# The Education (School Performance Information) (Wales) Regulations 1998, Paragraph 1


The total number of pupils aged 11, 12, 13, 14 or 15 registered at the school on the Schools’ Census enumeration date in the school year immediately preceding the publication school year.

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Source: https://www.legislation.gov.uk/uksi/1998/1867/schedule/4/paragraph/1 (the official version)
Page: https://openlegislation.uk/education-school-performance-information-wales-regulations-1998/schedule-4/paragraph-1
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.