This story is part of “How Tech Changed It” — The Better India’s series that looks at how technology has transformed the sectors, systems and everyday experiences around us. From how we travel and learn to how we farm, build, communicate and access healthcare, each story traces the journey from what it was like before to what it looks like today. Because technology isn’t just about new gadgets or breakthroughs — it can change how an entire sector works, making things faster, smarter, safer, more accessible and more efficient.

For a child in Sarai Tand, Bihar, a science lesson can now begin with something once missing from the classroom: a chance to see what the teacher is explaining.

In this village, nearly 63 km from Gaya’s district centre, students from six nearby villages walk or take shared vehicles to reach Government Higher Secondary School. For many, the school is their closest route to opportunities beyond their villages.

Today, one room in the school looks a little different from the rest. The school has created a dedicated Smart Classroom where teachers can use an interactive digital panel to bring lessons to life.

A chapter that once depended largely on a textbook, blackboard and verbal explanation can now include animations, visual demonstrations, practice activities and assessments.

For a student who finds a concept difficult to understand from words alone, seeing it unfold on a screen can make the same lesson easier to grasp.

The classroom is now being used by 660 students and 14 teachers across grades. And because the learning content is........

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