A wave of vandalism brings about a hard-line response from the new headmistress.

The introduction of a prefect system to combat vandalism only increases the friction that already exists between the younger and older pupils.

The approach of a compulsory medical check gives rise to some anxious moments for both older and younger pupils.

'Stewpot' Stewart falls foul of the dreaded PE teacher, Mr Hicks.

Trisha continues to organise resistance against the Colditz conditions imposed on the school to combat vandalism.

Mrs McClusky threatens to cancel the school dance unless the vandals are caught.

Susi's school magazine article angers Mrs McClusky.

Trisha gets involved with the school council when a rumour starts that school uniform might be brought back.

A new questionnaire about school dinners ruffles feathers, and Cathy restarts the School Action Group.

Doyle finds a market for the school's light bulbs, and it's increasingly difficult for Alan to find a place to smoke.

Tommy Watson has left it too late for the trip to France. Or has he?

Justin is worried by a sudden change for the worse in Andrew's behaviour.

Tucker devises a plan to prove that Alan is seeing Susi.

Cathy's group has a paying gig, and Doyle takes up Judo.

Cathy and her group have to face the consequences of taking an afternoon off to play at the dance.

Gripper forces Pogo to do his homework, but he deliberately does it badly. One smashed-up Common Room later, and Mrs. McClusky is on the warpath!

A battle of the sexes is thinly disguised as an end of term sportsday.

At the Christmas disco, Brookdale kids try to steal the takings and the equipment.