GL Assessment
Corporate brand
UnclaimedGL Assessment is a provider of assessments to schools across the UK and Ireland, now part of Renaissance.
Last updated September 15, 2026
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Overview
GL Assessment describes itself as the leading provider of assessments to schools across the UK and Ireland, and states it is now a Renaissance company offering an expanded portfolio of teaching and learning tools. Its assessments are stated to be trusted by over 10,000 schools and 100 local authorities in the UK and Ireland, backed by over 40 years of research-backed development. Its product range spans baselining, attainment, and language and literacy, including CAT4, the New Group Reading Test (NGRT), PASS and WellComm.
History
GL Assessment states that it has over 40 years of research-backed development and success. It describes itself as the leading provider of assessments to schools across the UK and Ireland, and states that it is now a Renaissance company, offering an expanded portfolio of teaching and learning tools. Its assessments are stated to be trusted by over 10,000 schools and 100 local authorities in the UK and Ireland.
Products and positioning
Leading provider of assessments to schools across the UK and Ireland; now a Renaissance company offering an expanded portfolio of teaching and learning tools.
CAT4
The Cognitive Abilities Test (CAT4) is described as the UK and Ireland's most widely used test of reasoning abilities for children aged 6–17+ years, assessing verbal, non-verbal, quantitative and spatial reasoning.
New Group Reading Test (NGRT)
A fully adaptive, standardised, termly reading assessment.
PASS
A tool that supports pupils' wellbeing in learning and offers practical next steps.
WellComm
The complete speech and language toolkit, from screening to intervention.
Progress Test in English
Track student attainment and progress in English.
Progress Test in Maths
Track student attainment and progress in maths.
Progress Test in Science
Track student attainment and progress in science.
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