# 2Sigma School > 2Sigma School is an accredited online school offering credit-bearing courses in Computer Science, Data Science, Artificial Intelligence, Cybersecurity, and Mathematics for students in grades 7-12. Accredited by Cognia, UC A-G approved, NCAA approved, and College Board authorized for AP courses. ## Courses - [Course Catalog](https://2sigma.school/d/courses): Overview of all courses with prerequisites, grade levels, and descriptions - [AP Computer Science A](https://2sigma.school/d/ap-csa): College-level Java programming (grades 10-12, prerequisite: Algebra II) - [AP Computer Science Principles](https://2sigma.school/d/ap-csp): Introductory CS survey course (grades 9-12, prerequisite: Algebra I) - [AP Precalculus](https://2sigma.school/d/ap-precalc): College-level precalculus (grades 9-12, prerequisite: Algebra II) - [Introduction to Computer Science](https://2sigma.school/d/intro-cs): Python programming fundamentals (grades 8-12, prerequisite: Pre-algebra) - [Introduction to Data Science](https://2sigma.school/d/intro-ds): Data exploration and analysis in Python (grades 9-12, prerequisite: Algebra I) - [Introduction to Generative AI](https://2sigma.school/d/intro-genai): AI and machine learning concepts (grades 9-12) - [Introduction to Artificial Intelligence](https://2sigma.school/d/intro-ai): Advanced AI algorithms and concepts (grades 11-12, prerequisite: Pre-calculus) - [Introduction to Cybersecurity](https://2sigma.school/d/cyb-sec): Security fundamentals (grades 10-12, prerequisite: Algebra I) - [Advanced Data Science](https://2sigma.school/d/adv-ds): Honors-level data science in Python (grades 11-12, prerequisite: Pre-calculus) - [Advanced Computer Science in Python](https://2sigma.school/d/adv-py): Advanced Python programming (grades 10-12) - [Data Structures and Algorithms](https://2sigma.school/d/ds-alg): Core CS algorithms (grades 11-12) - [Joy of Computing](https://2sigma.school/d/joc): Visual programming in Snap! (grades 7-10) - [Algebra I](https://2sigma.school/d/alg-i): Foundational algebra (grades 9-12, prerequisite: Pre-algebra) - [Algebra II](https://2sigma.school/d/alg-ii): Advanced algebra (grades 9-12, prerequisite: Algebra I + Geometry) - [Geometry](https://2sigma.school/d/geom): Spatial reasoning and proofs (grades 9-12, prerequisite: Algebra I) ## Enrollment - [Enrollment Application](https://2sigma.school/d/signup): Sign up for courses - [Summer of Code](https://2sigma.school/d/soc): Accelerated summer program (June 8 - August 21), complete a full-year course in 6 weeks ## Enrollment Formats - **Independent Study**: Self-paced with weekly 1-on-1 instructor office hours. 18 weeks per semester, 36 weeks full course. Available year-round. - **Summer of Code**: Intensive summer program, 2 hours/day, 4 days/week, 6 weeks for full course. - **Live Classes**: Cohort-based, 90 minutes twice per week over 36 weeks in groups of 10-14 students. ## Accreditations - [Accreditations](https://2sigma.school/d/accreditations): Cognia accredited, UC A-G approved, NCAA approved, College Board authorized - Approved online course provider in California, Washington, Oklahoma, and Florida ## Blog - [All Articles](https://2sigma.school/d/blogs) - [Future of Coding in the Age of AI](https://2sigma.school/t/a/blogs/future-of-coding-in-age-of-ai): Should students learn to code when AI can write it better and faster? The obituary of programming is premature. - [Investing in the Probabilities](https://2sigma.school/t/a/blogs/investing-in-the-probabilities): We all make emotional decisions when investing in our children's education. How often do parents also consider the odds of success? - [The 2 Sigma Problem in Education](https://2sigma.school/t/a/blogs/the-2-sigma-problem-in-education): Can our education system be designed such that every child receives the education to reach their full potential? - [Empowering Future Engineers](https://2sigma.school/t/a/blogs/elizabeth-amazon-future-engineer): Elizabeth, winner of Amazon Future Engineer scholarship, shares her story on what made it possible for her to win. - [Why Should all High Schoolers Learn How to Code?](https://2sigma.school/t/a/blogs/why-learn-to-code): Why should all high school students learn to code, regardless of the career they intend to pursue? - [Competing for Top Tier Colleges](https://2sigma.school/t/a/blogs/competing-for-top-tier-colleges): How should high school students maximize their chances of getting into a top-tier college in the United States? - [Which Computer Science Course?](https://2sigma.school/t/a/blogs/how-to-choose-computer-science-course): An easy guide to selecting the right course in Computer Science or Data Science for your middle and high school students. - [Audio postcard from ASU GSV](https://2sigma.school/t/a/blogs/edtech-insiders-5-good-minutes-with-ben-kornell): Edtech Insiders podcast. 5 good minutes - yours truly in a live conversation with Ben Kornell and Alex Sarlin at ASU GSV summit. - [Engaging Students in Computer Science](https://2sigma.school/t/a/blogs/engaging-students-in-computer-science): Do you have a student who says they don't like computer science? That it is boring? It could be the way it is taught at their school. - [Summer Course Options for High School Students](https://2sigma.school/t/a/blogs/summer-course-options-for-high-school-students): Navigating summer programs: Choosing the best academic path for your high schooler’s success and interest. ## News - [Google supports 2Sigma School's mission](https://2sigma.school/t/a/news/google-supports-2sigma-school-mission) - [Washington State Approval](https://2sigma.school/t/a/news/washington-ospi-approves-2sigma-courses) - [2Sigma receives STEM.org Accreditation](https://2sigma.school/t/a/news/2sigma-receives-stem-org-accreditation-trustmark) - [2Sigma Earns Cognia Accreditation](https://2sigma.school/t/a/news/2sigma-earns-cognia-accreditation) - [2Sigma School Selected To The GSV Cup](https://2sigma.school/t/a/news/2sigma-school-selected-to-the-gsv-cup-elite-200) - [Ohio Department of Education Approval](https://2sigma.school/t/a/news/ohio-cs-promise-2sigma-courses) - [Techlab Education joins 2Sigma School](https://2sigma.school/t/a/news/techlab-joins-2sigma-school) - [Florida Department of Education Approval](https://2sigma.school/t/a/news/florida-dept-of-education-approves-2sigma-courses) ## Resources - [FAQ](https://2sigma.school/d/faq): Frequently asked questions - [Accreditations](https://2sigma.school/d/accreditations): Cognia, UC A-G, NCAA, College Board