Built for the way structured learning works.
A grade-aware knowledge library for any school that teaches a craft. Written by teachers, read by students, owned by your school.
Write it once. Teach it forever.
Capture your curriculum the way you'd explain it in person, and keep it organised without effort.
80 sub-discipline templates across 10 categories: martial arts, dance, music, yoga, gymnastics, fitness, performing arts, academic, wellness, and creative. Starting points, not limits. C3NTR fits any school, with or without grades.
A dual-mode editor: rich text or Markdown, with a floating toolbar, slash commands, and auto-save. Write curriculum content at the speed of thought.
Import a Word document, Markdown file, or plain text. C3NTR reads the structure, suggests headings, and creates articles automatically. Your knowledge, not retyped.
Connect your own Claude or ChatGPT key. Generate a draft from notes or bullet points. You review before anything publishes, AI never does that for you. Your key stays on your device only.
Embed a technique, link a resource, or upload a session recording. Text, terminology, video, and audio sit together in the same article, in the order you choose.
Drag to reorder, bulk select, edit tags inline, move items between sections, all directly in your content tabs. No more jumping between screens to manage your curriculum.
Organise content with hierarchical tags instead of flat sections. One article can belong to multiple categories. Filter by any combination, your curriculum, your structure.
A calm library in every student's pocket.
Students see exactly what their grade unlocks, and it's with them wherever they train.
Adapts to your grade structure and terminology: belts, levels, grades, or whatever your school uses. At home in martial arts, dance, gymnastics, music, and any discipline where knowledge is passed systematically from teacher to student.
Content that respects the journey, unlocking only when the student is ready. Instructors and above always have full access.
A powerful search across all content. Articles, terms, videos and audio in one overlay. Keyword and semantic matching, grade filtering, recents and on-device suggestions. Nothing leaves the phone.
Heart any article or glossary term. Your favorites travel with you across devices, one tap to save, a dedicated tab to find them again.
Articles are saved as your students read them. Available at the venue, on the road, wherever they train, no signal needed.
Your school, under your name.
Reach every student instantly, see what lands, and manage it all from your phone or browser.
Instructors publish once; every student receives a push notification immediately. Target the whole school or a specific grade range.
Write and publish articles, review your roster, and check engagement from any computer. The full content manager is there when you're not on your phone.
One identity for students and instructors across multiple academies. Switch between affiliated schools, each with its own branding, grade structure, and curriculum, seamlessly.
Notice which articles your students return to and which terms they look up most. Use what you learn to guide what you write next.
Upload your logo, set your colours, rename every tab. Students open an app that feels like yours, shaped around your school's identity, not adapted from a template.
Your content belongs to you, export or delete it at any time. How we protect your school's data →
The Library & The Lobby
Groups & chatter.
Perfect for last-minute reminders, training updates, and the day-to-day chatter of a school family. Keep it there.
Curriculum & knowledge.
Your curriculum deserves a permanent home. Build a searchable, grade-aware library your students can return to whenever they need it.