Every year, thousands of families in Kanpur make one of the most consequential decisions of a student's academic life: which IIT JEE coaching to join. And every year, a significant number of them make that decision based on the wrong criteria — glossy brochures, celebrity endorsements, or simply which institute their neighbour's child joined.

After 20 years of teaching IIT JEE in Kanpur, I have seen the pattern repeat itself. Students join large institutes expecting the brand to do the work. Two years later, they are either repeating the year or settling for a college that was never their goal. The institute moves on to the next batch. The student carries the cost.

This article is about how to make a better decision. Not by listing institutes, but by giving you the five questions that actually predict whether a coaching will work for your child.

Question 1: Who Exactly Will Teach My Child — Not the Brand, the Person?

This is the single most important question, and it is the one most parents forget to ask. When you visit a coaching institute, you will be shown photographs of IITians, testimonials from toppers, and a list of faculty credentials. What you need to ask is: which specific teacher will take my child's Physics class on Monday morning?

Large coaching chains have a well-known practice: they advertise their best faculty in marketing materials, but those faculty teach only the "elite" or "advanced" batches. Regular batches — which is where most students end up — are taught by junior teachers, often fresh graduates with little teaching experience.

The question to ask is not "do you have IITian faculty?" but "will the founder or senior faculty personally teach my child's batch?" If the answer is vague, that tells you everything.

At INTERFACE Classes, I teach every batch personally. That is not a marketing line — it is the only way I know how to run a coaching. When a student has a doubt at 9 PM, they can call me. When a concept is not landing, I adjust the approach in the next class. This level of involvement is only possible when the teacher is also the owner.

Question 2: What Is the Batch Size?

Batch size is a proxy for how much individual attention your child will receive. In a batch of 200 students, a teacher cannot know which students are struggling with Newton's third law and which ones have already moved on. In a batch of 25–30, the teacher knows every student by name, knows their weak areas, and can call on them specifically to check understanding.

The economics of large coaching institutes require large batches. A 300-seat auditorium filled with students paying ₹1.5 lakh each generates ₹4.5 crore per batch. The incentive is always to fill more seats, not to cap them.

Small batches are a deliberate choice that costs the institute revenue. When a coaching voluntarily caps batches at 30, it signals that the priority is outcomes, not throughput.

Ask any institute you visit: what is the maximum batch size, and is that a hard cap or a guideline? The answer will tell you a great deal about their philosophy.

Question 3: Is There Faculty Rotation?

Faculty rotation — where the teacher changes mid-year or between years — is one of the most underappreciated problems in JEE coaching. When a new teacher takes over a batch, they need weeks to understand the level of the students, their gaps, and the pace at which the previous teacher was moving. That transition time is lost preparation time.

More importantly, the relationship between a student and their teacher is not just transactional. A good teacher knows when a student is anxious before a test, when they are coasting, and when they need to be pushed. That knowledge takes months to build. Faculty rotation destroys it.

Ask the institute: has the Physics teacher for the JEE batch changed in the last three years? If the answer is yes, ask why. High faculty turnover is a sign of either poor working conditions or a business model that treats teachers as interchangeable resources.

Question 4: What Is the Real Track Record — Not the Claims?

Every coaching institute in Kanpur claims results. "500 selections in IIT JEE" sounds impressive until you ask: out of how many students? If 500 students selected out of 5,000 enrolled, that is a 10% success rate. If 15 students selected out of 30 enrolled, that is 50%.

Ask for the number of students enrolled in the batch, not just the number of selections. Ask for the names of students who cleared JEE Advanced — not just JEE Mains — and which IITs they joined. Ask if you can speak to a parent of a recent student.

Verifiable results matter. Amulya Sharma, who studied at INTERFACE Classes, secured admission to IIT Roorkee. Aditya Gautam joined BITS Pilani. These are not anonymous statistics — they are real students from Kanpur whose families you can speak to. That is the kind of track record that should give you confidence.

Question 5: Is the Teaching Conceptual or Rote?

IIT JEE, particularly JEE Advanced, is designed to test conceptual understanding, not memorisation. A student who has memorised 500 formulas but does not understand why those formulas work will struggle with the multi-concept problems that JEE Advanced is famous for.

The difference between conceptual and rote teaching is visible in how a teacher handles a question they have not seen before. A rote teacher will say "this type of problem is not in the syllabus." A conceptual teacher will break it down from first principles and show the student how to approach any unfamiliar problem.

When you sit in a demo class, pay attention to whether the teacher is explaining the "why" behind each step, or just showing the "how." Ask the teacher: if a student encounters a problem they have never seen before in the exam, what is the approach? The answer will reveal the teaching philosophy.

Why INTERFACE Classes Answers All 5

I am not writing this article to sell you on INTERFACE Classes. I am writing it because I have seen too many students waste two years at the wrong institute. But since you are reading this, it is fair to explain how INTERFACE answers each of these questions.

Who teaches: I teach every batch personally. I am Omendra Bharat, M.Tech from IIT Kanpur, and I have been teaching IIT JEE from the same classroom in Kidwai Nagar since 2004. No junior faculty, no outsourcing.

Batch size: We cap every batch at 30 students. This is a hard limit. When a batch is full, we open a new one rather than squeeze in more students.

Faculty rotation: There is none. I have been the primary teacher at INTERFACE for over 20 years. Students who joined in 2004 and students who join today get the same teacher.

Track record: Our results are verifiable. Amulya Sharma (IIT Roorkee), Aditya Gautam (BITS Pilani), and many others. We have been at the same address for 20+ years — if our results were not real, we would not still be here.

Teaching approach: Everything at INTERFACE is taught from first principles. JEE Advanced problems are not solved by formula recall — they are solved by understanding. That is the only approach I know.

"The question I always ask parents is: do you want your child to be taught by the person whose name is on the brochure, or by someone hired last month? At INTERFACE, those are the same person — and they always will be." — Omendra 'Bharat'

Watch: About INTERFACE Classes Kanpur

One More Thing: Stability Matters

There is a sixth factor that does not fit neatly into a question, but it matters enormously: institutional stability. An institute that has been at the same address for 20+ years, with the same founder teaching, is not going anywhere. You are not betting on a startup. You are joining something that has already proven itself over two decades.

New institutes open every year in Kanpur. Some of them have excellent marketing. Some of them have genuinely good intentions. But a two-year JEE preparation journey requires an institute that will be there for both years — and ideally for the drop year if it comes to that. Longevity is not glamorous, but it is a form of reliability that no brochure can fake.

How to Use These Questions

Before you visit any coaching institute in Kanpur, write these five questions on a piece of paper and bring it with you. Ask them directly. If the admissions counsellor deflects, escalates to marketing language, or cannot give you a straight answer, that is your answer.

The best coaching for your child is the one where a senior, experienced teacher will personally know your child's name, their weak areas, and their progress — every week, for two years. Everything else is secondary.

If you would like to visit INTERFACE Classes and ask these questions in person, we are at Y Block, Kidwai Nagar, Kanpur. You can also call us at 9956978830 or 9696438488. We are happy to answer every one of them.

Omendra 'Bharat'

Founder & Director, INTERFACE Classes. M.Tech, IIT Kanpur. 20+ years of IIT JEE and NEET teaching experience. Teaching personally at INTERFACE Classes, Kidwai Nagar, Kanpur since 2004.

Next: NEET Preparation — Why Physics Decides Your Rank