How Ryzo was built
The questions parents ask first, answered plainly.
Where did the curriculum come from?
We wrote it. All 840 lessons across 8 subjects and 80 topics are original work, authored in-house rather than scraped, bought in, or generated and left unread.
We started from what a learner should be able to do at each grade, working through the domains the Common Core standards name, grade by grade: place value and operations, fractions, ratios, expressions and equations, geometry, measurement and data, probability; and for literacy, phonics through inference, evidence and comparing texts. Each topic then ladders through three depths, so the same idea has a floor and a ceiling: Foundation (get it), Advanced (use it somewhere unfamiliar), ACE (the version that stretches a learner a year or two above).
Is it aligned to what my child does at school?
The honest answer, and it is better than a badge: we have not commissioned an external alignment study, so we do not claim a certification we do not hold. Instead we publish our bar. Inside the app, for every grade, you can open the exact list of skills Ryzo expects and check it against your child's classroom in a minute. We would rather be checkable than certified. Where our bar and your child's teacher disagree, the teacher is right, and the app says so on the same screen.
How do you know a level means something?
- Levels are earned, never given. There is no setting that grants one.
- "Proven" means a timed check with no help. Practice raises a level; only an unaided timed check turns it into a result we report to you. We under-state on purpose: a learner clears our bar by a wide margin before we call them above grade.
- We measure the questions too. In aggregate, with no learner attached, Ryzo watches which questions genuinely teach. One most learners fail is treated as our problem and retired, not theirs.
Does the AI do the work for them?
No, and the whole product is built on that line. Ryzo reads what a learner wrote and asks the question that makes them fix it themselves. It will not write the essay or hand over an answer. Every practice question is our own written curriculum, not something invented on the spot.
Where is my child's data?
- No ads, no ad tracking in the app, and never sold. Not a plan we might revisit.
- Not used to train AI models. Our providers are under contract that forbids it.
- Younger learners join with a nickname and a grown-up's email. We never ask a child for a full name.
- Held with specialist hosting providers on major cloud infrastructure, encrypted in transit, access restricted to the few people who need it.
- Yours to export or delete from inside the app, any time. Deleted data leaves our live systems within 30 days.
- A teacher never sees written work, and no child reaches a teacher's roster until the grown-up on that account approves it.
Full detail, retention windows and your rights are in the privacy policy. Email us for the current list of providers we use.
What does it cost?
The learning is free: every subject, topic and lesson. Ryzo Plus is the grown-up layer (growth reporting, the weekly note home, unlimited AI coaching), and it is free for teachers, always.
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