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Reef Grades

Learn at your own pace, from Grade 1 to Grade 10. Short lessons, practice that gets harder as you go, and levels to unlock.

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A world that grows with you

Every grade band has its own look, from playful animals to a calm, focused study space.

🐰 🐶 🦊 🌼
🐰 Animal Meadow
Grades 1–2
🐠 🐙 🐢 🫧
🐠 Ocean Explorers
Grades 3–4
🦖 🚀 🪐 🌋
🦖 Dino Planet
Grades 5–6
π √ ∑ θ
🧭 Explorer
Grades 7–8
x² + bx + c
🎯 Focus
Grades 9–10