Gradebook.com.ua
A multi-tenant SaaS — a digital gradebook for Ukrainian schools (NUS standard): grades, attendance, schedule, AI explanations. Each school is isolated on its own subdomain and database.

STAR case breakdown
- S
Situation
Ukrainian schools need a digital gradebook that meets the NUS standard — grades, attendance, schedule — but off-the-shelf tools fall short on strict data isolation between schools.
- T
Task
One school's data must never, even in theory, mix with another's, and onboarding a new school shouldn't require a separate deployment.
- A
What I did
- Multi-tenant architecture on Laravel: each school isolated on its own subdomain and database.
- The full gradebook cycle to the NUS standard: grades, attendance, schedule.
- AI grade explanations — students and parents understand exactly why a mark was given.
- Already in production: the first school is keeping a real gradebook.
- R
Result
The first school is already running its gradebook in production
NUSstandard gradebookMulti-tenantschool = subdomain + DBAIgrade explanations
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