Class 12

Olympiads for Class 12.

17 olympiads are open to Class 12 students. Here is each one, when it usually happens, and how to prepare without overdoing it.

Olympiads a Class 12 student can sit

Olympiads a Class 12 student can sit
OlympiadRun bySubjectsClassesFirst stage usually
SOF IMO
International Mathematics Olympiad
Science Olympiad Foundation (SOF)Maths, ReasoningClasses 1–12October to December
SOF ISO (NSO)
International Science Olympiad
Science Olympiad Foundation (SOF)Science, ReasoningClasses 1–12October to December
SOF IEO
International English Olympiad
Science Olympiad Foundation (SOF)EnglishClasses 1–12September to November
SOF ICO
International Commerce Olympiad
Science Olympiad Foundation (SOF)CommerceClasses 11–12November to January
SilverZone iOM
International Olympiad of Mathematics
SilverZone FoundationMaths, ReasoningClasses 1–12October to December
SilverZone iOS
International Olympiad of Science
SilverZone FoundationScience, ReasoningClasses 1–12October to December
SilverZone iOEL
International Olympiad of English Language
SilverZone FoundationEnglishClasses 1–12October to December
SilverZone iIO
International Computer Science Olympiad
SilverZone FoundationComputers, ReasoningClasses 1–12September to November
Math Kangaroo India
Mathematical Kangaroo Competition
International Olympiad Academy (Kangourou sans Frontières member for India)MathsClasses 1–12April
IOQM
Indian Olympiad Qualifier in Mathematics
Mathematics Teachers’ Association (India) and HBCSEMathsClasses 8–12September
RMO and INMO
Regional Mathematical Olympiad and Indian National Mathematical Olympiad
Homi Bhabha Centre for Science Education (HBCSE)MathsClasses 8–12November
IMO
International Mathematical Olympiad
HBCSE, which selects India’s teamMathsClasses 8–12September
NSEP
National Standard Examination in Physics
Indian Association of Physics Teachers (IAPT) and HBCSEPhysicsClasses 10–12November
NSEC
National Standard Examination in Chemistry
Indian Association of Physics Teachers (IAPT) and HBCSEChemistryClasses 10–12November
NSEB
National Standard Examination in Biology
Indian Association of Physics Teachers (IAPT) and HBCSEBiologyClasses 10–12November
NSEA
National Standard Examination in Astronomy
Indian Association of Physics Teachers (IAPT) and HBCSEAstronomyClasses 10–12November
ICO (ZIO, ZCO, INOI)
Indian Computing Olympiad
Indian Association for Research in Computing Science (IARCS)InformaticsClasses 1–12November to December

Ado is not affiliated with any of these olympiads or their organisers.

What olympiads look like in Class 12

Class 12 is the final school year, and almost everything competes for the same months: board exams, practicals, entrance exams and, for some, college applications. Olympiads still have a place, but for most students it is a smaller and more deliberate one than in earlier years.

School olympiads continue for Class 12, built on the Class 12 syllabus and written in school. For a student already revising those chapters for the boards, they can serve as a timed, slightly harder check on how ready they are. Many Class 12 students sit none, and that is a perfectly sensible choice.

The national olympiad pathway in maths and science is still open in Class 12 for students who meet each olympiad’s age and class rules, and for some this is the year they have prepared for. Its first stages usually fall in the second half of the year, written at exam centres, with later stages through winter and spring that can overlap with board practicals and entrance exams. Each olympiad’s page on the olympiads hub lists its stages and eligibility.

A student reading this for themselves should know one thing: an olympiad in Class 12 is worth doing only if it adds something you want, whether that is a challenge you enjoy, a goal you have worked towards, or practice that overlaps with what you are already studying. It is not compulsory, and leaving it out is not falling behind.

How much to prepare

For a student continuing on the pathway after earlier years of work, a few focused hours a week on past papers and weak areas, mostly before the first-stage exam, is usually enough to keep sharp. Large amounts of new material are hard to absorb in Class 12.

For school olympiads, no separate preparation is really needed beyond board revision and one or two timed sample papers in the weeks before.

For a student who has never prepared for the pathway, starting it from scratch in Class 12 alongside the boards and entrance exams is rarely a good trade.

A simple plan

A Class 12 plan that keeps the year manageable:

  1. April: decide, with a teacher if possible, which olympiads, if any, are worth sitting this year. Two at most.
  2. May to August: if on the pathway, timed past papers once a week and a review after each. Keep board chapters moving alongside.
  3. The first-stage exam: prepare for it as the last big olympiad push. Check the date on the organiser’s site early.
  4. After it: turn fully to boards and entrance preparation. If selected for a later stage, plan with a teacher how much time to give it.
  5. Pre-boards and practicals: no new olympiads. A school olympiad here, if already registered, is a mock and nothing more.
  6. January onwards: boards, entrance exams and rest, in that order.

What helps, and what doesn’t

What helps:

  • An honest early decision. Many students carry a vague plan to “do some olympiads” into Class 12 and end up stressed by it. Deciding in April prevents that.
  • Thinking of olympiad work as problem-solving practice that also helps entrance exams and college study.
  • Parents taking care of logistics and calm: dates, centres, travel and food, so the student can think.
  • Rest and exercise, built into the week on purpose, not left to chance.

What doesn’t:

  • Chasing one last certificate at the expense of board revision.
  • Restarting a subject’s pathway from zero in the final year.
  • Reading too much into results. An olympiad result in Class 12 is a single day’s paper, not a verdict on a student’s future.
  • Comparing with friends’ plans. Each student’s mix of boards, entrance exams and olympiads is different.

The olympiad prep guide has more on sleep, stress and reviewing mistakes, and the calendar shows how the year usually runs.

Where daily practice fits

In a year this full, a short daily quiz is mainly a way to stay sharp in subjects that aren’t on the revision timetable. Ado’s free daily quiz is 8 questions, including a 60-second sprint, across maths, science, English, GK, reasoning, social studies and current affairs, ranked only against students the same age. Its rank builds from a student’s top three subjects and never resets, and it supports a routine without claiming to prepare anyone for an olympiad.

Class 12 practice questions

Other classes

The olympiad calendar, month by month · How to prepare for an olympiad

Practice a little, every day

Ado is a free daily quiz in maths, science, English, GK and reasoning, ranked only against students the same age. The Ado Rank it builds never resets.

Set up for your child

For parents of students aged 6–17.

What the Ado Rank is