Most chosen AI mock exam marking service in England.

Excelas Light

Featured Article

The 6-Mark Question Nightmare: How to survive the Subjectivity of Science Marking

A guide to overcoming subjectivity in GCSE Science marking, using the 'Ladder Method' for 6-mark questions, and how to ensure consistency.

December 5, 2025
Phoebe Ng
Read article
The 6-Mark Question Nightmare: How to survive the Subjectivity of Science Marking

Recent Articles

Watch: Turn Handwritten Exams into Data in 3 Steps (No New Hardware)
Phoebe NgPhoebe Ng
Dec 2

Watch: Turn Handwritten Exams into Data in 3 Steps (No New Hardware)

A 3-step guide on using existing school photocopiers to automate handwritten exam marking and data entry with Excelas.

Read article
The "Error Carried Forward" Hack: How to Get Marks Even When You're Wrong
Phoebe NgPhoebe Ng
Dec 1

The "Error Carried Forward" Hack: How to Get Marks Even When You're Wrong

Learn the secrets of M1 marks and Error Carried Forward (ECF) to maximise your exam score, even when your calculations g...

Read article
How to Prepare for GCSE Science Mocks: A HoD’s 6-Week Checklist
Phoebe NgPhoebe Ng
Nov 24

How to Prepare for GCSE Science Mocks: A HoD’s 6-Week Checklist

Run a stress-free mock season with this 6-week logistical countdown, covering everything from paper selection and tierin...

Read article
Decoding the Mark Scheme: What are AO1, AO2, and AO3 in Science?
Phoebe NgPhoebe Ng
Nov 24

Decoding the Mark Scheme: What are AO1, AO2, and AO3 in Science?

Go beyond the answer key. Understand the hierarchy of AO1, AO2, and AO3, and master the specific marking rules like the ...

Read article
Is it safe to use AI to mark student exams? A guide to the ethics of automated assessment.
Phoebe NgPhoebe Ng
Nov 17

Is it safe to use AI to mark student exams? A guide to the ethics of automated assessment.

Navigate the ethical landscape of AI exam marking. Learn what to look for in secure, fair, and transparent automated ass...

Read article
Can AI Boost My Students' Grades? (Spoiler: Yes, and Here's the Evidence)
Phoebe NgPhoebe Ng
Nov 17

Can AI Boost My Students' Grades? (Spoiler: Yes, and Here's the Evidence)

Discover how AI marking delivers personalised, actionable feedback that helps students identify their blind spots and bo...

Read article
Why is Teacher Retention a £1.5B Problem for UK Schools?
Phoebe NgPhoebe Ng
Nov 11

Why is Teacher Retention a £1.5B Problem for UK Schools?

Exploring the £1.5B annual cost of teacher attrition and how addressing workload through AI is key to building a genuine...

Read article
What Does the New Triple Science Policy Actually Mean for Your Department?
Phoebe NgPhoebe Ng
Nov 11

What Does the New Triple Science Policy Actually Mean for Your Department?

The government's 'triple science for all' policy is a huge win for social mobility, but it creates an impossible logisti...

Read article
The Data-Driven Department: How to Run a Results Meeting That Actually Improves Teaching
Phoebe NgPhoebe Ng
Nov 4

The Data-Driven Department: How to Run a Results Meeting That Actually Improves Teaching

Transform your post-mock results analysis from a data autopsy into a powerful diagnostic planning session that drives re...

Read article
'Marking is a Mental Marathon': Simple Strategies to Combat Teacher Burnout
Phoebe NgPhoebe Ng
Nov 3

'Marking is a Mental Marathon': Simple Strategies to Combat Teacher Burnout

Discover practical strategies to manage the mental exhaustion of marking while protecting your wellbeing and professiona...

Read article
The Hidden Cost of Teacher Burnout (And How Smart Tech Can Improve Staff Retention)
Phoebe NgPhoebe Ng
Oct 23

The Hidden Cost of Teacher Burnout (And How Smart Tech Can Improve Staff Retention)

Exploring the quantifiable financial and operational costs of teacher burnout and how strategic technology investment ca...

Read article
The Weekend Thief: A Look at the Real-Time Cost of Marking GCSE Maths Papers
Phoebe NgPhoebe Ng
Oct 23

The Weekend Thief: A Look at the Real-Time Cost of Marking GCSE Maths Papers

Exploring the hidden time cost of marking GCSE maths papers and how teachers can reclaim their weekends while maintainin...

Read article
Decoding the Mark Scheme: What Are B1, M1, and A1 Marks in Maths?
Phoebe NgPhoebe Ng
Sep 27

Decoding the Mark Scheme: What Are B1, M1, and A1 Marks in Maths?

Understanding the cryptic mark scheme codes and why this brilliant system for fair assessment is so difficult for humans...

Read article
A MAT Leader's Guide to Standardising Assessment Data Across Multiple Schools
Phoebe NgPhoebe Ng
Sep 26

A MAT Leader's Guide to Standardising Assessment Data Across Multiple Schools

How Multi-Academy Trust leaders can achieve true data standardisation across their schools using centralised AI-powered ...

Read article
Can an AI Truly Think Like an Examiner? Exploring the Nuances of Automated Assessment
Phoebe NgPhoebe Ng
Sep 25

Can an AI Truly Think Like an Examiner? Exploring the Nuances of Automated Assessment

Exploring whether artificial intelligence can replicate the professional judgment and nuanced decision-making of experie...

Read article
Why 'Follow Through' Marks Are a Nightmare to Get Right
Phoebe NgPhoebe Ng
Sep 24

Why 'Follow Through' Marks Are a Nightmare to Get Right

Exploring the challenges of error carried forward (ECF) marking in mathematics and practical strategies to ensure fairne...

Read article
A Head of Maths' Biggest Challenge: Ensuring Marking Consistency Across the Department
PhoebePhoebe
Sep 16

A Head of Maths' Biggest Challenge: Ensuring Marking Consistency Across the Department

A look into the challenges Heads of Maths face with marking consistency and practical strategies, including moderation a...

Read article
Students Only Look at the Score? 7 Actionable Feedback Strategies for Maths
PhoebePhoebe
Sep 16

Students Only Look at the Score? 7 Actionable Feedback Strategies for Maths

Discover why students often ignore written feedback in favor of the final score, and learn actionable strategies to make...

Read article
How to Mark a GCSE Biology 6 Marker
John QuyJohn Quy
Jun 3

How to Mark a GCSE Biology 6 Marker

Student examples and how to mark a common GCSE Biology question around enzymes

Read article
AI Marking – Why Keeping Humans in the Loop Matters
John QuyJohn Quy
Mar 1

AI Marking – Why Keeping Humans in the Loop Matters

Exploring the symbiotic relationship between AI and human expertise in educational assessment

Read article
Standardising the wrong thing?
John QuyJohn Quy
May 13

Standardising the wrong thing?

NC (National Curriculum) and GCSE High Stakes Assessment

Read article
Does learning make us conscious?
John QuyJohn Quy
May 13

Does learning make us conscious?

An Examination of Learning theories and Consciousness in the Human Mind

Read article
You don't think of monster trucks when it comes to safety…
John QuyJohn Quy
Mar 21

You don't think of monster trucks when it comes to safety…

An holistic overview of how to design EdTech products safely in the wake of AI

Read article
Stay Updated

Subscribe to Our Newsletter: Solving for X

Get the latest updates on AI in education, exam preparation strategies, and exclusive resources for teachers.