IBDP • Exams & Scheduling • Written by the PrepSeven Editorial Team, reviewed by certified IB Examiners
IB May vs November Exams: Complete Student Guide
Most IB students never have to think twice about which exam session they’re sitting — their school runs on one fixed annual cycle, and that’s simply when exams happen. But a meaningful number of students do encounter a genuine choice or complication around session timing: schools in the Southern Hemisphere often run on a November cycle instead of May, students transferring between schools sometimes need to navigate a session mismatch, and students considering a retake need to understand exactly how the alternate session works. This guide, from PrepSeven’s team of certified and former IB examiners, lays out exactly what differs between the May and November sessions, what stays the same, and how to think through session-related decisions if you’re one of the students for whom this genuinely matters.
Why the IB Runs Two Annual Sessions
The IB Diploma Programme is taught in schools across the Southern and Northern Hemispheres, which run on opposite academic year calendars. A school in Australia or South Africa following a January-to-December academic year needs its DP exams to align with that calendar, just as a school in the UK or India following a September-to-June academic year needs exams timed differently. Rather than forcing every school worldwide onto a single calendar, the IB runs two full exam sessions each year — one in May, primarily serving Northern Hemisphere schools, and one in November, primarily serving Southern Hemisphere schools — so that each school’s DP exams align naturally with its own academic year.
What’s Actually Different Between the Two Sessions
Timing and Academic Calendar Alignment
The most fundamental difference is simply when each session falls within the academic year: the May session concludes the DP for schools running a typical Northern Hemisphere academic year (roughly August/September to June), while the November session concludes the DP for schools running a Southern Hemisphere calendar (roughly January to November).
Cohort Size
The May session is significantly larger globally, since the majority of IB World Schools follow a Northern Hemisphere academic calendar. The November session serves a smaller, though still substantial, global cohort concentrated in Southern Hemisphere regions and specific international schools that align with that calendar for other reasons.
Results Timing
Results for the November session are typically released in early January, while results for the May session are typically released in early July — timed to align with each region’s own university application and enrolment calendars.
University Application Alignment
For students applying to Northern Hemisphere universities (UK, US, most of Europe), the May session’s July results timing aligns naturally with typical autumn university intake and confirmation processes. Students in the November cohort applying to Northern Hemisphere universities sometimes need to navigate the fact that their results arrive several months ahead of typical Northern Hemisphere intake, which can affect deferred entry planning or how predicted versus final grades are used in the application process.
What Stays Exactly the Same Between Sessions
It’s just as important to understand what doesn’t change: the actual DP syllabus content, assessment criteria, grading standards, and Diploma requirements are identical regardless of which session you sit. A 7 earned in the November session represents the same standard of achievement as a 7 earned in May — sessions differ in timing and administrative logistics, not in academic rigour, difficulty, or how seriously either session’s results are regarded by universities and employers.
Considerations for Students Choosing Between Sessions
For most students, session choice isn’t really a choice at all — it’s determined by which academic calendar your specific school follows. However, a smaller number of students do face genuine session-related decisions, most commonly around retakes, gap years, or transfers between schools on different calendars.
Retaking Exams in an Alternate Session
A student who wants to retake one or more subjects after an initial attempt can, in many cases, sit the retake in the next available session — which might be the opposite-hemisphere session rather than waiting a full year for the same one. This can meaningfully shorten the wait before a retake opportunity, though it requires coordinating with your school and confirming the specific registration process, since retake logistics can vary by school and circumstance.
Gap Years and Delayed University Entry
Students taking a gap year sometimes have more flexibility to consider timing implications of their session relative to when they plan to start university, since the pressure to align results precisely with a specific intake cycle is reduced when there’s already a planned gap before enrolment.
Transferring Between Schools on Different Calendars
A student transferring from a Southern Hemisphere school to a Northern Hemisphere one (or vice versa) partway through the DP may need to navigate a session mismatch directly with both schools’ coordinators, since this can affect exactly which subjects, IAs, and core components need to be completed and when.
Strategic Considerations, Not Just Logistics
- Smaller cohort effects: some students speculate about whether a smaller November cohort affects grade boundaries, but boundaries are set based on that session’s own paper difficulty and performance, not directly by cohort size, so this shouldn’t be treated as a meaningful strategic factor.
- Resource availability: because the May session is larger, some past paper archives, community discussion resources, and revision materials are more abundant for May-session subjects, which can occasionally matter for independent revision planning around a November session.
- School support timing: November session students should confirm their school’s specific revision and mock exam schedule early, since November sits at a different point in many international support providers’ typical calendar compared to the more heavily-serviced May peak.
What To Do If You’re in the November Cohort and Feel Under-Resourced
Because the global IB tutoring and resource ecosystem skews toward supporting the larger May cohort, November-session students sometimes find slightly less abundant free content, discussion, and past paper availability at certain points in the year. If this describes your situation, prioritise official IB-provided resources and specimen papers where past papers are scarce, confirm early with your school exactly what mock exam and internal deadline schedule applies to your specific session, and consider that a subject-specialist tutor familiar with your specific session’s timeline can help fill gaps that generic, May-oriented content sometimes leaves.
How PrepSeven Supports Both May and November Session Students
PrepSeven works with students across both exam sessions, and our certified and former IB examiners tailor revision timelines, past paper practice, and mock exam scheduling to whichever session a specific student is actually sitting — rather than assuming a single, May-centric calendar. This matters particularly for November-session students, who benefit from a support structure explicitly built around their own timeline rather than a generic one designed for the larger cohort.
- Revision and mock exam scheduling built around your specific session’s actual timeline
- Support for both May and November cohort students across all DP subjects
- Guidance for students navigating retakes, transfers, or session-related complications
- Access to structured practice materials regardless of which session you’re preparing for
Frequently Asked Questions
Q1. Is the November session considered easier or less prestigious than May?
No — both sessions apply identical DP standards, criteria, and grading processes, and universities recognise results from either session equally. The difference is purely one of calendar timing, not academic rigour or prestige.
Q2. Can I switch from my school’s assigned session to the other one?
This isn’t typically a free choice for most students, since your session is generally tied to your school’s academic calendar, but retakes and specific individual circumstances (such as transfers) can sometimes allow for sitting an alternate session — always confirm the specific process directly with your school’s DP coordinator.
Q3. How many times can I retake IB exams?
Specific retake policies and limits should be confirmed directly with your school’s DP coordinator, since exact rules and any associated registration processes can vary and are managed at the school and IB registration level rather than being fully standardised for every individual circumstance.
Q4. Do November session results arrive in time for typical university application deadlines?
Generally yes, since results are timed to align with the Southern Hemisphere’s own university calendar — but November-session students applying to Northern Hemisphere universities should check specific deadline alignment with their target universities, since intake calendars differ by region.
Q5. Are grade boundaries different between May and November sessions?
Grade boundaries are set independently for each specific session based on that session’s own paper difficulty and cohort performance, so boundaries can differ between May and November in a given subject, but this reflects normal session-to-session variation rather than one session being inherently easier.
Q6. Is past paper availability different for November-session subjects?
Since the global May cohort is larger, some community-compiled revision resources and discussion may be more abundant for May-session subjects, though official IB past papers and specimen materials are available for both sessions through schools.
Q7. What should I do if I’m transferring schools between different hemisphere calendars mid-DP?
Coordinate directly and early with both your current and prospective school’s DP coordinators, since session transfers can affect which subjects, IAs, and core components need completing and on what timeline, and these details need to be managed individually rather than assumed to transfer automatically.