Fishbowl

A small group discusses in the middle while everybody else watches from around them — and the watchers are not idle. Their job is to notice how the discussion works, which is the thing you can never teach by telling.

The outer circle has a job. Without one it is thirty children watching six, and it falls apart in ninety seconds.

Chairs, and that is all. Six in the middle, the rest around them. Two minutes to set up.

Fifteen minutes. The one to use when you want to teach discussion itself, not just have one.

A timer for each stage, with what the children do in each · free to try · no sign-up

The sheet it prints — optional

The printable Fishbowl observer sheet — an A4 page for noticing how the inner circle talked, not just what they said.

What is a fishbowl discussion?

A fishbowl is a discussion structure in which a small inner circle talks about a question while a larger outer circle sits around them, silent, observing. Afterwards the outer circle reports on what they saw — not on the topic, but on how the conversation was conducted.

It exists because discussion skills are almost impossible to teach abstractly. Telling a class to build on each other's points does very little; watching six people do it, having been told to look for exactly that, does a great deal.

How do you run a fishbowl, step by step?

Set up (about a minute). Six chairs in the middle, everybody else around the outside. Say clearly that the outer circle does not speak, at all, until the third stage.
Inner circle (about six minutes). The inside discusses the question. You stay out of it — a teacher joining the inner circle turns it back into a normal lesson.
Outer reports (about four minutes). Now the outside speaks. Ask what they noticed about how the group talked, not whether they agreed with it.

Fifteen minutes with the setup. It is worth doing properly or not at all — a rushed fishbowl is just a small-group discussion with an audience.

What should the outer circle be looking for?

Give them something specific, or they will watch the way you watch television. Three things that work: somebody building on another person's point, somebody disagreeing without it becoming personal, and a question that opened the discussion up rather than closing it down.

The printable observer sheet on this page has those three as boxes, plus one for what they would do differently when it is their turn in the middle. That last box is what makes them watch properly.

From the classroom

The version that finally worked for me has an empty chair in the inner circle. Anybody from the outside may come and sit in it, say one thing, and go back — and the inner circle has to make room. Before that, my outer circle drifted after about four minutes no matter what sheet I gave them, because they knew nothing they thought could ever get into the room. The empty chair changes the whole quality of the watching, because now they are listening for a gap. The other thing I would say: do not put your six most confident talkers in the middle first. It produces a discussion nobody else can imagine themselves in. I go with a mixed six and I tell them beforehand, so nobody is ambushed.

What usually goes wrong with a fishbowl?

The outer circle disengages. A specific observation task, and ideally the empty chair, are the only reliable fixes.
The teacher joins in. The moment you speak in the inner circle, everybody starts performing for you instead of talking to each other.
The inner circle is all confident children, so the modelling is unreachable. Mix it.
The report stage becomes a second discussion of the topic. Ask about the how, and redirect firmly when they answer about the what.

Which year groups is a fishbowl for?

Year group	US grade	What to change	How long
Years 3–4	Grades 2–3	Four in the middle, one thing to watch for, three minutes inside.	10 min
Years 5–6	Grades 4–5	Six inside, the full observer sheet, and the empty chair.	15 min
Year 7 and up	Grades 6–8	Swap the circles halfway so everybody experiences both.	20 min

Fishbowl compared with the other discussion structures

Round Robin gets everybody talking; a fishbowl deliberately does the opposite, so that the talking can be examined.
Silent Debate also lets everybody see how an argument develops, but on paper and all at once.
Hot Seat has the same watching-one-group shape, with a character in the chair instead of a discussion.

Free to try · no sign-up · the sheet is optional

Hot Seat →The other structure where the class watches one group — but there somebody is in role. All 24 cooperative structures →Think Pair Share, Round Robin, Snowball and the rest — each with a timer and a step-by-step.

Written by a practising primary school teacher, and part of the free-to-try Teaching Routines set on Sage Teachers. Last checked August 2026. Everything here is free to try.