Computer Science Classes for Grades K-12

Teach computer science the easy way with Rex K-12’s all-inclusive CS k-12 curriculum and browser-based platform.

k-12 Curriculum

Built for Educators

Teach a standards-based CS curriculum — no experience needed.

Loved by Students

Let students express themselves and achieve dreams through coding real projects.

k-12 Curriculum
Data Visualization Game Development

Why Teachers Love Rex

Credential-Ready, Grade-Appropriate, Standards-Aligned

Founded by a mother who is a tech professional and designed by educators, for educators – Rex K-12’s curriculum is built around state education standards. With content for every age group, students can get a head start in elementary school, or prepare for real-world career certification in high school. With everything you need, from lesson plans to courses on topics such as cybersecurity and game development, you’ll be able to ensure that students are learning what you want. Can’t decide? You’ll get expert guidance from our team.

A Teacher Facilitated Turnkey Solution

Get started in minutes. There’s no complicated setup or software to install. With single-sign-on and an intuitive, browser-based interface, students can start learning right away. Yes, it’ll work on Chromebooks, at home, or anywhere with internet access. Fully browser-based, the Rex learning platform allows students to log in and get started right away—no setup required! The platform will check their code in real time as they follow along with the educator.

k-12 Curriculum
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Aligns with state and national education standards.

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Accessible in the classroom, at home, in summer camps - anywhere with internet.

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Dual Credit

High school students may be eligible for college credit at the University of Wisconsin-Milwaukee.

STEM Careers

Data Visualization Game Development

Science, Technology, Engineering, Math, and Fun

Start preparing students for the careers of the future. With classes starting as early elementary school, Rex K-12 puts students ahead of the curve.


Computer science is a key component of well-rounded STEM and STEAM education, that helps students connect STEM concepts to the technologies they use every day.

College and Career

Computer science is projected to be one of the key college career and military readiness skills of the future. Prepare students with the top career skills of the future, and help them earn real certifications from Oracle, Microsoft, and CompTIA.


Students learn step-by-step as our coding platform verifies code in real-time so students get immediate feedback. Teach computer science even if you’ve never written a line of code. From lesson plans to grading, we’ve done everything for you.

Did you know?
Data Visualization Game Development

95% of Rex K-12 Students Surveyed Went on to Major in Computer Science

It’s true! Rex K-12 breaks down barriers — like the perception that computer science is boring, difficult, or “only for boys.” With classes like “Become a YouTuber” and “Game Development” students get to create real games, programs, and more.


Rex K-12 is interactive and fun. Gone are the days of passively watching videos. Students learn and program as if they're playing videogames. Students get instant feedback and correct their code as they go via a system that verifies their work as they progress.


Some students dream of making videogames. Others want to become YouTubers. The Rex learning platform and course content pathways are adaptable to a variety of learning styles and customizable to different students’ interests.

Popular Classes

Data Visualization Game Development

These Are Just Some of the Rex K-12 Computer Science Curriculum Classes

The Rex platform and curriculum were created by education and computer science experts, using the latest research in how students learn. Instruction is aligned to state standards.

k-12 Curriculum

Fully Integrated

Data Visualization Game Development

Find Your Fit

Rex K-12 comes customized and ready to integrate into to your districts’ unique instructional strategy. Incorporate Rex K-12 into an existing class, introduce it as a stand-alone class, or include it as a specials rotation.

All instructional resources included.

Try Rex Today

Data Visualization Game Development

Get started now. Connect with us for a free demo.

Try any of our courses.