Table 2.

Distribution of known potential exposure to infection by setting for staff and pupils (excluding staff contracted to multiple schools, and pupils aged 11 years or 18+ years)

Exposure to a known SARS-CoV-2 positive case for staff and pupils in the 14 days preceding window of their first SARS-CoV-2 positive test from 1 August 2020 to 25 December 2020
Setting	Staff			Pupils
	n	% of positive cases	% of total cohort	n	% of positive cases	% of total cohort
School-only exposure	1750	58.63 %	3.47%	3352	43.62 %	0.81%
Household-only exposure	232	7.77 %	0.46%	633	8.24%	0.15%
Both school and household exposure	509	17.05 %	1.01%	3055	39.76 %	0.74%
Neither house nor school exposure	494	16.55 %	0.98%	644	8.38%	0.16%