A question bank that keeps growing
Write once, reuse in any quiz. Tag by subject and grade.


Courses, quizzes, report cards and payments for private tutors, tutoring centers and schools. Free to start.


Build materials, quizzes and assignments. See who is falling behind before the exam.


Track tuition, send automatic reminders and print receipts with your logo.


Every teacher's grades land in one gradebook, then become term report cards.


Students see what is due today, take quizzes and check their grades. Works well on phones.
Set up in five minutes
One question per screen, with a preview that changes as you type. This is what opening Kelasi for the first time feels like.
Send email invites, share a link in the class WhatsApp group, or show a QR code at the front of the room. Students land in the right class straight away.
Upload a chapter, your notes or photos of book pages. AI writes the questions one by one, and you check each one before it goes into your question bank.
Write once, reuse in any quiz. Tag by subject and grade.


Multiple choice to essays, graded automatically where possible.
Text, PDFs, video and links, arranged with drag and drop.
Students hand in from their phones, you grade with a rubric.
One page for materials, work, grades and who is falling behind.


Put it on the projector, students answer from their phones. The leaderboard moves after every question.


Assignment and quiz grades from every teacher land there on their own.
Print report cards with your grade scale and school logo.
Attendance from every meeting, ready to download.
Who is active, who is behind and what changed.
What used to live in notebooks and WhatsApp groups, now in one place.
See who has paid and who is late, by month and by course.
Payment reminders go out on their own to students who still owe.
Clean receipts with your logo, ready to print or share.
Class schedules, meeting links and attendance in one calendar.
Invite teachers and students by email, code or WhatsApp link.
Give staff access to payments without opening student grades.
Students and parents sign in at your school's address, see its logo and colors, and land straight in your space. Kelasi does the work behind it.
Sign in to SD Sukamoto
EmailPasswordPaid features show the lowest plan that includes them.
A seat is one student in one course that is still running. A student in Math and Physics uses 2 seats. Bills use the highest count in the month.
Students can still join. You get 14 days to upgrade before paid features lock.
No. Data is never deleted. Your space drops to Gratis limits 7 days after an unpaid bill.
Each period gets an invoice with a payment link: QRIS for monthly bills and a virtual account for yearly ones. No credit card needed.
On any paid plan, the owner or an admin can add 10 GB at a time for Rp10.000 a month from Manage › Billing. It is billed with your plan, and you pay only for the rest of the current period when you add it.
No. Kelasi records student payments and sends reminders, but the money is paid straight to you.