The free K-12 curriculum.2,250 days. Every subject.

Math, science, ELA, and social studies from kindergarten through 12th grade. Self-paced. AI-tutored. No account required to start.

What's inside

75 units, 30 days each

Every unit has a lesson, key terms, activities, and a teaching tip. Content is reviewed by educators and continuously improved.

AI tutor on every page

Ask questions about the lesson. The tutor knows what you're studying and explains things at your level.

Progress tracking

Mark days complete. Build streaks. See progress by grade band. Parents and educators can track along.

How it works

01

Pick your grade band

K-2, 3-5, 6-8, 9-10, or 11-12.

02

Learn one day at a time

15-30 minutes. Lesson, terms, activities.

03

Mark complete, keep going

Build streaks through 2,250 days of content.

Start today. It's free.

No account needed. No credit card. Just open Unit 1, Day 1 and start learning. Premium adds AI sessions and assessment prep when you're ready.