15
Sep
Here’s an uncomfortable exercise: record yourself teaching one lesson, then time how much of it is you talking. Most teachers are surprised by the number — and most language teaching approaches over the last few decades have pushed in one direction: talk less, let students talk more.
The concept has a name in English language teaching: Teacher Talking Time (TTT), measured against its counterpart, Student Talking Time (STT). Understanding the difference — and where the balance actually should sit — is one of the more practical shifts a teacher can make.
What TTT actually means
Teacher Talking Time is exactly what it sounds like: the proportion of class time the teacher spends speaking, as opposed to the learners. It became a focus of teacher training because of simple arithmetic — in a 60-minute lesson with 15 students, if the teacher talks for half the lesson, each student gets an average of two minutes to speak. In a language classroom, where the entire point is to build learners’ ability to actually use the language, that ratio works against the lesson’s own aims.
Why reducing TTT became a training priority
A few concrete reasons show up consistently in teacher training material:
- It limits STT by definition. Every minute the teacher talks is a minute a student isn’t practising.
- It can slow the pace and reduce engagement. Long stretches of teacher-to-class talk tend to produce a flatter lesson rhythm, and learner attention drops accordingly.
- It often does the students’ thinking for them. Explaining a grammar rule outright, rather than letting students notice the pattern themselves, removes a genuine opportunity to learn by working something out.
- It can quietly limit learner autonomy. When the teacher is constantly the one deciding, explaining, and correcting, students have fewer chances to take responsibility for their own learning and progress.
But TTT isn’t the enemy — the wrong kind is
This is where the concept gets more nuanced than “talk less.” Some teacher talk is not only fine but necessary: giving clear instructions, modelling correct language, telling a short anecdote to introduce a topic, or offering input that gives students something to build on. Cutting all of that in the name of reducing TTT would leave students without the language model they actually need, especially at lower levels.
The real distinction is between productive TTT — talk that gives students something they couldn’t easily generate themselves — and unproductive TTT, which tends to show up in a few specific, easy-to-miss habits:
- Repeating instructions multiple times instead of giving them once, clearly.
- Answering your own questions after a pause that felt too short.
- Explaining something students could have worked out with one more prompting question.
- Narrating your own thinking out loud rather than letting silence do the work.
Does the right balance change by level?
Yes, and this is a point that’s often missed. With beginner or elementary learners, teacher talk plays a bigger role by necessity — it’s often the main source of comprehensible input those students are getting, and expecting extensive independent production too early can be unrealistic. The priority at that level isn’t eliminating TTT, but making sure the talk that does happen is graded, clear, and genuinely useful as a model. At higher levels, the balance shifts much further toward STT, since learners have more language to work with on their own.
How to actually notice your own TTT
Teacher trainers consistently point to the same starting method: record a lesson and listen back. Most teachers underestimate their own talking time until they hear it, and the goal isn’t self-criticism — it’s simply noticing the pattern early enough in a lesson to adjust it, rather than realising it after the fact.
A few practical adjustments that tend to move the needle:
- Pause longer than feels comfortable after asking a question, before jumping in with the answer.
- Set up activities with one clear instruction instead of three overlapping ones.
- Use monitoring during pair or group work instead of open-class questioning as the default.
- Replace an explanation with a question that leads students toward the same conclusion.
Where this becomes a trained skill, not just an idea
Knowing about TTT and actually changing your habits in real time, mid-lesson, are different things — which is exactly why this is one of the areas trainers focus on during observed teaching practice on the CELTA course. A trainer watching your lesson can point out, in the moment it happened, where an explanation could have been a question instead, which is very different from reading about the concept afterwards.
At CELTA Training Romania, this kind of specific, lesson-by-lesson feedback runs through every teaching practice session — in both the Part-Time Online and Intensive Face-to-Face formats — precisely because habits like TTT are far easier to shift with a second pair of eyes than alone.
Save this for your next lesson, or discover what teaching practice involves if you’re curious how this kind of feedback works in practice on a CELTA course.
FAQ
Is there an “ideal” percentage of TTT vs STT? There’s no single universal number — the right balance depends on the learners’ level and the stage of the lesson. What matters more than hitting a percentage is being aware of your own pattern and adjusting it deliberately.
Is all Teacher Talking Time bad? No. Giving instructions, modelling language, and providing input learners can’t yet generate themselves are all legitimate, necessary uses of TTT — the goal is cutting the unproductive kind, not talk itself.
Why do new teachers tend to have higher TTT than experienced ones? New teachers often talk more out of a natural instinct to fill silence, explain thoroughly, or reassure themselves the lesson is “on track” — habits that usually reduce with awareness, practice, and feedback.
How can I check my own TTT without a trainer watching me? Recording a lesson and timing yourself speaking versus students speaking is the most commonly recommended starting point — it tends to be far more revealing than it sounds.