We build AI infrastructure for teaching and learning.
Cut marking load. Keep teachers in charge of coaching. Give students faster feedback. Academy plus subject tools — used in 200+ schools today.
Built for Hong Kong classrooms: AI marking, worksheets, rooms, and agents — with DSE-aware workflows where they matter.
Teachers still carry the heaviest load: marking stacks, preparing worksheets, and chasing submissions between bells.
AI can take on the repetitive parts — OCR marking, batch feedback, draft materials — so teachers stay in charge of judgement and coaching.
That is the work Sayo exists for.
Students get faster feedback and more practice. Schools get tools that fit real Hong Kong classrooms.
Less paperwork. More coaching. Better learning.
Personalized learning was always the goal. Time was the bottleneck.
One teacher cannot give every student a custom lesson plan. Marking alone can fill evenings. "Personalized education" stayed a promise limited by hours and headcount.
AI helps close that gap — without replacing the teacher.
Build AI that gives teachers time back —
and keeps learning human.
Spark curiosity
Move students from passive homework to active practice — with agents, quizzes, and feedback they can act on.
Empower the educator
Cut marking and prep load so teachers coach, not just process papers.
“Teachers are irreplaceable.”
Fit the school stack
Academy covers Mark · Generate · Rooms · Agents. Subject tools add depth by department. Together they make “one-size-fits-one practice” practical in a real timetable.
Explore our productsIn practice
What we ship for schools
Vision without a product is a speech. Here is how Sayo shows up in classrooms — starting with Academy, then the tools departments add.
Sayo Academy
Mark with rubrics, generate materials, run classrooms, and pin tutoring agents — the teaching stack in one workspace.
Open Academy product pageSubject tools
Speaking, writing, math, Chinese, Putonghua, and ICT — deeper practice when a department needs more than the shared workspace.
Browse all productsSchool-level portals
Primary subject hubs and secondary platform directories so teachers find the right tool without hunting logins.
Start with Primary
Bring AI into your school — starting with Academy
Try Sayo Academy, explore subject tools, or join the educator community.