There is a moment most art teachers experience when introducing clay for the first time.

The lesson has barely started and a student is already holding a sculpture with walls two inches thick saying: “Can this go in the kiln today?”

Meanwhile another student has added water to their clay until it resembles soup, somebody else has pressed a handle onto a pot without joining it properly, and across the room one student is absent-mindedly carving directly into the table.

Ceramics lessons can feel chaotic very quickly.

Partly because clay behaves differently to almost every other material in the art room. It moves constantly. It dries while students work. It cracks if rushed. It collapses if unsupported. It remembers fingerprints, pressure and weak joins long after students think they have “finished.”

But once teachers understand a few core principles, ceramics becomes far less intimidating and far more successful.

Most ceramic disasters in schools are surprisingly predictable.

Teachers often assume kiln problems are caused by firing temperatures or faulty equipment. In reality, most failures happen much earlier in the process.

Usually, problems come down to:

- trapped moisture

- uneven thickness

- weak joins

Once you know how to spot these early, you prevent most classroom disasters before the kiln is even switched on.

Students constantly underestimate how long clay takes to dry.

The outside may feel dry while the inside is still holding moisture. When that trapped water heats up in the kiln, it turns to steam and expands rapidly. That pressure has nowhere to go.

Result:

- cracked work

- blown-out forms

- or in extreme cases, exploding clay damaging nearby pieces

A useful teacher trick:

ask students to hold work against their cheek.

If the clay still feels cold, it is probably still damp inside.

This simple test prevents countless firing problems.


Drying tips that genuinely help

- Dry work slowly under plastic for the first day or two

- Turn pieces regularly so bases dry evenly

- Avoid placing work directly beside radiators

- Hollow large forms wherever possible

One of the biggest misconceptions students have is assuming thicker clay equals stronger clay.

Usually, the opposite is true.

Every ceramics teacher eventually sees the “solid clay penguin.”

It weighs roughly the same as a breeze block and contains enough moisture to survive until next Christmas.

Students naturally build too thickly because they are thinking visually rather than structurally. They want work to feel secure, so they add more clay.

Unfortunately, thick clay:

- dries unevenly

- shrinks unevenly

- cracks more easily

- and struggles during firing

A good classroom demonstration is to show students two slabs:

- one evenly rolled

- one thick in places and thin in others

Ask them which will dry evenly.

Suddenly the conversation becomes less about “being neat” and more about understanding materials.

That shift matters educationally because ceramics teaches students to think ahead. They begin anticipating consequences before they happen.

Students often believe clay sticks to itself automatically.

It does not.

If clay pieces are attached without scoring and slip, they will often separate during drying or firing.

The easiest way to explain scoring to students is:

“You are creating grip.”

Two smooth surfaces pushed together are weak. Roughened surfaces with slip create a bond.

A join should always:

- be scored properly

- contain enough slip

- be compressed together firmly

- and then blended smoothly

One useful teaching habit is making students physically test joins before moving on.

If a handle wobbles now, it definitely will not survive the kiln later.

Most teachers fear the kiln because it looks technical.

In reality, schools usually use a very small range of firing processes repeatedly.

You do not need to become a ceramic technician overnight.

The most important thing is consistency.

Most school ceramics follows this basic sequence:

1. Make the work

2. Dry fully

3. Bisque fire

4. Apply glaze or underglaze  

5. Glaze fire

That is the majority of classroom ceramics.

One of the most reassuring things teachers can know is this:if work survives drying properly, it usually survives firing too.

The kiln is often blamed for problems that actually started during construction.

One reason ceramics remains so valuable in schools is because it changes the pace of the classroom completely.

Students cannot rush clay successfully for long. Eventually the material pushes back. Work collapses, cracks or warps, usually because somebody tried to skip a stage or force the clay to behave before it was ready.

That matters now more than ever because many students are used to immediate outcomes. Digital work responds instantly. Clay does not. It introduces waiting time, unpredictability and revision. Students have to pause, reassess and adapt as they work.

It is also one of the few classroom materials that genuinely reshuffles who succeeds.

Students who struggle with observational drawing often thrive in ceramics because they think physically rather than visually. They understand form through touch, pressure and structure. Meanwhile, highly perfectionist students can initially find clay frustrating because they cannot completely control every outcome.

This is where ceramics becomes educationally powerful. Students begin understanding that process matters just as much as the final piece.

Artists such as Sana Musasama are particularly interesting to discuss with students because her work is deeply connected to memory, identity, history and storytelling. Her ceramic forms often feel raw, layered and intentionally imperfect, showing students that ceramics does not always need to be polished or symmetrical to be meaningful.

For students, this can be incredibly freeing. Many arrive at ceramics believing they need to make something technically perfect for it to be successful. Musasama’s work helps them understand that texture, marks, cracks, distortion and surface can all carry emotion and meaning. Suddenly the conversation shifts away from “making a neat pot” towards communicating ideas through material itself.

Courtesy of the Everson Museum of Art. Photo by Jamie Young.

Sana Musasama in the studio. I Died Many Times by Sana Musasama, from her Girl Soldiers series, on view at Mindy Solomon Gallery. Photos © Sana Musasama

Glazing is where many classrooms become chaotic unnecessarily.

Too many colours, too many combinations and too little planning usually creates muddy outcomes.

In schools, restraint often produces stronger results.

Underglazes are particularly useful because students can treat them almost like paint:

- layering colour

- painting imagery

- adding line and detail

-. controlling decoration more precisely

Artists like Grayson Perry are excellent for showing students how ceramics can carry narrative, humour and storytelling through surface.

- Never glaze the base of work

- Apply glaze evenly rather than thickly

- Test combinations before using them across a full class set

One of the best ceramics projects for building teacher confidence is a slab-built identity vessel.

Why?

Because it teaches:

- construction

- joining

- surface decoration

- refinement

- and personal response

without becoming structurally overwhelming.

Starter Activity

Show students ceramic work by:

- Magdalene Odundo

- Grayson Perry

Discuss:

- how shape communicates personality

- how surface tells stories

- how decoration changes meaning

Students complete quick silhouette sketches exploring different vessel shapes.

Main Activity

Students create a slab-built vessel using:

- two side slabs

- a base slab

- rolled clay walls


Focus teaching on:

- even thickness

- scoring and slip

- smoothing joins

- controlled shaping

Once leather-hard, students carve or apply surface decoration linked to identity, memory or symbolism.

Surface and Colour

Use limited underglaze palettes to encourage thoughtful choices rather than random colour use.

Encourage students to:

- repeat motifs

- layer pattern

- combine image and texture

- leave some clay visible

Plenary Questions

- Where was your clay strongest?

- Where did it become weakest?

- What changed between your design and final form?

- Did the clay force you to adapt your idea?

These discussions are often where the richest learning happens.

The important thing teachers need to remember is that successful ceramics teaching is rarely about technical perfection.

It is about helping students understand process, material and adaptation.

Clay cracks sometimes. Handles fall off. Glazes misbehave.

That is not failure.

That is students learning how materials actually work.