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TeacherJohn O'Sullivan
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Exam6th Year, Leaving Certificate
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LevelHigher Level
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Learning ModeLive Online
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Day/TimeWednesdays, 6:45 PM - 7:45 PM
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Duration29 Weeks (1st week free)
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Start Date3rd September 2025
Meet Your Teacher
John O'Sullivan
These weekly online grinds are delivered by our Head of Chemistry, Mr John O’Sullivan.
John has been teaching Leaving Certificate Chemistry for over 23 years. He holds a degree in Chemistry and a H-Dip in Maths Teaching. Currently, he is assistant principal and the Head of ICT at his school.
John has an extensive understanding and profound knowledge of the Chemistry course. For the past 10 years, he has been designing his own Mock exams. He has delivered revision courses and tutored Chemistry as an extra subject for over 15 years.
John has established an outstanding reputation for his ability to simplify complex course material and emphasise the critical aspects of each topic. Students have benefited from his expertise, teaching proficiency, and dedication to their academic success, leading to excellent results over many years.
John has been teaching Leaving Certificate Chemistry for over 23 years. He holds a degree in Chemistry and a H-Dip in Maths Teaching. Currently, he is assistant principal and the Head of ICT at his school.
John has an extensive understanding and profound knowledge of the Chemistry course. For the past 10 years, he has been designing his own Mock exams. He has delivered revision courses and tutored Chemistry as an extra subject for over 15 years.
John has established an outstanding reputation for his ability to simplify complex course material and emphasise the critical aspects of each topic. Students have benefited from his expertise, teaching proficiency, and dedication to their academic success, leading to excellent results over many years.
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What will be covered
- Rates of Reaction
- Equilibrium
- pH and indications
- Water chemistry
- Organic chemistry
- Revision of the whole course.
What to expect
Sign up for this course now!
Our students love us
I decided to take up Chemistry last April as an outside school subject two months before the exam as I needed a H4 for course requirements. With John’s expert tuition I achieved a H3 in the leaving cert exam. He was exam-focused in his approach. He explained the difficult concepts and experiments clearly. This was particularly impressive considering all our grinds were done over zoom. He has a clear passion for the subject and a real interest in his students. My result would not have been possible without him.
Mr. O Sullivan’s Chemistry exam had a great balance of questions with enough challenging ones to keep me studying and not to start relaxing but also with some manageable ones to boost my confidence and reassure me I was on the right path.
The grinds were really helpful and worthwhile. Once I started the grinds I was able to pinpoint and focus on the difficult parts of the course which benefitted me a lot. I felt I was well prepared for my exam which definitely helped relieve a lot of stress
The pre-exam gave me an insight into what areas of the course I needed to focus on and it was a great to experience doing a full Leaving Cert style Paper.
