How Nigerian Teachers Can Use AI to Plan Lessons Faster (Without Short-Changing Students)

Planning lessons takes time. Writing notes, finding examples, setting class work and questions, and doing it again for every class and every subject. For many Nigerian teachers, that work happens at night, after school.

AI tools like ChatGPT and Gemini can help. But how much do they really save, and what are the risks? Here's the honest picture.

What a fair test found

In 2024, the Education Endowment Foundation in England ran a proper trial. About 130 secondary science teachers used ChatGPT, with a short guide, to plan their lessons. Another 130 teachers planned the normal way.

The ChatGPT group spent 31% less time planning: about 56 minutes a week instead of about 81. That's a saving of about 25 minutes a week. And an independent panel of teachers found no real difference in the quality of the lessons.

By our sum, if you saved 25 minutes a week across a Nigerian school year of about 39 weeks (three terms of about 13 weeks), that's about 16 hours a year. That's two full working days back.

One honest caveat: the researchers called the results promising but said to treat them with care, because the quality check was small.

The bigger claims

You may have seen bigger numbers. In 2025, a Gallup survey of 2,232 American teachers found that those who use AI every week say it saves them about 5.9 hours a week.

Be careful with that one. It's what teachers think they save, across all kinds of tasks, not time that was measured. The careful trial above measured planning alone and found about 25 minutes. Both can be true, but the measured number is the safer one to plan around.

The same survey found something useful for school owners. Only about 1 in 5 teachers (19%) said their school had an AI policy. And in schools that did, teachers reported saving more time, about 2.3 hours a week against 1.7 hours without one.

Why this matters in Nigeria

Nigerian teachers are stretched. UBEC's national audit found public primary schools needed 694,078 teachers but had 499,202. By our sum, that's about 195,000 missing, or roughly 5 teachers in post for every 7 needed. The teachers who are there carry the extra load.

The government is paying attention. In February 2025, a five-week AI course started for 6,000 senior secondary teachers, backed by Google with Data Science Nigeria. In July 2026, the Federal Ministry of Education said it had begun moves to train about 11,700 Federal Unity College teachers in AI. And the Education Minister has been clear about the goal:

"AI enhances, rather than replaces, educators' vital role in shaping young minds." Dr Tunji Alausa, Minister of Education, January 2025

What AI is good at

• A first draft of a lesson plan. Objectives, a starter, main activity and a short recap.
• Examples your students know. Ask for examples using Nigerian prices, foods, markets or football.
• Class work and questions. Practice questions at three levels: easy, medium and hard.
• Explaining one idea three ways. Useful when part of the class didn't get it the first time.
• Turning your notes into a quiz.

What AI is bad at

• Knowing your class. It doesn't know who is behind, who is bored, or what you covered last week.
• Getting every fact right. AI can state wrong things confidently. The UK's Department for Education calls this "hallucination" and says teachers must check AI work for accuracy.
• Following your syllabus exactly. It won't automatically match the NERDC curriculum or your school's scheme of work unless you tell it, and even then you must check.

Keep students' details out

Never paste students' names, phone numbers, results or other personal details into an AI tool. The UK's guidance for schools says the same: don't put personal data into these tools. Describe the class instead: "a JSS2 class of 45, many weak in fractions."

A simple way to start

1. Tell it exactly what you need. For example: "Write a 40-minute lesson plan for JSS2 Mathematics on adding fractions with different denominators. Use examples with Nigerian market prices. Include a 5-minute starter, a main activity, 6 practice questions from easy to hard, and a 3-question exit check."
2. Read it like a head of department. Cut what won't work in your room. Fix anything wrong.
3. Check every fact and answer. Work out the answers to the questions yourself.
4. Add your own touch. Your stories, your class jokes and your knowledge of your students make the lesson work.
5. Save the good ones. Next term, you're improving a plan instead of starting from zero.

Do you need to pay?

No. ChatGPT and Gemini both have free versions that can draft lesson plans.

If you want more, Google's own page lists Gemini's AI Plus plan at ₦7,700 a month and AI Pro at ₦28,500. ChatGPT Plus was reported at ₦31,500 a month in October 2025. By our sum, ChatGPT Plus costs about 45% of the ₦70,000 minimum wage, and Gemini's AI Plus about 11%. Try the free versions first.

A word on students and AI

Using AI to plan your teaching is very different from students using AI to skip their thinking. UNESCO's 2023 guidance on AI in education recommended that countries consider a minimum age of 13 for using these tools in class. Our articles on what AI is doing to children's minds and the right way for children to use AI cover the student side.

On Scholarleveling, teachers get an AI lesson-plan writer built in, can import a plan they already have, and can turn a plan into a quiz for their class.

Read next: how teachers can spot AI-written assignments, or teaching AI tools like ChatGPT and Canva.