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We are thrilled to share that we have been featured in bestlah (Best In Singapore) as 1 of the Best Tuition Center in Singapore!!! Once again, thank you so much to bestlah.sg (Best In Singapore) for recognizing our continuous effort and we will continue our mission in empowering more students to excel academically! Glenn Lee (Founder of GLLC) https://images.squarespace-cdn.com/content/v1/5c2edec670e80283cbf8026f/447d7170-bbd9-4cb3-ae76-9d11df93429a/GLENN+LEE+LEARNING+CENTRE+Simibest+Award+Best+Tuition+Center.png <p class="" style="white-space:pre-wrap;">Katong O Level Tuition Centre | Online private tutor</p> - Thank you for the feature as 1 of the Best Tuition Centre in Singapore! We are pleased to share that we are featured in Simibest.sg as 1 of Best Tuition Center in Singapore! by Simibest.sg https://images.squarespace-cdn.com/content/v1/5c2edec670e80283cbf8026f/1656670569760-WUOJOLC0SK4DILBAPHIM/private-tutor-for-o-level-in-singapore.png <p class="" style="white-space:pre-wrap;">Katong O Level Tuition Centre | Online private tutor</p> - We’re Featured! THE 31 BEST TUTORS IN SINGAPORE FOR YOUR KIDS by BestinSingapore https://images.squarespace-cdn.com/content/v1/5c2edec670e80283cbf8026f/1654583811640-5VTOQWXEDS9B102IAVW0/toa-payoh-tuition-centre.png <p class="" style="white-space:pre-wrap;">Katong O Level Tuition Centre | Online private tutor</p> - WE ARE LISTED! WE ARE LISTED IN LISTING.SG https://images.squarespace-cdn.com/content/v1/5c2edec670e80283cbf8026f/13b1a8a2-f5be-4cb8-8617-4dff56d7e810/SmartSingapore-Colored.png <p class="" style="white-space:pre-wrap;">Katong O Level Tuition Centre | Online private tutor</p> - We’re Featured in Smart Singapore as one of the top Tuition Centres in Singapore! https://images.squarespace-cdn.com/content/v1/5c2edec670e80283cbf8026f/1654583834461-KLQ9YAJU6NXEB53SK8SW/katong-tuition-centre.jpeg <p class="" style="white-space:pre-wrap;">Katong O Level Tuition Centre | Online private tutor</p> https://images.squarespace-cdn.com/content/v1/5c2edec670e80283cbf8026f/580f5af1-6392-4980-b3d6-2b795d4712a1/2025+LESSON+SCHEDULE.jpg <p class="" style="white-space:pre-wrap;">Katong O Level Tuition Centre | Online private tutor</p> - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/5c2edec670e80283cbf8026f/1656670742147-BU9524J1MI1S70A6X8TX/o-level-online-tuition-singapore.jpg <p class="" style="white-space:pre-wrap;">Katong O Level Tuition Centre | Online private tutor</p> https://www.glennleelearningcentre.com/contact daily 0.75 2025-06-04 https://www.glennleelearningcentre.com/about daily 0.75 2019-04-24 https://images.squarespace-cdn.com/content/v1/5c2edec670e80283cbf8026f/1555567954076-8XICCNSS3PY3X59N1KRW/GLLC+FOUNDER+PROFILE+PIC About glenn lee Glenn Lee (Founder and Head Tutor) https://www.glennleelearningcentre.com/reviews daily 0.75 2025-02-09 https://images.squarespace-cdn.com/content/v1/5c2edec670e80283cbf8026f/1555350575283-WTLSXA60R6FJG60S7526/Review+by+2018+GLLC+Student+Kai Reviews - Kai Williams “I just completed my O-Levels and scored A1’s in A. Maths, E. Maths, Physics and Chemistry. Like many others, I turned to Glenn to help me reach my academic goals. Glenn started tutoring me at Secondary 3. And if you are like me, I strongly encourage you to do the same. Not only did Glenn tutor me in my academic studies, but he also helped me through the many challenges I encountered while I was in secondary 3 & 4. We did have a few bumps along the way but his belief in me helped to pull me through. Glenn motivated me throughout the two years and never gave up to help me reach my goals. I would like to thank Glenn for helping me feel more confident in myself and in everything I do. He is an amazing person in general. If you are looking for a tutor who is dedicated and produces results, and is also a good role model,Glenn should be your first choice. “ Elementary Mathematics : A1 Additional Mathematics: A1 Physics: A1 Chemistry :A1 Maintain 4 Distinctions for EMaths,Amaths,Chemistry, Physics for all examinations to Sec3 to Olevels!!! https://images.squarespace-cdn.com/content/v1/5c2edec670e80283cbf8026f/1555351185673-98Q737AQH899UHKB3OHI/Review+by+2018+GLLC+Student+Koh+Teng+Meng Reviews - Koh Teng Meng “A huge thank you to both glenn and desmond for helping me get through my final year. Glenn taught me maths and sciences while desmond taught me english and humanities. when i was secondary 3, all i did was play non stop and studies was not my top priority even towards the end of the yr. i was prepared to let the exams just be and let luck take its place. Then, around december i joined glenn and from there i totally changed. Not being academically strong, glenn helped me improve my basics and from there start to build the foundation before starting to teach me the whole syllabus. Mind u, he used just a few months to teach me everything i got to know to take on the o level examination. Not only has he pushed me to my limits in my studies but he also has improved my character overall,one being my confidence and that has really improved my lifestyle and my studies. Desmond uses examples that help me remember techniques easier while improving my vocab and knowledge of what's happening around the world to improve not only my writing but also how i answered questions for social studies. Both of them have their unique ways of teaching and they take teaching very seriously while providing a fun and educating environment. Both of them are confident in their teaching and they definitely have both the talk and the walk. Me in less than one yr under their guidance has allowed me to get a raw score of 8 for L1R4 and 10 for L1R5 for o lvls , not even with the help of cca points. If you are looking for help, this tuition is the one for u. “ From Sec3 SA2 to Olevels : Elementary Mathematics : C6 > A1(Improved by 5 grades!) Additional Mathematics: E8 > A1 (Improved by 7 grades!) Science(Physics/Chemistry) : C5 > A1(Improved by 4 grades!) English : C5 > B3 (Improved by 2 grades!) Combined Humanities : C5 > A2 (Improved by 3 grades!) Total Grade Improvement for 5 subjects: 21 GRADES! https://images.squarespace-cdn.com/content/v1/5c2edec670e80283cbf8026f/1555518362860-B6QU96PQAJFOMKBN5HF6/Review+by+2018+GLLC+Student++Lutfi Reviews - Lutfi “Thank you Glenn like legit thank you Glenn” S3 EOY to Olevels Elementary Mathematics: B4 >> A2(Improved by 2grades!) Additional Mathematics: F8 >> A1(Improved by 7grades!) Chemistry : D7 >> B3 (Improved by 4 grades!) Total Grade Improvement: 13 Grades ! https://images.squarespace-cdn.com/content/v1/5c2edec670e80283cbf8026f/1555342882291-ITFZDT6RKW6IXJ8767U8/Photo+with+2018+GLLC+Student+Jon+%26+Glenn+.JPG Reviews - Jonathan Tay “Honestly one of the useful tuitions ever. Turned my C5 in chemistry in mid years to an A during O levels. Before this, i was struggling at the tail end class of my school, mostly due to my lax attitude. Glenn's enthusiasm and vigor spurred me to work harder and set higher expectations for myself. Though he was my chemistry teacher, he went an extra mile to coach me in other subjects i was weak in. Thanks for teaching me!” Pure Chemistry Sec 4 MYE to Olevels : C5 >A2 (Improved by 3 grades!) https://images.squarespace-cdn.com/content/v1/5c2edec670e80283cbf8026f/1555350841906-0734MPEMV9USPVIC1ROI/gllc_2331.jpg Reviews - Erin Seah “So so thankful to Glenn and Desmond for all the help the last year, pushing me to get this awesome grade. Their ability to motivate and their determination and dedication to the students are admirable. I am naturally really lazy. So I am a very difficult student to work with. But they, unlike others were never afraid to push me to do my best and do better than I ever thought I could. They go far and beyond to help their students improve. Just like they did for me. My results this O levels, is a reflection of not only my hardworking, but theirs as well. Thanks to that, I managed to get a L1R2B2 of 14! I originally thought it would be like 20. “ https://images.squarespace-cdn.com/content/v1/5c2edec670e80283cbf8026f/1555350971943-EWS0IY2XWGK69CEGT2TZ/gllc_2260.jpg Reviews - Keiji tan “Glenn is a caring and dedicated teacher who is able to turn mediocre results into A's in just a few months. Without him, I would not have been able to find the most suitable study method. I used to try and memorise my Chemistry topics blindly without fully knowing many key ideas, concepts or explanations. Glenn has also helped to test my understanding and skills whenever I see him for class. My performance in school started improving after I joined Glenn Lee Learning Centre. My family and I are grateful for his help and we will never forget Glenn's help. Thank you so much Glenn! You really saved my Olevel combined Science like a true miracle worker and I would recommend Glenn to anyone in need of guidance for any of the various subjects he teaches.“ Science (Chem):F9 >A2 https://images.squarespace-cdn.com/content/v1/5c2edec670e80283cbf8026f/1555349742836-KIKPBSM8SBN2C50J7G1O/gllc_2088.jpg Reviews - Ryan Wong “I just wanted to take a moment to say a big thank you to a great and dedicated tutor, Glenn. I had never imagined myself getting an A for my Science since I had been failing since Sec 2... from F9 to an A2 for my 'O' level! Thank you for your encouragement and creating an environment of enthusiasm for learning, your guidance has helped me tremendously. I truly enjoyed your teaching and the time spent with you. Just wanted you to know that you have made a big difference in my life!” S4 MY to Olevels: F9(12.9%) >A2 (Improved by 7 grades!) 1st Pass in Science in Olevels!1st Distinction! https://images.squarespace-cdn.com/content/v1/5c2edec670e80283cbf8026f/1555349425486-5V84HH24QB23O433EKLG/KSOR9653.jpg Reviews - Nash Tan I had never liked chemistry since I was in secondary 2. I had never scored well for it. I had some interest for Additional Mathematics but was always getting borderline passes. I lost interest in physics when I got into secondary 3. During my MYEs, I got F9 for physics, chemistry and Additional Mathematics. It was only right after my prelims when I got to know Glenn. I was reluctant to go attend his lessons at first since I didn’t think I could ever perform well for my O’s, but I decided to give it a try and I started going for lessons on 13 August. Glenn helped me understand chemistry and physics better and helped cleared the doubts I had for Additional Mathematics. After some time I had gained back much confidence in these subjects and seeing that Glenn could actually help me, I went through E Maths with him as well. Within 2 months,I improved drastically for all the subjects Glenn covered with me over such a short period. S4 Prelims to Olevels Additional Mathematics: F9 >B3(Improved by 6 grades!) Physics: F9>B4 (Improved by 5 grades!) Chemistry : F9>B3 (Improved by 6 grades!) Total Grade Improvement: 17 Grades Improvement! https://images.squarespace-cdn.com/content/v1/5c2edec670e80283cbf8026f/1555512337298-AEFR07E3C2P6VFT6RZ0S/Review+by+2016+GLLC+Student+Danyal+Redwan Reviews - Danyal Redwan “I joined Glenn in Secondary 2 and i must say it was the best decision my mom had made. Glenn is not your average tutor.I was an extremely lazy student and i was never fond of Mathematics. Glenn never gave up on me and continued to push me beyond my limits.Glenn's unique teaching approach really works and im very confident that he can help anyone that is willing to put in the effort and follows his guidance. Glenn is not only a tutor, he is a mentor, a great one. Always displaying professionalism during classes but still adding a little fun now and then. Also, he does not only focus on the grades but the attitude and values of an individual and that what makes Glenn a great tutor.To anyone who decides to join Glenn, i would advice you to do so quickly so that Glenn can work his 'magic' and im confident that you will not regret it.Goodluck and all the best!! Thank you Glenn:)” -Danyal Redwan https://images.squarespace-cdn.com/content/v1/5c2edec670e80283cbf8026f/1555517629748-5BB5408J9XPNBNAJP2BH/Review+by+2016+GLLC+Student+Elisha+Tan Reviews - Elisha Tan “If anybody needs a driving force in order to excel in O levels. Then Glenn and Desmond are the right tutors for you. I enrolled into Glenn's tuition centre in late May with zero motivation to study and having failed every subject except English with my worst being Maths and combine Science both being 13% and 22% respectively for Sec 4 mid-year. From day to night Glenn tirelessly went through with me the basics for math and science and making sure I understand the topics before doing assessments. Late into July I enrolled into Desmond's class who gave me outstanding techniques and methods to answer Literature questions along with Humanitiesand English. Prelims I still didn't do very well for Maths and combine Science getting 35%(F9) and 45%(D7) respectively. I also failed humanities and lit at D7 and F9 respectively.But Glenn and Desmond did not give up and continued to push me until the O level period. With that said for my O levels I received a C5 for E maths, A2 for combine science and A2 for both Humanities and Literature. I can happily say that Glenn and Desmond have changed my life and my future is now very certain and I cannot thank them enough for allowing me to excel in O levels If you need help in any of your subjects, I highly recommend these two tutors that will impact you academically:))) “I can happily say that Glenn and Desmond have changed my life and my future is now very certain and I cannot thank them enough for allowing me to excel in O levels If you need help in any of your subjects, I highly recommend these two tutors that will impact you academically:))) “I can happily say that Glenn and Desmond have changed my life and my future is now very certain and I cannot thank them enough for allowing me to excel in O levels If you need help in any of your subjects, I highly recommend these two tutors that will impact you academically:))) “ ~Elisha Tan https://images.squarespace-cdn.com/content/v1/5c2edec670e80283cbf8026f/1555516384217-WI9LB822PYJ8AU8EV3XY/Review+by+2016+GLLC+Student++Natesh Reviews - Nateshvara “Both tutors Glenn and Desmond are dedicated teachers whom are willing to give up their free time just to ensure their students do well . Being with them for almost 5-6 years , they have build up a foundation for myself which i believe will benefit myself if the future . Glenn and Desmond have done a lot for me and has helped improve subjects which i used to get F9 and D7s to a A2 and B3s . Thanks for always motivating me and never giving up on me . I will always be grateful to them. “ ~ Natesh https://images.squarespace-cdn.com/content/v1/5c2edec670e80283cbf8026f/1555512055678-WLMOFTKYP7GQCK3JWGFV/Review+by+2016+GLLC+Student+Kenji+Tan Reviews - Kenji Tan Glenn and Desmond are my most impactful mentors, who successfully guided me through my entire Secondary Four life! The duo, specializes in nearly every subject in the most recent Upper Secondary MOE curriculum. Their extremely resourceful knowledge and highly experienced teaching methods had an enormous impact on my character and also, my O level results. I was never confident in my own studies prior to meeting them, often having much doubts about my capability to excel. But by joining their learning centre, I experienced something that will forever be etched in my memory; the never-ending patience and enthusiasm the duo had towards their students and myself. Even though I was weak in a few subjects, they encouraged me to reach further than my goals and helped me grasp my desired results. From a L1R5 of 41 before my O levels,I dropped 27 grades to a 14! Their unending guidance along with boosting my self-confidence towards learning will benefit me forever. If anyone needs help or guidance regarding their academics, Glenn Lee Learning Centre, is definitely the right place! Make the best choice now! ~Kenji T. https://images.squarespace-cdn.com/content/v1/5c2edec670e80283cbf8026f/1555477769525-NJX1TLKRR5QCBBFKEQTJ/Review+by+2014+GLLC+Student+Benjamin+Cheong Reviews - Benjamin Cheong “Glenn is an undoubtedly dedicated and enthusiastic tutor who does his utmost to help all students attain their dream results. He constantly motivates his students to study hard and never gives up on them. Never. If you are looking for a tutor, Glenn is the one for you.” https://images.squarespace-cdn.com/content/v1/5c2edec670e80283cbf8026f/1555476589719-UWAR9D6O4CLF77FKFT9Q/HH%2526ME%2Bsmiling.jpg Reviews - Hong Haii “Firstly thanks Glenn for guiding me through out this year. I really appreciate the efforts u have made to help me. I have always been failing in school not fufilling expectations of people arnd me until olevel results was released month ago. Frankly speaking i am really satisfied with my results and all this attributes to Glenn and his brothers (Desmond and David) who have helped me. Okay this is abit long anyways thank u Glenn hope u liked this and help me more in future!! “ From Sec3 SA2 to Olevels : Elementary Mathematics : C5 > A2(Improved by 3 grades!) Additional Mathematics: E9 > A1 (Improved by 8 grades!) Physics: E8>A2 (Improved by 6 grades!) Chemistry : F9 > B3 (Improved by 6 grades!) English : C5 > B3 (Improved by 2 grades!) Economics: D7 > A1 (Improved by 6 grades!) Combined Humanities : E8 > A2 (Improved by 6 grades!) Total Grade Improvement for 7 subjects: 37 GRADES! https://images.squarespace-cdn.com/content/v1/5c2edec670e80283cbf8026f/1555517827659-J3OI3X5B7PG91H19GFX2/Review+by+2013+GLLC+Student+Ray Reviews - Ray Fong Goh “When Mr Lee started to teach me during the 2012 December holiday period when I successfully disappointed myself with secondary 3 Amath results ( the point of time I was clueless about math and found practising math practically useless), he appeared to me as a charismatic man , confident and sure of his business-- educating slower students like me. After bouts of rigorous tuition, I found a courage hitherto I didn't possess: to achieve nearly full marks for nearly all Amath paper i had done . Furthermore, he mastered the technique of allegory using very simple analogies to express abstract concepts ( for me) during lessons. Glenn is very passionate about what he teaches and doesn't mind sacrificing his precious sleep time to impart knowledge to his students ( hong haii once had this privilege). His lessons aren't that tense unlike in class where the teacher appears to be speaking another language where learning isn't efficient. Getting bits of laughter and fun whilst learning efficiently, where else can you get such a great deal? Ans: Glenn Lee Learning centre. Kudos to you Glenn! :)” ~Ray https://images.squarespace-cdn.com/content/v1/5c2edec670e80283cbf8026f/1555351938792-OLHL3H2D9QNKOCU5LOO7/Review+by+2013+GLLC+Student+Stacey Reviews - Stacey Tan “before I joined Glenn's tuition, my chemistry grades have always been subpar (barely passing), especially since I hated the subject. however, Glenn never gave up on me and continued to push me every lesson, exhibiting a great amount of patience and encouragement despite my lack of interest/motivation. after almost 2 years under his wing, my results have improved vastly and I've honestly even grown to develop an interest in chemistry because of my better understanding of the subject. thank you so much Glenn!!!! for being a teacher who cares about his students :) “ Subject Taught: Pure Chemistry S3 MYE to Olevels : C6 >A2 (Improved by 4 grades!) https://images.squarespace-cdn.com/content/v1/5c2edec670e80283cbf8026f/1555352608122-B0JLZHXAVLOYATJTDD7S/Review+by+2011+GLLC+Student+Stuart Reviews - Stuart Tan “If you need help with any secondary school topics, Glenn is the man you're looking for. I went from an F9 in Combined Science Physics & Chemistry at the end of Sec 3 to an A1 for O Levels because of him. And I didn't even have to put in much extra effort. He not only guided me but ensured that I understood the foundation of every topic he taught, which enabled me to build a strong understanding of the subject matter. Subsequently, I absorbed everything much more easily. Find out for yourself." Subject Taught: Science (Physics/Chemistry) S3 MYE to Olevels : F9 >A1 (Improved by 8 grades!) https://images.squarespace-cdn.com/content/v1/5c2edec670e80283cbf8026f/1555563677467-B1UYTUI7ZLIS1RVU6W58/Review+by+2011+GLLC+Student+Damian+Shanuk Reviews - Damian Shanuk Before I met Glenn, my scores scores for Mathematics and Chemistry were really bad. I used to fail every Math paper since Sec 1 to Sec 3 and it was the same for Chemistry. However, ever since I started classes with Glenn, I began understanding my weakest subjects better. His method of teaching is the best in my opinion, he will really work on the foundation and make sure you really understand before proceeding with the next topics. All my efforts were paid off once I saw an A1 for chemistry and a B3 for Mathematics reflected on my O level certificate. I am thankful for Glenn, for the help and guidance he had provided me with, if not for him I would not have been able to join one of my favorite courses in SP. For those who are wondering if you should go with Glenn for tuition. Don't think anymore, just sign up. He is the best at what he does. https://www.glennleelearningcentre.com/students-results daily 0.75 2019-02-06 https://images.squarespace-cdn.com/content/v1/5c2edec670e80283cbf8026f/1549468699506-CBO0XM01QB13SMSZNGWG/2011-Before+%26+After+_Zu+han.jpg Students' Results https://images.squarespace-cdn.com/content/v1/5c2edec670e80283cbf8026f/1549469150038-DWV0687FR3DAKBZQGN52/2011-Before+%26+After-Zhi+Kang.jpg Students' Results https://www.glennleelearningcentre.com/thank-you-contact daily 0.75 2019-07-05 https://www.glennleelearningcentre.com/elementary-mathematics daily 0.75 2023-02-08 https://images.squarespace-cdn.com/content/v1/5c2edec670e80283cbf8026f/1665631550271-MULO7OP261DBD5TA1UH8/E-Math-Tuition-Singapore.jpg Programs - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://www.glennleelearningcentre.com/additional-mathematics daily 0.75 2023-02-08 https://images.squarespace-cdn.com/content/v1/5c2edec670e80283cbf8026f/1665630573475-GIO94H0934TRVGNWUGOC/additional-maths-tuition-singapore.jpg Programs - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://www.glennleelearningcentre.com/chemistry daily 0.75 2023-02-08 https://images.squarespace-cdn.com/content/v1/5c2edec670e80283cbf8026f/1665632253537-J1B9EWX82ZBJKKHJIRHZ/o-level-pure-chemistry-tuition-singapore.jpg Programs - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://www.glennleelearningcentre.com/physics daily 0.75 2023-02-08 https://images.squarespace-cdn.com/content/v1/5c2edec670e80283cbf8026f/1665632447001-R3ZSH9Q1PHAEMN1I401Z/private-physics-tutor-singapore.jpg Programs - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://www.glennleelearningcentre.com/sign-up daily 0.75 2026-01-22 https://images.squarespace-cdn.com/content/v1/5c2edec670e80283cbf8026f/d642ef42-8ffd-4d79-8516-b600068af42e/sc7bwxuu.png Registration - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/5c2edec670e80283cbf8026f/c4f46ecf-858b-47fb-8963-d72c45dffb87/2025+LESSON+SCHEDULE.jpg Registration - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://www.glennleelearningcentre.com/thank-you-sign-up daily 0.75 2019-07-05 https://www.glennleelearningcentre.com/privacy-policy daily 0.75 2019-07-22 https://www.glennleelearningcentre.com/awards daily 0.75 2022-03-03 https://images.squarespace-cdn.com/content/v1/5c2edec670e80283cbf8026f/1646316101600-WPJ9ID1P8SXR0M8N7QJM/2022+SME+500+SINGAPORE++AWARD Awards - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/5c2edec670e80283cbf8026f/1641550910707-YLMLZ1NJ2G9F1ITSRSSW/2021+Entrepreneur+100+-+Glenn+Lee+%28GLLC%29 Awards https://www.glennleelearningcentre.com/user-sitemap daily 0.75 2022-06-07 https://www.glennleelearningcentre.com/ib-math daily 0.75 2023-02-08 https://images.squarespace-cdn.com/content/v1/5c2edec670e80283cbf8026f/7e447089-e20e-4619-b875-0f6f3a1d203d/math-tuition-for-ib-students-singapore.jpg IB Math - Make it stand out Whatever it is, the way you tell your story online can make all the difference.