Education

Sometimes, school marks are moderated. That is, the actual marks are adjusted to better reflect students' performances. For example, if an exam is very easy compared to another, you may want to scale down the marks on the easy exam to make it comparable. I was testing out the impact of moderation. In this video, I'll try and walk through the impact, visually, of using a simple scaling formula. BTW, this set of videos is intended for a very specific audience. You are not expected to understand this. ...

This earlier visualisation was revised based feedback from teachers. It’s split into two parts: one focused on performance by subject, and another on performance of each student. Students’ performance by subject This is fairly simple. Under each subject, we have a list of students, sorted by marks and grouped by grade. The primary use of this is to identify top performers and bottom performers at a glance. It also gives an indication of the grade distribution. ...

I’ve been helping with visualising student scores for ReportBee, and here’s what we’ve currently come up with. Each row is a student’s performance across subjects. Let’s walk through each element here. The first column shows their relative performance across different subjects. Each dot is their rank in a subject. The dots are colour coded based on the subject (and you can see the colours on the image at the top: English is black, Mathematics is dark blue, etc.) ...

This vacation, I took a session each for class XI and XII at my school, Vidya Mandir. The subject was Computer Science (the only one I can teach with some confidence), and the topic was networks. It was an experiment, in two parts. The first was to understand how students of this generation interact with the Internet. (I'm twice as old as them, so I guess they qualify as the next generation.) The second was to see whether I'd leave them far behind, or they'd leave me far behind. ...

The Six-Lesson Schoolteacher, by John Taylor Gatto, New York State Teacher of the Year, 1991. (The first part of it is sarcastic. This man is speaking passionately of things he despises in the education system.) The first lesson I teach is: “Stay in the class where you belong.” I don’t know who decides that my kids belong there but that’s not my business. The second lesson I teach kids is to turn on and off like a light switch. I demand that they become totally involved in my lessons, jumping up and down in their seats with anticipation, competing vigorously with each other for my favor. ...

Sir Ken Robinson’s TED Talk on education is brilliant and funny. Some quotes that struck me: If you think of it, children starting school this year will be retiring in 2065. Nobody has a clue, despite all the expertise that has been on parade the last four days, what the world will look like in five years’ time. And yet we’re meant to be educating them for it. So the unpredictability, I think, is extraordinary. ...