Decoding Life · Initializing
SYSTEM ONLINE · A/L 2026 / 2027 BATCH

Rank හදන Bio පංතිය Decode Life.
Master Biology.
Conquer A/L.

Welcome to the bio-verse of Rumesh Thalawaththa — Sri Lanka's most futuristic Advanced Level Biology mentor. Where molecular machines, evolution, physiology and ecology become a single, unforgettable story.

8+ Years Mentoring
3,400+ Students
320+ A/B grades
Rumesh Thalawaththa
TheoryRevision + Paper
Sinhala & EnglishMedium
LIVEOnline + Physical
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Introduction to Biology · Chemical & cellular basis of life · Evolution and diversity of organisms · Plant form and function · Animal form and function · Genetics · Molecular Biology & Recombinant DNA Technology · Environmental Biology · Microbiology · Applied Biology · Introduction to Biology · Chemical & cellular basis of life · Evolution and diversity of organisms · Plant form and function · Animal form and function · Genetics · Molecular Biology & Recombinant DNA Technology · Environmental Biology · Microbiology · Applied Biology ·
// Profile_001

Meet The Mentor

A scientist, storyteller and strategist — building thinkers, not memorizers.

// The Mission

Rumesh Thalawaththa has spent over a decade re-engineering how A/L Biology is taught in Sri Lanka. His classes are part lab, part lecture and part cinematic experience — every diagram, every pathway, every concept linked to the real world your future medical, dental or research career will live in.

From the first lipid bilayer to the last ecosystem, every topic is mapped onto a clear, exam-ready framework: Concept → Mechanism → Diagram → MCQ → Essay.

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Students Trained
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Years Teaching
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A/B grades

// Credentials

BSc (Hons) Biological Sciences — University of Colombo

Specialties: Genetics · Cell Biology · Evolution · Plant & Animal Physiology · Exam Strategy

Languages: English Medium · Sinhala Medium

Reach: Live online (Zoom) · Recorded library · Physical classes in Bandarawela, Welimada, Keppetipola

"My job isn't to fill your head with facts. My job is to build a Biologist's mind — one that can walk into any A/L paper and recognise the question before it's even finished asking."

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Learning Programs

Pick your track. Each program is a complete A/L Biology pipeline — synced with the Department of Examinations syllabus.

01

Theory Pro · 2026

Full A/L Biology theory, unit-by-unit, with animated diagrams, real specimens and structured note packs. Built for students entering Grade 12.

180+ HoursMon · Wed · Fri
02

Revision Hyperdrive

For Grade 13 — speed-revision of every unit with question-pattern decoding, paper-by-paper analysis and full mock cycles.

90+ HoursSat · Sun
03

Paper Class · MCQ Lab

Past-paper boot camp — 5,000+ MCQs solved live, structured & essay technique, error analysis dashboards for each student.

40+ SessionsWeekly
04

Bio · 1 on 1

Personalised mentoring for repeat candidates and high-aim students targeting the 1st 1000 rank. Includes weekly diagnostics.

Custom PlanBy Application
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The Genome Of A/L Biology

Every unit, decoded. Click into any topic in class for animated walkthroughs and printable cheat sheets.

01

Introduction to Biology

Biological hierarchy, scientific method, classification & nomenclature.

02

Chemical & cellular basis of life

Biomolecules, enzymes, cell structure, transport & cell cycle.

03

Evolution and diversity of organisms

Origins of life, natural selection, five kingdoms, viruses & bacteria.

04

Plant form and function

Tissues, transport, nutrition, growth, reproduction & hormones.

05

Animal form and function

Digestive, circulatory, respiratory, excretory, nervous & endocrine systems.

06

Genetics

Mendelian inheritance, molecular genetics, biotech & genetic engineering.

07

Molecular Biology & Recombinant DNA Technology

DNA replication, transcription, translation, and genetic engineering techniques.

08

Environmental Biology

Ecosystems, populations, biogeochemical cycles, biodiversity & conservation.

09

Microbiology

Structure, function, and role of microorganisms in environment and health.

10

Applied Biology

Agriculture, food technology, immunology & human health.

// Schedule_005

Weekly Timetable

Hybrid: live online + recorded archive + physical hubs across the island.

Monday · 8.00AM - 5.00PM

2026 Revision + Paper (Sinhala Medium)

THE BEST - Bandarawela + Online

Tuesday · 8.00AM - 5.00PM

2026 Revision + Paper (Sinhala Medium)

UNIQUE - Keppetipola + Online

Wednesday · 7.30AM - 12.00PM

2026 Theory (Sinhala Medium)

UNIQUE - Keppetipola + Online

Thursday · 8.00AM - 10.30AM

2028 Theory (Sinhala Medium)

THE BEST - Bandarawela + Online (Temporary)

Thursday · 10.30AM - 1.00PM

2028 Theory (English Medium)

THE BEST - Bandarawela + Online (Temporary)

Saturday · 8.00AM - 12.00PM

2028 Theory (Sinhala Medium)

UNIQUE - Keppetipola + Online

Saturday · 1.00PM - 5.00PM

2027 Theory (Sinhala Medium)

UNIQUE - Keppetipola + Online

Saturday · 7.00PM - 9.00PM

2027 Paper (Sinhala Medium)

Online

Sunday · 8.00AM - 12.00PM

2027 Theory (Sinhala Medium)

THE BEST - Bandarawela + Online

Sunday · 1.00PM - 5.00PM

2026 Theory (Sinhala Medium)

THE BEST - Bandarawela + Online

Sunday · 7.00PM - 9.00PM

2027 Paper (English Medium)

Online

// Voices_006

Student Transmissions

Real signals from past batches — A grades, medical school offers, and a few late-night thank you messages.

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මගේ නම තීක්ෂණ නෙත්සර. මම 2024 AL bio වලින් ලිව්වේ මගේ පළමු පාර. ඒත් මගේ ප්‍රතිඵලය bio වලට F එකක්. මම දෙවන පාර තමයි රුමේෂ් සර්ගේ bio පන්තියට සම්බන්ධ වුණේ. සර්ගේ ඉගැන්වීමේ රටාව සහ මගපෙන්වීම නිසා 2025 AL මගේ දෙවන පාර මට C එකක් ආවා. F එකක් C එකක් කරගන්න පුළුවන් වුණේ රුමේෂ් සර් නිසා තමයි.

TN
Theekshana Nethsara2025 AL Student
"

Sir's classes literally rewired how I think about Biology. The way he links genetics → cell biology → physiology made the syllabus feel like one connected machine. I went from a C in school to an A at A/L.

SP
Sanduni PereraMedicine · University of Colombo
"

The MCQ Lab is unreal. We solved every past paper since 2000, and Sir explained why every wrong option was wrong. By the time A/L came, I'd already seen every trick they could throw.

DK
Dilshan KumaraDental Surgery · Peradeniya
"

I'm a slow learner. Most teachers gave up. Rumesh Sir broke every diagram down into stories. I drew them in the exam exactly the way he taught us — A grade.

HF
Hasini FernandoBiomedical Science · Kelaniya
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Even the online classes feel like you're sitting in the front row. The recorded archive saved me — I could rewatch any topic 20 times before the exam. Highest recommendation.

TJ
Tharindu JayasuriyaVeterinary Science · Peradeniya
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මම රුමේෂ් සර්ගේ Class වලට මුල ඉඳලම සහභාගී වුණා. Class එකට ආපු මුල් කාලෙම සර් උගන්නන විදිහට Note එකට tute වලට ගොඩක් ආස හිතුණා. Sir පන්තියේ හැමෝම ගැනම හොයල බලල papers නිතර මුල ඉඳන්ම හැදුවා. වැරදුන තැන් හදාගන්න ඒක උදව්වක් වුණා. Sirගෙ paper class එක exam එකටත් ගොඩක් උදව් වුණා. සර්ගේ paper series එක exam level එකට අලුත්ම ප්රශ්න එක්ක විෂයට අදාළ විදිහට හොඳටම තිබුණා. Sirගේ paper discussion එකෙන් අපිට අමතක කරුණු ගොඩක්ම මතක් වෙන්න උදව් වුණා. විෂය කරුණු ගොඩක්ම පින්තූර මගින් මතක තියා ගන්න අවබෝධ කරගන්න සර් අපිට ඉගැන්නුවා. අපි වගේම තවත් ළමයින්ට ජීවිතය ජයගන්න මග පෙන්වන්න සර්ට හැකියාව ලැබේවායි සුභ පතනවා. Thank you sir.

AB
D.M. ආකර්ෂන් බණ්ඩාර2025 / 04 / 28
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Join The Next Batch

Drop a signal — we'll send back a full program brochure, schedule and demo class link.

Whether you're aiming for Medicine, Dentistry, Bio-Sciences or just want to finally understand A/L Biology — there's a seat with your name on it.

Reach out via any channel below. Replies usually within 6 hours.

// Request Demo Class

⚡ Demo Class