Sarah K.
June 2026
Verified
My daughter was predicted a 4 in IB Math AA HL and we were seriously worried about her university applications. Her ComboTutors tutor identified the gaps in her...
Parent of IB Diploma Student
IB DIPLOMA SPECIALISTSHL • SL • CORE
Expert Online IB Diploma Tutors
for HL, SL & Core Component Success
Personalised one-to-one tutoring for students on the IB Diploma Programme. Expert support across HL and SL subjects — Mathematics AA & AI, Biology, Chemistry, Physics, English A, Economics, History and more — plus dedicated mentoring for Theory of Knowledge, the Extended Essay, CAS and predicted-grade preparation.
Verified Score Growth92%gain 2+ IB points
⚡ Matched in 24h
Sarah K.
7 in Maths AA HL“Two grades above her prediction in 12 weeks.”
Risk-Free Matching Process
Register For Your Free Trial Session
Take the first step toward securing your child's IB Diploma success. No commitment.
✓ No commitment. Rematch anytime.
Cambridge CAIE
Edexcel
AQA
IB Diploma
OCR
IGCSE
A Levels
O Levels
SAT
ACT
IELTS
TOEFLCambridge CAIEEdexcelAQAIB DiplomaOCRIGCSEA LevelsO LevelsSATACTIELTSTOEFLWhy ComboTutors
Why Families Choose COMBO for Online IB Diploma Tutoring
Four reasons 500+ IB students across international schools worldwide trust COMBO for the Diploma Programme.
01
Personalised
Personalised Plans for HL, SL & Core Components
Our personalised tutoring aligns with the IB Subject Briefs and assessment objectives across HL and SL. We design study plans that balance six subjects, the Extended Essay, Theory of Knowledge and CAS commitments.
IB Subject BriefsHL & SL AlignedAssessment Objectives
Examiner
IB Examiner-Trained Tutors Who Know the Mark Bands
Get examiner insight into IB mark bands, command terms, and Internal Assessment criteria. Our tutors coach Paper 1, Paper 2 and Paper 3 strategies and review IA drafts against the official rubrics.
Mark BandsCommand TermsIA Rubrics
02
03
Mastery
TOK, Extended Essay & CAS Mentoring That Builds the IB Learner Profile
Dedicated mentors guide students through Theory of Knowledge essays and exhibitions, Extended Essay research questions and CAS reflections — building the inquiry, research and reflective skills the IB Learner Profile demands.
Theory of KnowledgeExtended EssayIB Learner Profile
Scheduling
Flexible Lessons Across Time Zones for International Schools
IB students are global. We schedule live online lessons around school timetables, mock exam windows and the May or November session calendars — including weekend and after-school options that fit families in any time zone.
Global Time ZonesMock Exam WindowsMay & November Sessions
04
01
Personalised
Personalised Plans for HL, SL & Core Components
Our personalised tutoring aligns with the IB Subject Briefs and assessment objectives across HL and SL. We design study plans that balance six subjects, the Extended Essay, Theory of Knowledge and CAS commitments.
IB Subject BriefsHL & SL AlignedAssessment Objectives
02
Examiner
IB Examiner-Trained Tutors Who Know the Mark Bands
Get examiner insight into IB mark bands, command terms, and Internal Assessment criteria. Our tutors coach Paper 1, Paper 2 and Paper 3 strategies and review IA drafts against the official rubrics.
Mark BandsCommand TermsIA Rubrics
03
Mastery
TOK, Extended Essay & CAS Mentoring That Builds the IB Learner Profile
Dedicated mentors guide students through Theory of Knowledge essays and exhibitions, Extended Essay research questions and CAS reflections — building the inquiry, research and reflective skills the IB Learner Profile demands.
Theory of KnowledgeExtended EssayIB Learner Profile
04
Scheduling
Flexible Lessons Across Time Zones for International Schools
IB students are global. We schedule live online lessons around school timetables, mock exam windows and the May or November session calendars — including weekend and after-school options that fit families in any time zone.
Global Time ZonesMock Exam WindowsMay & November Sessions
IB Diploma ProgrammePopular IB Subjects
Popular IB Subjects
Students Need Help With
We cover every major IB Diploma subject across all six groups — from Mathematics AA and AI to the Sciences, Individuals & Societies, Language A, Language Acquisition and the Arts. Choose a subject below to learn more.
Don't see your subject? We cover every IB Diploma group, including Maths AA/AI at HL and SL, the Sciences, Individuals & Societies, Language A, Language Acquisition and the Arts.
Ask About Your SubjectThe Onboarding Path
How Online IB Diploma Tutoring Works
From subject and level selection to predicted-grade gains and final May or November exam day.
01
Tell Us Your Subjects, HL/SL Choices & Target Score
Share your six subject choices, HL/SL split, Core component priorities and target total — we map a plan to your predicted-grade goals.
02
Get Matched With the Right IB Specialist Tutor
We pair you with an examiner-trained IB tutor who knows the mark bands, command terms and IA expectations of your specific subjects.
03
Book a Free Trial Lesson
Experience a live online IB lesson in our virtual classroom — work through a past paper question or IA draft before you commit.
04
Track Progress Through Mocks, IAs & Predicted Grades
Regular mock papers, IA feedback against the official rubric and predicted-grade reviews keep students on track for the May or November session.
Meet the Faculty
Meet Our Experienced IB Diploma Tutors
Examiner-Trained Specialists for HL, SL and the IB Core
IB Examiner Experience
4.9(142)
Dr. Elena Vasquez
IB Examiner — Chemistry & Biology HL/SL Specialist
Former IB examiner, 10 years IB teaching, scored 44/45
IB Chemistry HLIB Biology HL
Hourly Ratefrom £60/h
HL & SL Expert
4.9(187)
Alex Chen
Cambridge Graduate — IB Maths AA/AI HL & SL Expert
Cambridge Maths graduate, 7 years IB tutoring, 95% improve 1+ grades
IB Math AA HLIB Math AI HL
Hourly Ratefrom £55/h
Extended Essay Mentor
4.8(96)
Hannah Brooks
Oxford MA — TOK, Extended Essay & English A Specialist
Oxford Philosophy graduate, IB Core specialist, 6 years experience
IB TOKIB Extended Essay
Hourly Ratefrom £55/h
TOK Specialist
4.9(118)
Rajan Patel
LSE MSc — IB Economics & Business Management Expert
LSE Economics, former IB IA moderator, 8 years experience
IB Economics HLIB Business Mgmt HL
Hourly Ratefrom £52/h
What IB Diploma Families Say
Helping Students Lift Predicted Grades, Master the Core & Hit Their University Offers
Marcus L.
June 2026
Verified
I was completely lost with my TOK essay — I couldn't figure out how to structure an epistemological argument. My tutor broke it down into manageable steps and h...
IB Diploma Student, 40/45
Priyanka & David M.
June 2026
Verified
We tried two other tutoring services before finding ComboTutors. Neither understood the IB system properly — they kept treating it like A-Levels. Our son's Comb...
Parents of Year 13 IB Student
Amira H.
June 2026
Verified
My Extended Essay in History felt impossible to manage alongside everything else. My tutor helped me narrow my research question, structure my argument, and ref...
IB Diploma Graduate, Now at UCL
Oliver T.
June 2026
Verified
The IB Chemistry IA was the most stressful part of my DP2 year. My tutor helped me design the experiment, analyse the data properly, and write up the evaluation...
IB Chemistry HL Student
Catherine R.
June 2026
Verified
As a parent, what impressed me most was the holistic approach. Our daughter's tutor didn't just focus on one subject — she helped coordinate the workload across...
Parent of IB Diploma Student
Join 3,000+ families
Book your free trial today.
98%
Student Improvement Rate
4.97
Average Rating
1,200+
Families Supported
Since 2020
Academic Excellence
IB Diploma Specialists
IB Diploma Specialists for Every Part of the Programme
Our tutors are specialists across HL and SL subjects, the Core components, and the IB examiner mindset — so every part of your child's Diploma is in expert hands.
HL & SL Subject Tutors Across Groups 1–6
Subject specialists across every IB group, from Language A and Language Acquisition through Individuals & Societies, the Sciences, Mathematics and the Arts. Lessons map directly to the IB Subject Brief and assessment objectives.
Subject Codes Covered
Maths AA HL/SLMaths AI HL/SLBiology HLChemistry HLPhysics HLEnglish A Lit
TOK, Extended Essay & CAS Mentors
Dedicated mentors for the IB Core — Theory of Knowledge essays and exhibitions, Extended Essay research questions and academic writing, and CAS reflection support that meets the learning outcomes.
Core Components
TOK essayTOK exhibitionEE research questionEE supervisionCAS reflectionsAcademic honesty
IB Examiner-Trained Tutors for Mocks & Predicted Grades
Tutors with IB examiner and IA moderator experience who know how the mark bands are applied. Targeted predicted-grade preparation, mock exam coaching and Paper 1/2/3 strategy work for DP1 and DP2.
Focus Areas
Predicted gradesMock examsPaper 1/2/3Mark bandsIA moderation
University Pathways
Where the IB Diploma Takes Students Next
A strong IB score unlocks Russell Group, Ivy League and global top-100 university offers — and builds the academic skills that carry students through their degree.
UK Russell Group & UCAS Conversion
Russell Group and Oxbridge offers typically map to 38–42 IB points (UCAS conversion takes a 45 to the equivalent of A*A*A*). We help students hit the predicted-grade thresholds that secure conditional offers in time for UCAS deadlines.
US Ivy League & Top-University Applications
US admissions officers consistently rate the IB Diploma as one of the most rigorous secondary credentials. We support Common App essays, predicted-score positioning and how to present HL subjects, the Extended Essay and CAS to top US universities.
Long-Term Skills: Research, Time Management & Bilingual Benefit
Beyond university entry, the IB builds research and academic-writing skills through the Extended Essay, time management across six subjects plus the Core, and the bilingual advantage of Language A and Language Acquisition — skills students still draw on in degree and career.
IB FAQ
Frequently Asked Questions About Online IB Diploma Tutoring
Online IB tutoring provides one-to-one academic support for the International Baccalaureate Diploma Programme. It connects students with experienced subject specialists, including active IB examiners and 40+ point scorers, to master syllabus content and exam criteria.
Yes. We support all subjects across both Higher Level (HL) and Standard Level (SL) pathways, tailoring lessons to the different depths and exam structures of each level.
Yes. Our tutors provide source analysis, project planning, and detailed reviews according to the official IB grading rubrics. Tutors guide the process but do not write coursework for students.
Yes. We have dedicated core component mentors who assist with critical thinking, research methods, citation formats, essay structure, and exhibition planning for both TOK and the Extended Essay.
Yes. Strong performances in mock exams and class assignments directly influence predicted grades. Consistent tutoring throughout DP1 and early DP2 helps students secure higher predicted grades for UCAS and admissions.
We support all six IB subject groups, including Mathematics (AA & AI), Biology, Chemistry, Physics, Economics, Business Management, English A, History, Psychology, Computer Science, and creative arts.
Ready to Lift Your Child's IB Diploma Score?
Book a Free Trial With an Expert Online IB Tutor
Book a free trial lesson today. We'll identify gaps across HL and SL subjects, the IAs and the Core, and design a personalised plan to lift predicted grades and final IB scores.