Darren O’Brien is a Mathematics and an Applied Mathematics teacher. Darren has taught Higher Level Leaving Certificate Mathematics for 25 years. He has an in-depth understanding of the curriculum and the Leaving Certificate exam.
Darren O’Brien is a Mathematics and an Applied Mathematics teacher. Darren has taught Higher Level Leaving Certificate Mathematics for 25 years. He has an in-depth understanding of the curriculum and the Leaving Certificate exam.
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