The platform provides 90% accurate automated marking of homework, essays, posters, and presentations. You provide the essay and the marking methodology and we do the rest.
We use AI to mark the work. When you submit an essay and marking methodology, we return the essay in text format and in a pdf download with marking included.
Our marking is estimated to be around 90% accurate. It is an aid, not a replacement for the skills and experience of teachers and lecturers.
No! We have specifically designed the system so that we don’t retain the documents that we mark. The data sent back to your browser is transient.
No, we’re not interested in this data. We do not store this data.
AI systems aim to reduce bias, it should therefore be as impartial and fair as possible.
We have a number of academics who have validated the accuracy of the system.
We use userinterviews.com to ask teachers directly. Original market research conducted in April 2025 (Sample size of 11).
Other supporting sources:
Department for Education, Workload Challenge survey (2014), c. 44,000 teachers, as reported in Elliott, V. et al. (2016) A Marked Improvement? Education Endowment Foundation / University of Oxford
Finding: Secondary teachers: 9.4 hours/week marking
University and College Union (UCU), Workload Survey 2021
Higher and further education staff work the equivalent of at least two unpaid days a week on top of contracted hours; 26% of FE/HE staff work over 50 hours/week in term time
We update our system periodically. You won’t see a difference but you may notice the system becoming more accurate or more formats being accepted.
No, access to the internet is needed to use the platform.
Click the sign up button in the header of our website. Select the volume account you’d like and follow the steps.
Please contact us directly using our contact form to purchase an enterprise licence.
You can invite other teachers by using the referral button on the header of the website.
The platform isn’t designed for students, but they are welcome to use it. Our Ultra Lite level is likely to be sufficient for your needs.
See the five simple steps on our homepage.
You can get a result in as fast as 20 seconds. This speed depends on the size of your file and the speed of your internet connection.
Of course! The results provided by our service are meant as assistance for teachers and lecturers. It is not designed to replace the skills and experience of those who have a career in education and academia.
Yes! Open-ended responses are evaluated in the same way as other text.
Yes, the system can identify when an answer is partially correct and gives it the corresponding marking.
Without a hitch! On Your Marks can handle differences in spelling, grammar and even different languages.
Absolutely, you provide the marking criteria and how it should be scored. This could be your design or from an exam board.
Yes, a rubric is a great way of demonstrating how the marking should be applied.
Feedback is generated by AI. The large language model uses your marking criteria and evaluates how well the essay scores against the criteria.
Of course, the data that On Your Marks supplies back to your browser is transient. We recommend you copy or download the feedback. The system is here to support teachers and lecturers, we fully expect you to use your skills to further enhance the feedback to the student.
Yes! Please use our contact form with the example of the incorrect marking. We will use your feedback to further enhance our software engine. Please note that we only provide an estimate of 90% accuracy in the marks returned.
This may happen occasionally as AI are an emergent technology. Over time the technology will become more accurate.
Please see our pricing page for subscription rates.
Yes, all of our subscription levels except ultra lite include free sessions.
Most of our subscriptions are billed monthly to your selected card/PayPal account. Our Ultra Lite service automatically terminates after one month unless it is upgraded to a higher level service.
Yes, we offer pricing both on a monthly and annual basis.
When your subscription expires, the platform prompts you to either upgrade or refresh your payment details.
No, we do not offer refunds.
The same features appear on all plans. The only difference is the price and the volume of sessions per month.
We provide enterprise licencing on request. We can tailor access to the system based on your needs. Please use the Contact Us form and we’ll be in touch.
We currently support the following formats: .docx, .pptx, .pdf, .jpg, .png, .gif, .txt, .rtf & .md
There are two upload sections. One for the marking methodology and one for the document to be marked.
Yes, the On Your Marks platform happily deals with quizzes and multi-step problems.
You can download results as PDF or copy the text on screen to the application of your choice.
Yes, If you want to resubmit the same assignment, with or without changes you’re welcome to submit it again.