Volunteers from all over London turned up in Poplar to spruce up the playground at Manorfield Primary School after recent building work.
They cleared rubbish from the kitchen garden, then sanded down and painted benches and tables in the colours of the school's logo, adding splashes of colour across the playground.
"It means a lot to us that the community has chipped in to improve our school," head-teacher Paul Jackson said.
"These young people are acting as role models for our children. It's days like this that show how much people can do in a day to brighten up the environment for years to come."
Benches and tables were repaired, rubbish cleared and the garden tidied up after the recent building work.
The volunteers had been invited to the school in Wyvis Street by Apprentice Nation, an organisation helping young people with apprenticeships and social action. In return they get help with their CVs and starting careers.
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