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Board Exams

HSC 12th Science Board Exam 2027: Dates, Marks Split and a Month-by-Month Study Plan

Tentative HSC 2027 dates, how marks are split between theory and practicals, and a month-by-month plan that also keeps your JEE, NEET or CET preparation on track.

Science students at Phadke Classes during a mock test

Key takeaways

  • The Maharashtra Board has announced a tentative HSC 2027 schedule: practicals and internals 20 January – 6 February 2027, written exams 8 February – 16 March 2027.
  • Physics, Chemistry and Biology are typically 70 theory + 30 practical; Mathematics & Statistics is 80 theory + 20 internal.
  • The pass mark is 35% per subject.
  • Board marks matter for admissions, and the same State Board syllabus is the basis for MHT-CET.

Last checked: 25 October 2026. Exam rules and dates change every year. Always confirm on the official websites linked under “Sources” before you plan.

When is the HSC 12th board exam in 2027?

The Maharashtra State Board (MSBSHSE) has announced tentative dates: HSC written exams from 8 February to 16 March 2027, with practicals, orals and internal assessments from 20 January to 6 February 2027. The subject-wise timetable will be published by the Board; always use the official timetable from mahahsscboard.in once it is released.

For context, the 2026 HSC written exams ran from 10 February to 18 March 2026, and the results were declared by 2 May 2026, with an overall pass percentage of 89.79%.

How are HSC Science marks split?

SubjectTheoryPractical / InternalTotal
Physics7030100
Chemistry7030100
Biology7030100
Mathematics & Statistics8020100

You need at least 35% in each subject to pass. Practical marks are not a formality — 30 marks per science subject can lift your percentage significantly, so prepare journals, experiments and viva answers properly.

A month-by-month plan (November to March)

MonthBoard focusEntrance focus (JEE / NEET / CET)
NovemberFinish the syllabus; start writing full answers for 5- and 3-mark questionsContinue regular entrance practice; weekly mock
DecemberFirst full revision; solve the last few years’ board papers under timeJEE aspirants: final push for Session 1
JanuaryPracticals and journals (from 20 January); second revisionJEE Session 1 (20–28 January)
FebruaryWritten exams begin 8 February; paper-wise revision, rest, timing20–30 minutes of MCQs daily to keep speed
MarchFinish exams (till 16 March)Switch to full entrance mocks after the last paper

How to write better board answers

  • Start with the definition or law, then the derivation or explanation, then a labelled diagram where relevant.
  • Show every step in numericals, with units — step marking rewards method.
  • Underline key terms and keep answers to the length the marks suggest.
  • Practise under time at least twice a week from December.

How Phadke Classes helps 12th students

Our 11th–12th Science course covers Physics, Chemistry, Mathematics, Biology and Computer Science for the State Board, with a board-pattern test series and analysis after every test. CBSE and ISC students can see our CBSE, ICSE & ISC course. Enquire for your branch.

Frequently asked questions

When will the HSC 12th exam 2027 start?

As per the tentative schedule announced by the Maharashtra Board, HSC written exams are planned from 8 February to 16 March 2027, with practicals and internal assessments from 20 January to 6 February 2027. Check the official subject-wise timetable on mahahsscboard.in.

What is the passing mark in HSC?

Students need at least 35% in each subject to pass.

How many marks are practicals in HSC Physics?

Physics, Chemistry and Biology typically have 70 marks of theory and 30 marks of practicals.

Do HSC marks matter for engineering admissions?

Yes. Class 12 marks are part of eligibility for several admission processes, and the MHT-CET paper is based on the State Board syllabus, so strong board preparation also helps your CET score.

Sources