Visitors were “awe struck” by a Poppy Remembrance Garden the pupils created.
The 86-year-old peer and ex-Deputy PM told an audience at The Bishop's Stortford High School he has no time for Brexiters and Jeremy Corbyn is 'mad'.
The litter pick by the youngsters and their parents extended to the Thorley Neighbourhood Centre and around the Harvest Moon pub.
County Hall's decision clears the path for The Bishop's Stortford High School's London Road campus to be demolished to make way for 240 homes.
Lt Col Mark Genko, Commander of 13 Air Assault Support Regiment and head boy in 1992, praised their drill, turnout, commitment and enthusiasm.
Mum Michelle Brady and Addie's close friend Amber Peck unveiled a plaque for a tree planted in memory of the brain tumour victim who died at 16.
The children were shown the important work the Bishop's Stortford Food Bank at the Methodist Church does with the community.
The Warwick Road secondary was one of only 25 schools nationwide to be short-listed for the final stage of a rigorous accreditation process.
All but one of the 11 primary schools in Bishop's Stortford plus six village schools have teamed up to improve things for themselves and their pupils.
Mark Prisk was given tour by pupils and spoke to head and governor about issues such as budgets and recruiting staff in an area of high housing costs.
The school will be open on Saturday November 16, giving former students the chance to relive the sights, sounds and smells of their schooldays.
The year 5 pupils filled the Rhodes auditorium with their angelic voices to showcase how music can improve the well-being of people with dementia.