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Dr Dabour Hub
Dr Dabour Hub Academy

Every international science course, in one place

IGCSE, Edexcel, IB, AP and EST: in the official specification order, with original question banks and short revision notes by Dr. Dabour.

Browse all coursesPractice questions
  • Official specification order
  • Original question banks
  • Short bullet revision notes
  • Mobile and desktop
60+courses
2,500+note lessons
2,700+quizzes and papers
40,000+questions
Step 1

Choose your exam board

One syllabus per course, never mixed. Pick your board to see its courses.

Cambridge" loading= - Dr Khaled Dabour AcademyCAMBRIDGEIGCSE 0610 · 0620 · 0625 · 5129 · AS/A 9700 · 9701Edexcel" loading= - Dr Khaled Dabour AcademyEDEXCELIAL and OL · Linear and ModularIB Diploma" loading= - Dr Khaled Dabour AcademyIB DIPLOMABiology and Chemistry · HL / SLAP" loading= - Dr Khaled Dabour AcademyAPAdvanced Placement · College BoardEST II" loading= - Dr Khaled Dabour AcademyEST IIBiology and ChemistryCheckpoint" loading= - Dr Khaled Dabour AcademyCHECKPOINTLower Secondary Science 0893
Start here

Our most complete courses

Fully built out, with their notes and question banks ready.

IGCSE Biology 0610" loading= - Dr Khaled Dabour AcademyIGCSEIGCSE Biology 061021 units, every syllabus point, 507 exam-style questionsOpen the course →IGCSE Chemistry 0620" loading= - Dr Khaled Dabour AcademyIGCSEIGCSE Chemistry 0620Cambridge IGCSE Chemistry, syllabus 0620Open the course →Edexcel IAL Biology Linear" loading= - Dr Khaled Dabour AcademyEDEXCELEdexcel IAL Biology · LinearInternational A Level Biology · YBI11Open the course →Checkpoint Lower Secondary 0893" loading= - Dr Khaled Dabour AcademyCHECKPOINTLower Secondary 0893All four sciences in one course, 88 objectivesOpen the course →EST II Biology" loading= - Dr Khaled Dabour AcademyEST IIEST II BiologySubject test course notes and practiceOpen the course →See all courses →
Step 2

All courses

Filter by exam board, then level, then subject.

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Library

Resources

Seven libraries, each built for a single purpose.

Solved Past Papers" loading= - Dr Khaled Dabour AcademySolved Past PapersFull worked solutions, by board and yearPredicted Papers" loading= - Dr Khaled Dabour AcademyPredicted PapersWritten to the current specificationNotes" loading= - Dr Khaled Dabour AcademyNotesBullet revision notes in syllabus orderCompiled Papers" loading= - Dr Khaled Dabour AcademyCompiled PapersMany papers gathered into one documentTopical Unsolved" loading= - Dr Khaled Dabour AcademyTopical UnsolvedQuestions sorted by topic, left unsolvedPractice Papers" loading= - Dr Khaled Dabour AcademyPractice PapersExam-style practice beyond the past papersCoursebooks" loading= - Dr Khaled Dabour AcademyCoursebooksComplete coverage of one specificationVisit the shop →
How it works

What is inside every course

The same four things, whichever syllabus you pick.

Notes

Every syllabus point written out in bullets and sub-bullets, in the official order.

Question banks

Exam-style multiple choice, sorted by unit.

One board per course

IGCSE is never mixed with A Level, IB or AP. Each syllabus stands alone.

Both languages

Arabic and English combined, or 100% English. Scientific terms stay in exam English.

About me

I am Dr. Dabour

I teach international science, Biology and Chemistry, and I write every course, question bank and set of notes on this site myself, one syllabus at a time.

  • Courses follow the official specification order, point by point.
  • Question banks are written for the course, not copied from elsewhere.
  • Notes stay short and in bullets, so they are actually revisable.
  • One board per course: IGCSE is never mixed with A Level or IB.

Get in touch

Phone+966 56 715 8380
LocationSaudi Arabia

Message me on WhatsApp

📚 Cambridge & Edexcel Comprehensive Science Revision Guides

Complete academic revision syllabi, core definitions, practical investigation techniques, and worked calculations by Dr. Khaled Dabour: