Teacher story

Seventy learners by day. Twelve quiet questions by night.

A school Chemistry teacher discovered that her best teaching happened after the bell, on a screen.

Grace A., Chemistry teacher, Mukono

Grace has taught Chemistry for nine years, and by Friday afternoon her voice is a whisper. Her Senior Three class has seventy learners. The ones in the front row answer everything. The ones at the back nod, copy from the board, and carry their confusion home like a bag they never open.

She knew the problem long before she had a name for it. Every term, the same handful of topics sank the same kind of learner: mole calculations, organic reaction mechanisms, the electrochemical series. And every term she promised herself she would find time to sit with those learners, one by one. There was never any time. There were seventy of them, a syllabus that does not wait, and a marking pile on her table.

A colleague mentioned Hein Tutoring over lunch. Experienced teachers from schools across the country, lessons in the evening, a small group. Grace expected it to feel like extra work. She signed up mostly out of curiosity, and a little out of guilt.

Her first online evening was a mess. The whiteboard lagged. She drew a benzene ring that looked like a potato. Two learners could not unmute. She apologised so many times that a boy typed in the chat, 'Madam, we can hear you, please continue.' She laughed, wiped the board, and continued.

By the third week something shifted. She had stopped speaking at the group and started speaking with them. She would draw a reaction, pause, and ask, 'What do you think happens to the bromine water?' The chat would fill with guesses. Some wrong. Some beautifully wrong, and wrong in a way that told her exactly which idea had slipped. In a classroom of seventy she never heard those guesses. Online, in a group of twelve, nobody was embarrassed to type one.

One of her regulars was a boy called Peter, who had failed every mole calculation since Senior Two. He was not lazy. He simply could not see what a mole was. One evening she stopped the lesson and asked the group, 'If a crate holds thirty eggs and you buy four crates, how many eggs do you have?' Peter typed 120 before anyone else. 'Good,' she said. 'A mole is just a very large crate. The only difference is how many are inside, and what we are counting.' For almost a minute the chat stayed empty. Then, from Peter: 'Madam, so the mole is a number, not a mystery?' She wrote that sentence on the board and left it there until the end of the lesson.

'The quiet ones finally speak,' she says. 'Not out loud. They type. And what they type is the real question. Madam, why does the colour change only when I add the acid? That is a question I can actually answer. In class, that child would have waited until the next test to find out.'

She changed other things too. She began returning continuous assessments within the week, as the guidelines ask, and learned to write feedback that named the exact step where a learner slipped, not just a mark in red. 'You balanced the equation correctly, but you forgot the mole ratio in step three' lands very differently from '5/10'. Learners started replying to her comments. That had never happened with a number.

The unexpected gift came back to her school. After a term of watching small groups wrestle with the same topics, she could see the pattern clearly. Three or four misconceptions catch most candidates every year, and she began teaching straight at them in her day classes, before they could take root. Her S4 learners noticed. Two of them told her, shyly, that Chemistry had finally become the subject they understood best.

Her own school noticed before she told anyone. The head of department stopped her in the staff room after the mock results and asked what she had changed. She told him about the evening groups, half expecting a lecture about overwork. Instead he asked whether she would run a short session for the other science teachers on using a digital whiteboard. She said yes before she could talk herself out of it. Two colleagues have since asked her how to join Hein Tutoring as well.

She still gets tired. Some evenings the network drops and she finishes a lesson from her phone's hotspot. But she says the exhaustion is a different kind now, the good kind, the kind that comes from having been useful.

'I became a teacher to be there at the moment a child understands,' Grace says. 'For years I was in the room, but I missed most of those moments. Now I catch them. That is why I stay.'