The troupe of 14 girls from the Parsonage Lane secondary in Bishop's Stortford had "the best experience of their lives".
The general knowledge tournament took place at Bishop's Stortford College in the Ferguson Lecture Theatre.
Hertfordshire Catering Limited (HCL) is working on its response to the coronavirus outbreak.
The closure meant the school had to cut short its Big Bang science fair competition for pupils from nine local primary and junior schools.
Herts & Essex High sixth-formers gave up their beds on a Friday night and took part in a shelter-building challenge using cardboard found at school.
Bruno popped in to Leventhorpe secondary in London Road to talk to students who had raised a massive £10,000 for Essex Disabled Sports Foundation.
Year 3 pupils at Stansted's Magna Carta Primary Academy got a special behind-the-scenes tour of the Ryanair hangar and tried out a flight simulator.
In all, 95% of children were allocated a place at one of their choices by Hertfordshire County Council, but 22% missed out on their favourite.
he North Street business has provided a yellow donation bin so families can hand over good quality used books.
The pupil, who showed mild symptoms, attends St Michael's C of E Primary School in Apton Road and had visited a 'category 2 area' over half term.
East Herts approves masterplans which lift capacity on Bishop's Stortford High School site from 150 to 223 homes and at golf club from 50 to 62.