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A few weeks with a stand-in teacher is normal. A whole term of free periods, a different substitute every week, or a maths class being taken by the PE teacher is not something you have to accept. Three things limit the damage: a written question to the school, a short list of topics to cover at home, and a record of what has been taught.
Why does a school go months without a regular teacher?
Usually it is a staffing problem, not a problem with your child's school alone. UNESCO's State of the Education Report for India 2021, No Teacher, No Class found the teaching workforce has a deficit of over 1 million teachers at current student strength. The same report says the availability and deployment of subject teachers is not well documented or monitored, so a missing physics or maths teacher can go unnoticed above school level.
The law does set a limit for schools run or substantially funded by the government or a local authority. Section 26 of the Right of Children to Free and Compulsory Education Act, 2009 says teacher vacancies in such schools shall not exceed ten per cent of the total sanctioned strength. For Classes 6 to 8, the Act's Schedule asks for at least one teacher each for science and mathematics, social studies and languages.
Does a gap really matter? A 2009 study of North Carolina schools by Clotfelter, Ladd and Vigdor found teacher absences were associated with lower student achievement in elementary grades. It looked at absences, not long vacancies, so treat it as a warning sign rather than a measure of the harm.
What should you ask the school?
Ask in writing, politely, and ask for dates. A diary note or short email to the principal creates a record that a corridor complaint does not. Our guide to asking your child's school for extra help in writing has more on tone and follow-up.
Here is a script you can adapt:
The four questions that matter most:
Who is teaching the subject now, and is it a subject specialist?
Which chapters have been completed, and which are still pending?
When is the post expected to be filled?
Will exams be adjusted, or will there be extra classes for missed chapters?
In a government or aided school, you can also raise it with the School Management Committee. Section 21 of the RTE Act gives the committee the job of monitoring the working of the school. Ask other parents in the class to send similar notes, because one shared question is harder to ignore than one complaint.
How do you fill key topics at home without becoming the teacher?
You do not need to teach the whole syllabus. You need to protect the chapters that later chapters build on. A simple way to sort them:
Foundation chapters: everything else depends on them. In maths, that means algebra before coordinate geometry; in physics, motion before force. Cover these at home first.
Exam-heavy chapters: check the marks weightage in the official syllabus and give these the next slot.
Standalone chapters: they can wait until a regular teacher arrives, or be done from the textbook alone.
A worked example: Riya is in Class 9 and has had no regular science teacher for three months. Her class has not yet reached motion or the laws of motion. Motion comes first because the laws of motion build directly on velocity and acceleration. She spends three 40-minute sessions a week on the textbook examples and exercises for motion, then moves on to force.
When your child is stuck on an idea rather than a problem, the Fermi Concept Library gives every concept in physics, chemistry, biology and mathematics its own lesson and its place in the map.
How do you keep track of syllabus coverage?
Start from the official list, not the class notebook. CBSE publishes each year's curriculum for Classes 9 to 12; state boards publish their own. Make a one-page sheet with every chapter and three columns:
Taught in school (date, and by whom)
Covered at home
Tested (class test, unit test or worksheet)
Update it once a week. If a chapter sits in the first column empty for more than a month, that goes in your next note to the school. The same idea for older students is in our guide to making a one-sheet syllabus tracker.
If it happens anyway, our article on what to do when a test includes chapters you haven't been taught walks through the next steps. Keep the tone calm at home: the staffing gap is the school's to solve, and your child's job is to keep the foundation chapters solid.
