Schools out....forever.

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The last episode of long-running BBC school drama Grange Hill is to be shown on BBC One on Monday.

The programme, which first hit screens in 1978, will feature the return of one of the original characters, Tucker Jenkins, played by actor Todd Carty.

The drama has tackled tough issues such as drugs and teenage pregnancy, but was axed after TV bosses said it no longer reflected modern children's lives.

The final episode will be shown on BBC One at 1635 BST.

The school is preparing for the end of term prom, and is plunged into chaos when an unexploded bomb is discovered in the sewerage system.

Its creator, Phil Redmond, said earlier this year that the drama had lost its hard-hitting purpose and that it was "time to hang up its mortar board".

The show's heyday is considered to be the early to mid-1980s, with gritty storylines including Zammo's drug addiction which led the programme to spearhead a "Just Say No" campaign.

But the final series has concentrated on the school's younger pupils.

Some of the teachers from the fictional school also became cult figures among viewers, including Mrs McClusky, who was head teacher from 1981 to 1991.

Actress Gwyneth Powell said earlier this year that the show's demise was both "sad and nostalgic", but agreed with Phil Redmond that its time was up.

Filming on the show was moved to Liverpool in 2003, and the series - which was originally set in north London - ceased to be set in a specific location.

Great school time programme - many an afternoon spend dossing off homework watching Zammo, Roly, Tucker and the gang.