power of partnership. We know it will take a large coalition of change-makers in order to have the greatest impact. This is why we collaborate with other non-profit organizations to bring STEM-related opportunities to students.