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Solve for x: 3x² − 12x + 9 = 0
194K+
Grade 12 students in Zambia
78
ECZ subjects covered
10K+
Practice questions
Free
to get started
All ECZ subjects, all grades
Start with your hardest subject. Practice daily. Watch the grade improve.
+ 70 more subjects. Browse all
Everything you need to pass
Not just past papers. A complete system built around how Zambian students actually learn.
AI Tutor, anytime
Get instant, step-by-step explanations on any past paper question. Like having Zambia's best teacher on call at midnight before your exam.
Video Lessons
Taught by real Zambian teachers whose students consistently earn distinctions. Learn in the same style your classroom uses.
ECZ Past Papers
Every past paper from 2010 to 2024, broken into individual questions and tagged by topic and difficulty.
Leaderboards
Compete with students across Zambia. Weekly rankings by subject, school and nationally. See where you actually stand.
Daily Streaks
Build a study habit that sticks. Earn XP, unlock badges and keep your streak alive even via WhatsApp.
Works Offline
Download lessons before load shedding hits. Study without internet and sync your progress when you are back online.
Simple to start. Hard to stop.
Three steps between you and better grades.
Pick your subjects
Choose from all 78 Grade 12 ECZ subjects. Most students start with their weakest.
Study with AI
Watch video lessons, practice past paper questions and ask the AI tutor to explain anything.
Track your mastery
See which topics you have nailed and which still need work. No surprises on exam day.
Real students. Real results.
These are the stories we built Zuba for.
“I failed Maths twice. With Zuba I could practice past papers every day and actually understand where I went wrong. I passed with a merit.”
Mwila C.
Munali Boys Secondary, Lusaka
Mathematics“The AI tutor explains things better than some of my teachers. It is there at midnight the night before an exam, which is exactly when I need it.”
Natasha B.
Kabulonga Girls Secondary, Lusaka
Biology and Chemistry“I live in Chililabombwe. We do not have the private tutors Lusaka students have. Zuba gave me access to the exact same quality of prep.”
Chanda M.
Chililabombwe Secondary, Copperbelt
All SciencesYou already support them.
Now see them rise.
You send money home for school fees, airtime, uniforms. But there has always been a gap between what you send and what actually happens. Zuba closes that gap.
See the studying, not just the results
Daily streaks, quiz scores, and subject-by-subject exam readiness. Know whether Chanda is working every day or cramming the night before.
Weekly report to your WhatsApp
Every Sunday, a plain-English update: what they studied, how they scored, where they improved. No app required on your end.
For parents, aunts, uncles, sponsors
If you invest in a student from afar, you deserve to see the return. Zuba works for anyone who cares, not just parents.
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Chanda studied 6 out of 7 days this week. She completed 87 questions and scored 74% average across all subjects. Her weakest area right now is Chemistry titrations.
Exam readiness
14
day streak
2,840
XP earned
73%
avg. score
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