GL Assessment

What GL Assessment does

GL Assessment is the UK's leading provider of standardized formative assessments and associated teaching and learning tools, serving primary, secondary, independent and grammar schools, Multi-Academy Trusts and Local Authorities across the UK and Ireland. Founded in 1980 and headquartered in Brentford, the company operates as a wholly-owned subsidiary of US-based Renaissance Learning Inc. following an acquisition around 2023. Its portfolio includes over 40 standardized assessment products for ages 4–18+, with flagship assessments CAT4 (Cognitive Abilities Test), NGRT (New Group Reading Test), the Progress Test Series (English, maths, science), PASS (Pupil Attitudes to Self and School) and WellComm (speech and language), plus a dedicated SEND/dyslexia assessment suite and admissions testing for grammar and independent schools. Post-acquisition, GL Assessment also distributes the Renaissance teaching and learning portfolio (Accelerated Reader, myON, myON News, Freckle, Nearpod) into its UK/Ireland base.

The technology stack combines paper-based and digital delivery with computer-adaptive testing that adjusts question difficulty in real time (notably in NGRT, NGMT and Freckle), predictive analytics against national benchmarks, and integrated reporting via Testwise, GL Ready and the Renaissance Gateway Platform. Assessment products are standardized on large UK student samples (e.g., CAT4 on 25,000; PASS on 600,000) and re-verified annually against hundreds of thousands of student records, forming the data backbone of the franchise. Generative AI is featured within Nearpod's AI Create (Lesson and Question Generators), explicitly powered by OpenAI's GPT-4.o mini with proprietary intermediary prompts and validation layers, rather than through in-house models.

Revenue is generated primarily through recurring school subscriptions for assessment and teaching and learning platforms, supplemented by one-time admissions testing services for independent and grammar schools (in which GL Assessment is the largest UK provider). The go-to-market is a direct enterprise field-sales motion with dedicated education-sector advisors, quote-based pricing, and self-service online platforms (Testwise, GL Ready, RGP). Demand generation is supported by an extensive content marketing apparatus, including research reports ('Lost for Words', 'Careful Calculation'), podcasts, webinars, and a large library of school and trust case studies. The customer base comprises over 10,000 schools and 100 Local Authorities, providing broad revenue diversification across the UK and Ireland education sector.

Name

GL Assessment

Legal name

Renaissance Learning UK Limited

Website

https://gl-assessment.co.uk

Company type

Private

Founded year

1980

Operating status

Operating

Headcount range

101–250 employees

Short description

GL Assessment is the UK's leading provider of standardized formative assessments and teaching/learning tools, serving 10,000+ schools and 100+ local authorities across UK and Ireland. A wholly-owned subsidiary of Renaissance Learning Inc. since 2023, it offers CAT4, NGRT, PASS, WellComm and the Renaissance suite including Accelerated Reader, myON, Freckle and Nearpod.

Ownership category

akta.pro rank

Headquarters

HQ city

Brentford

HQ country

United Kingdom

HQ region

Europe

Offices1 record

Markets served

GTM type

B2B

Offering type

Software

Cost components

Personnel, Technology or R&D, Marketing or Sales, Operations, Supply Chain

Revenue model

1. Educational Assessment Products: GL Assessment generates revenue through the sale of educational assessments to schools across UK and Ireland. Products include standardised tests, cognitive ability assessments, attainment tests, and SEND screening tools available in both digital and paper formats. Schools purchase licenses or subscriptions to access assessment platforms and reporting tools.
2. Teaching and Learning Tools: Revenue from teaching and learning platforms including Accelerated Reader, myON, myON News, Freckle, and Nearpod. These tools support daily classroom instruction and independent practice, generating recurring revenue through school subscriptions.
3. Admissions Testing Services: Income from providing admissions assessments to independent and grammar schools, including 11+ tests and fair banding assessments. GL Assessment is the largest provider of admissions tests to independent and grammar schools in the UK.

Go-to-market motion2 records

Distribution channels5 records

Marketing channels12 records

Core offering

GL Assessment is the leading UK provider of formative standardised assessments and teaching/learning tools to schools, Multi-Academy Trusts and Local Authorities. Its portfolio includes cognitive ability tests (CAT4), reading assessments (NGRT), attainment tests (Progress Test Series), wellbeing surveys (PASS), speech and language screening (WellComm), SEND tools, and admissions/fair banding tests, delivered via digital platforms (Testwise, GL Ready, RGP) as subscriptions and licenses.

Product overview

GL Assessment is the UK's leading provider of formative assessments to schools, now operating as a Renaissance company. The portfolio comprises over 40 standardised assessment products for ages 4-18+ alongside teaching and learning tools. Core assessments include CAT4 (reasoning abilities), NGRT (reading), Progress Test Series (English, maths, science attainment), PASS (wellbeing/attitudes), and WellComm (speech and language). The teaching and learning suite includes Accelerated Reader, myON, myON News, Freckle (maths practice), and Nearpod (interactive teaching platform). SEND-specific tools cover dyslexia, dyscalculia, and cognitive profiling. Additional offerings include admissions testing, health & psychology assessments, and analytics dashboards. Products are delivered via Testwise (digital testing platform), GL Ready, and Renaissance Gateway Platform, with over 10,000 schools and 100 local authorities using the assessments.

Differentiator

Problem solved

Functional benefit

Brands

• GL Assessment: Primary brand for educational assessments including CAT4, NGRT, Progress Test Series, PASS, and WellComm for UK and Ireland schools.

Products and services

• CAT4 (Cognitive Abilities Test) A standardised reasoning abilities test for children aged 6-17+ years covering verbal, non-verbal, quantitative and spatial reasoning. Standardised on 25,000 students and benchmarked annually against 250,000+ student responses. Provides predictive indicators for KS2, 9-1 GCSE, A level and IB examinations.
• NGRT (New Group Reading Test) A fully adaptive, standardised, termly digital reading assessment for students aged 6-16 years testing sentence completion and passage comprehension in 30-50 minutes. Standardised against over 11,700 UK students with annual verification using almost 500,000 students, providing reading ages, Standard Age Scores and targeted intervention recommendations.
• Progress Test Series (PTE, PTM, PTS) Subject attainment tests for English, maths and science covering ages 4-14+, including Progress Test in English, Progress Test in Maths and Progress Test in Science. Standardised on over 100,000 children with annual benchmarks verified against half a million students, measuring knowledge, understanding and application against national curriculum benchmarks.
• PASS (Pupil Attitudes to Self and School) A 20-minute digital survey for students aged 4-18+ identifying non-academic barriers to learning and engagement including motivation, confidence and wellbeing. Standardised on 600,000 children, identifies nine standardised factors with proven links to educational outcomes and provides 70+ evidence-based interventions. Available in 27 languages for EAL students.
• WellComm Complete speech and language toolkit from screening to intervention for children aged 6 months to 11 years. Provides quick 10-15 minute universal screening with traffic light (red/amber/green) reporting, Big Book of Ideas with 150 play-based activities, and requires no specialist speech or language knowledge to administer.
• Accelerated Reader Reading practice tool for primary and secondary students providing personalised book recommendations within reading range, comprehension quizzes for over 44,000 books, and ZPD-based target setting to build fluency and comprehension.
• myON Digital Library Digital library providing unlimited access to thousands of high-quality authentic digital texts with inclusive tools for literacy learning. Features 24/7 access, cross-curricular content, dynamic reading recommendations based on age, interests and reading level, and built-in teaching tools.
• myON News Daily age-appropriate news platform publishing articles 52 weeks a year in five languages (English, Spanish, French, Mandarin, Arabic) at three reading levels to build critical literacy, with audio narration and comprehension features.
• Freckle Adaptive Maths Personalised maths practice platform for Years 1-9 (ages 5-14) delivering adaptive practice through over 60,000 standards-aligned questions. Features computer-adaptive starting-point placement, gamified elements, coin rewards, and real-time dashboards for progress tracking.
• Nearpod Interactive online teaching and learning platform with real-time insights, interactive lessons, quizzes, polls, videos, gamification, VR field trips and AI Create lesson generation powered by OpenAI GPT-4.o mini. 1.3 million lessons were taught through the platform in Europe in the last year.
• Testwise GL Assessment's online platform for schools to administer and report on GL assessments digitally.
• GL Ready Dedicated online platform for Rapid, CoPS and LASS 8-11 SEND assessments.
• Renaissance Gateway Platform (RGP) Access point for Renaissance customers to the Renaissance product suite including Freckle, Nearpod, myON and Accelerated Reader.
• Exact Digital screening tool to identify students entitled to exam access arrangements, providing supporting evidence for applications for ages 13-18+.
• Rapid Digital screening tool to identify strengths and challenges related to potential dyslexia for ages 4-15.
• CoPS Digital cognitive profiling tool for early identification of challenges with literacy skills and executive function for ages 4-7.
• LASS 8-11 Digital cognitive profiling tool to identify strengths and challenges with literacy skills and executive function for ages 8-11.
• Recall Assessment of executive function measuring working memory and processing speed in students aged 7-16.
• Dyslexia Screener Identifies dyslexic tendencies and recommends intervention strategies for ages 4+ to help pupils achieve their potential.
• Dyslexia Portfolio Detailed individual assessment evaluating literacy, processing and memory skills as a follow-up to the Dyslexia Screener or independently.
• Dyscalculia Screener Initial screener for teachers concerned about a pupil's numeracy progress and skills application.
• YARC (York Assessment of Reading for Comprehension) Detailed analysis of reading skills including accuracy, reading rate, comprehension and fluency for every phase of learning from early reading through secondary.
• BAS3 (British Ability Scales Third Edition) Comprehensive flexible assessment of various aspects of cognitive functioning for ages 3 to 18 years.
• HADS (Hospital Anxiety and Depression Scale) Single self-rating questionnaire that detects and indicates the severity of anxiety and depression simultaneously.
• GHQ (General Health Questionnaire) Self-administered questionnaire for identifying non-psychotic and minor psychiatric disorders.
• New Group Spelling Test (NGST) A fully adaptive, standardised, termly spelling assessment that works alongside NGRT with combined spelling and reading reports.
• New Group Maths Test (NGMT) A digital, adaptive, termly test measuring maths attainment from early years through secondary with national benchmarks.
• Sandwell Early Numeracy Test (SENT) Assesses pupils' ability with numbers and identifies specific numeracy skills requiring targeted teaching.
• Middle Infant Screening Test (MIST) Identifies early literacy difficulties and actively involves parents in recovery with the Forward Together programme.
• Emotional Literacy Uses teacher, parent/carer and pupil checklists to evaluate a pupil's emotional literacy for ages 7-16.
• PhAB/PhAB2 Essential toolkit to identify pupils with phonological difficulties for ages 5-14+.
• Schedule of Growing Skills (SoGS) Provides a reliable snapshot of a child's developmental level including areas of strength and potential delay.
• Fair Banding Assessments Non-verbal reasoning assessments used by schools to group pupils by ability ensuring proportionate spread. GL Assessment is the largest provider of fair banding assessments in England, with an extensively trialled, constantly evolving question bank and Quartz custom-built scoring software.
• Admissions Tests for State and Independent Schools Comprehensive admissions assessments covering verbal reasoning, non-verbal reasoning, spatial reasoning, English and maths for independent and grammar schools, with accompanying RNIB guidelines for vision-impaired candidates.
• KS3 Assessment Package Seven of GL Assessment's leading assessments combined for simple, reliable and consistent KS3 benchmarking and progress tracking.
• Complete Digital Solution Ready-made digital package of GL Assessment's leading assessments for comprehensive school assessment.
• Senior Independent School Assessment Package Ready-made assessment package tailored to the needs of Senior Independent schools.
• Pre-prep Independent School Assessment Package Ready-made assessment package tailored to the needs of Pre-Prep Independent schools.
• Prep Independent School Assessment Package Ready-made assessment package tailored to the needs of Prep Independent schools.
• GL Data Dashboard Centralised dashboard that joins up all GL Assessment results, making assessment data simple to access and easier to understand across schools and trusts.
• 11+ Practice Packs Practice packs used by candidates preparing to sit GL Assessment 11+ admissions tests.

Quantifiable outcome

• Schools using standardised assessments have lifted SAT scores to nearly 70%
• +4 more outcomes

Named customers23 records

Segments6 records

Ideal customer profiles6 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Integration11 records

AI capability17 records

Feature9 records

Partnerships

Four partnerships are on record, tiered minor and core.

• Royal National Institute of Blind People (RNIB)minorStrategic or Co-development Partner · 1 June 2024RNIB collaborated with GL Assessment to develop guidelines on the production and administration of fair banding tests for children with vision impairment. Guidelines were updated as part of a collaborative process commenced in June 2024.
• Renaissance LearningcoreStrategic or Co-development PartnerGL Assessment is now a Renaissance company, having joined the Renaissance family two years ago to create a global leader in education technology. This acquisition brought together GL Assessment's assessment expertise with Renaissance's teaching and learning tools including Accelerated Reader, Freckle, myON, and Nearpod.
• AlpscoreStrategic or Co-development PartnerAlps and GL Assessment partnered to help independent schools improve student outcomes by combining CAT4 baseline data with Alps' progress tracking. This integrated approach enables schools to assess both attainment and progress, supporting targeted interventions and meeting inspection requirements.
• National NumeracyminorStrategic or Co-development PartnerPartnership with National Numeracy to share free resources and practical strategies to build pupil confidence and success in maths. Featured in a webinar on boosting number confidence and tackling maths anxiety.

Scale indicators19 records

Recent moves6 records

Expansion highlights6 records

Emerging players

• Lexplore: Swedish AI-based reading assessment that screens reading fluency and comprehension through eye-tracking. Comparable to GL's NGRT as an AI-augmented reading assessment for schools.
• Twinkl: UK-based digital educational publishing and resource subscription platform for primary and secondary schools. Comparable UK-channel market position and school subscription model, although more focused on teaching resources than standardised assessment.
• ClassDojo: Widely-adopted school communication, wellbeing and classroom management platform touching formative assessment domains (Portfolios, wellbeing) overlapping with GL's PASS and teaching tools but free-tier driven.
• CENTURY Tech: UK AI-driven adaptive learning platform for schools that combines diagnostic assessment, personalisation and content. Comparable as a UK school assessment-adjacent platform using AI adaptive techniques similar to NGRT and Freckle.

Broad incumbents

• Pearson: Global education incumbent with UK assessment, qualifications and school digital products (e.g., Pearson Assessment). Comparable at the broad education portfolio level but much wider in scope than GL's K-12 formative focus.
• Cambridge University Press & Assessment: Operates the largest UK assessment and qualifications body and offers school assessments including CEM (Centre for Evaluation and Monitoring). Direct overlap with GL in cognitive abilities testing and school benchmarking.
• Renaissance Learning Inc. US-based parent company of GL Assessment and a global leader in pre-K-12 edtech. Directly comparable as the ultimate product suite owner (Accelerated Reader, myON, Freckle, Nearpod overlap with GL's tools).

Direct peers

• Hodder Education: UK educational publisher and assessment provider including practice 11+ materials and school assessment tools. Competitor in the UK school assessment and 11+ preparation markets.
• RM plc: UK-listed education technology and assessment provider (RM Results, RM Assessment, Easel) serving schools, MATs and awarding bodies. Direct competitor in school assessment infrastructure and digital testing.
• National Foundation for Educational Research (NFER): UK-based not-for-profit producing standardised assessments (e.g., NfER Progress Tests, reading and maths tests) widely used by UK primary schools. Closely comparable product set to GL's Progress Test Series.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat6 records

Key risks6 records

Key highlights7 records

Customer concentration

• Xx.com/gl_assessment
• YouTubeyoutube.com/channel/UCgie0lGsSHvhGeP0fmI0oLQ
• Facebookfacebook.com/RenLearnUK
• LinkedInlinkedin.com/company/gl-assessment

Revenue estimate

Valuation estimate

Number of profiles

Profiles1 record

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about GL Assessment