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By Donnell Koh | 11 February 2019

Attending Mr Koh’s A Level Chemistry tuition lessons at Twig was probably the best academic decision I’ve made in JC. After I scored a solid U grade for CT1s in J2, I was on the verge of giving up entirely on H2 Chemistry, thinking that I would never ever understand anything. But Mr Koh’s lessons were extremely well-crafted, logical and engaging – learning has seldom been made as fun or satisfying. I attribute my eventual A-level H2 Chemistry A grade to Mr Koh’s patience, dedication and masterful explanations. He really takes the time to ensure each student fully understands the concepts he teaches, and not just memorises the content. Mr Koh is a true first-class teacher, and I will definitely recommend him to anyone who is looking for an excellent chemistry tutor!