Some free resources and two-tiered pay structure. Teacher support with online tutors. Curriculum progression 6-12. "CodeHS is a comprehensive teaching platform for helping schools teach computer science. We provide web-based curriculum, teacher tools and resources, and professional development.The mission of CodeHS is to empower all students to meaningfully impact the future. We believe that in the 21st century, coding is a foundational skill, just like reading and writing. That’s why we say: Read, Write, Code. We do this by providing great curriculum, tools, and resources to teachers, students, and schools to implement high quality computer science programs. We believe that everyone should get the chance to learn coding, and that it’s a skill that provides limitless creative opportunity to students. We want to help make computer science education fun and accessible, and believe you need both great tools as well as a great community to make this happen. We do this through our support for teachers, students and schools, with the help our dedicated team and amazing tutors. "