Student learning with an online chemistry tutor

Professional online chemistry tutor for GCSE, IGCSE, A Level, IB and university level

Improve your grades with one of the UK’s most qualified and experienced online chemistry tutors

Meet the tutor:

Dr Carl Thirsk - leading provider of online chemistry tuition

Dr Carl Thirsk MChem PhD PGCE MRSC QTS

  • Masters, PhD and PGCE from three Russell group universities

  • Qualified teacher and examiner of chemistry

  • 6+ years’ teaching experience

  • Over 15 years’ professional and industry experience working in chemistry

  • Experienced online chemistry tutor with students in 22 countries

  • Clean and up-to-date DBS (criminal record) check

Hi, I’m Dr Carl, one of the UK’s leading online chemistry tutors!

I am a PhD-educated, qualified teacher and examiner for chemistry with an outstanding record of improving grades and confidence.

I specialise in bespoke online chemistry tuition for GCSE, IGCSE, A level and International Baccalaureate Diploma chemistry.

On average, over 80 % of my students get top grades and win places to study highly competitive degree programmes (such as medicine, dentistry and veterinary medicine) at leading universities.

I help students:

Gain more confidence by ensuring there are no knowledge gaps

Develop the deeper understanding needed for the hardest questions

Improve exam technique using intimate knowledge of the exam system

Get the best grade by sharing exam tips and providing detailed feedback

Prepare for exams by providing high quality resources

Develop more effective and efficient study skills

As a full-time online chemistry tutor, I am 100% committed to my students’ success and guarantee a reliable and professional service.


“Hi Carl,

I’ve got into the Royal Veterinary College to study Veterinary Medicine with an A in Chemistry!

I honestly can’t thank you enough for how much you have helped me grow in my ability and confidence.

Thank you so so much!”
This sentence is invisible
This sentence is invisible

A Level chemistry student, results' day 2018 email

K****** got Chemistry A* and A in Maths and Biology.

Because of A* in chemistry, she got her first choice UCL medical school.

Thanks very much for your help in tuition. Really appreciate it.

This sentence is invisible

This sentence is invisible

Dr S, parent of AQA A Level chemistry student
“Carl, thanks for your help tutoring Joshua.

You exceeded our expectations and we were happy with the outcome.

As a result, he is soon travelling to UK to take up a place at the University College, London. Thanks.”
This sentence is invisible
This sentence is invisible

Parent of IB HL chemistry student, achieved level 7
“Hi Carl,

Hope you are well.

We received our a level results on Thursday and we both got an A in chemistry!”

This sentence is invisible
This sentence is invisible

Twins tutored for OCR A Level chemistry, results' day 2018 email

“Сarl is an exceptional tutor…before Carl started to prepare my son for 13+ exams to top rated schools, the topic of each session was planned a year in advance before the exam to cover all the material.

As a result, my son has got offers of place in both schools.

Thanks a lot Carl!”

Mrs K, parent of student tutored for 13+ science


Latest content:

  • Students celebrating achieving an A* in A Level chemistry

How to get an A* in A Level Chemistry

How to get an A* in A Level Chemistry Complete understanding of the syllabus, outstanding problem-solving skills, excellent exam technique and a focused plan are the key elements of securing the top grade for A level chemistry. Achieving an A* in A Level chemistry is difficult – only around 1 in 10 [...]

Easy way to balance chemical equations for GCSE

Easy way to balance chemical equations for GCSE Balancing chemical equations A chemical equation balancing question is normally worth 1 or 2 marks, which means you have at most 2 minutes to solve it. Everyone is taught the table method when learning to balance chemical equations (where you use a table to track [...]

  • Two men arm-wrestling

Is IB chemistry harder than A Level chemistry?

Is IB chemistry harder than A Level chemistry? Chemistry is a popular and essential science for many degrees, so it’s no surprise to find many IB chemistry versus A Level chemistry discussions on the internet debating which programme is the easier route into university. In this blog, I compare the current IB and [...]

  • Algebraic equations used to balance harder chemical equations

Balancing chemical equations using algebra

Balancing chemical equations using the algebraic method In the last of my series on balancing chemical equations, we look at the algebraic method, which is useful for balancing the hardest equations Whilst the combination of algebra and balancing chemical equations might sound horrifying, it’s not as bad as it sounds. The algebra [...]

  • A shower of sparks to symbolising an ionic redox equation

What are ionic equations and ionic half-equations?

Step-by-step guide to understanding and writing ionic equations Aimed at GCSE, A Level and IB students, this guide will help you master the difficult skills of writing half-equations and ionic half-equations What are ionic equations? Ionic equations are chemical equations that show only ions that participate in a chemical [...]

  • Rocks balanced on top of each other to represent balancing chemical equations

Balancing redox reactions

Oxidation number method for balancing redox reactions The combination of redox and balancing chemical equations is enough to strike fear into the heart of any chemistry student. Read on to learn how to master this essential skill… In my last blog, I covered seven rules you can use to balance chemical equations, [...]