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Data Provider: Welsh Government National Statistics 24a. Education - Percentage of pupils at Key Stage 2 achieving the core subject indicator (WEL)
Chart corresponding to the data table



Key Stage 2

Last update

9 August 2017 9 August 2017

Next update

No longer updated

Publishing organisation

Welsh Government

Source 1

National teacher assessment data collection, Welsh Government

Contact email


National Statistics

Lowest level of geographical disaggregation

Local authorities

Geographical coverage


Languages covered

English and Welsh

Data licensing

You may use and re-use this data free of charge in any format or medium, under the terms of the Open Government License - see

General description

It is statutory to assess pupils in Year 6 at Key Stage 2.

Data collection and calculation

Data is collated into an electronic return and submitted to the Welsh Government through DEWi, a secure online data transfer system developed by the Welsh Government. Various stages of automated validation and sense-checking are built into the process to ensure a high quality of data.

Frequency of publication


Data reference periods



KS2; Key Stage; Teacher Assessments; Key Stage