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Edexcel and Cambridge Biology AS, IAL, IGCSE Tuition Classes

Contact details
Tutor :
Dr. Thusitha Gajanayake (Male)
  •  PhD
  •  Teaching Experience : Over 10 years
Phone :
0​7​1​3​0​0​0​0​3​3
E-mail :
QR Code :
QRCode Edexcel and Cambridge Biology AS, IAL, IGCSE Tuition Classes en
Reviews / Testimonials :
About the teacher
Qualifications
  • BSc, 2000
  • MSc (Fribourg), 2005
  • PhD (Bern), 2009
  • Teacher Reparation Program, 2002
  • Cert. Secondary Learning - Open University, Milton Keynes, UK in 2018
Teaching Experience
  • Full time tutor for high school students - ICPT.lk
Subjects and Courses
Biology (IGCSE, AS, AL)
Human Biology (IGCSE)
Science Single Award (IGCSE)
Chemistry (IGCSE)
Physics (IGCSE)
Venue / Location

Classes are conducted at following location(s)

Colombo District, Sri Lanka


Teacher visits institute(s) in following locations

Colombo District, Sri Lanka


Online Classes
Classes are conducted online (Or educational material available online). You can join the class (or read educational material) from anywhere in the world.
  • Small group classes (Less than 10 people)
  • Medium group classes (10 - 20 people)
Classes are conducted in following languages
  • English
Reviews / Testimonials
Write a review / testimonial about Dr. Thusitha Gajanayake

Review Avatar woman 231

Jannidu Wanigasuriya - Cambridge As/A2 2020 Marks 92
Thusitha sir is a a teacher who is dedicated to what he teaches and is also a motivating and encouraging teacher who makes every student to dream big. The only regret I have is that I could not have started Biology with sir from the beginning. Thusitha sir made Biology a subjected I hated soooo sooo much!!!! (this was due to my previous biology teachers) into a subject that I enjoyed and loved. The way Thusitha sir taught biology was different compared to all the other teachers I've been to. I 100 percent recommend Thusitha Sir as the best Biology Teacher you can find.
Highly recommend.
Thank you for everything Thusitha Sir.

Hiruni Dissaanyake - Edexcel AS/A2 2019
Thusitha sir is a very determined sir. He has a huge knowledge on the subject matter in fact he is a scientist. His teaching is at the very top. He discusses the smallest point and explains everything in detail. He puts all his effort to do his job well. He is very friendly with children. If you want your dream to come true Thusitha sir will make the perfect path for that. ​

Aquiel A.R
​I am a student of lyceum international school who sat for my Cambridge O Level exam 2019 may June. Out of my subjects biology was one of my subjects and I thank Sir Thusitha my tuition master who assisted me, guided me to make this subject interesting and easy to remember the course of this subject. Sir Thusitha is a friendly person who has helped me gain more knowledge about biology by repeatedly coaching me with past papers and other books.

Joshua Fernando
Sir has tutored me during my A2 Biology exam. I got motivated to wok hard. helping me to build my confidence. I highly recommend his classes.

Dasun Dishal
I have achieve highest results at my A2 biology exam because of Thusitha Sir His teaching is exceptional. Thank you Sir.

Asanka Kulasiri
Thusith Sir is the Best Biology Teacher!

Shenali Perera
I have achieved A results because of Thusith Sir. His teaching is outstanding. He is the best biology teacher!
Thank you Sir for all your help!

Ravi Perera
My son got A pass because of you Thusith Sir.
You are amazing!

Danidu Thusal / Sri Lanka / Cambridge OL /OCT 2020 - Results 92 A*
Sir Thusitha explained each and every fact related to the subject in the simplest yet the most effective and most interesting possible manner, so well enough to be understood really well. In addition, the motivation and encouragement he gave me all the while I learnt from him was invaluable. All these factors helped me receive a really good score in the OL examination. Certainly one of the best teachers I have ever had. ​

Minura Meneka Edexcel AS/A2
Thusitha sir is one of the best teachers I’ve ever had. Because of him, I’ve come to love Biology. His method of teaching is the best because he makes learning a lot more fun and interesting. I am so grateful to Thusitha sir as he played a major role in me getting great results. I want to thank him for all the help he has given me and for feeding his knowledge.

Shakya Wanniarachchi / Edexcel AS+A2
Thusitha sir is definitely one of the best tutors I've met. At first I was not as conversant with the subject, but after a few lessons I gained more confidence. He doesn't just finish the syllabus, but also motivates us by explaining concepts beyond the syllabus and encourages his students to achieve their best. He experiments different styles of teaching to suit each child and dedicates time to coach each student on improving their weaknesses.

Fathima Shahla / Edexcel AS and A2
Any subject without an interesting teacher will not be appealing to the students. Thusitha sir has been doing an incredible job presenting the lessons in the class. I have not walked out of a class without having my doubts cleared and confidence boosted. Apart from working to achieve good grades in Alevels, the insight he inputs in his students will help them throughout in life. Learning biology from him has always been fantastic and he really is a wonderful teacher.

Anumi Perera / Edexcel A2 Thusitha sir is everything a great teacher could be; dedicated, motivating, encouraging and many more. Within the few months that I have attended sir's classes I have learned beyond just a book or subject and that, I believe should be the impression of a great teacher like Thusitha sir

Avindu Shenal
I got A* for IGCSE Biology. Thusitha Sir helped me to get the best results. His teaching style and commitments are really remarkable. I strongly recommend him.

Hi Sir!
I am mailing you to inform my results, Sir. I got :BIOLOGY - B, I am very grateful for your support in helping me achieve this Sir. Thank you very much Sir Regards,
Geema. Edexcel A2/2018

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