A few weeks ago, I was thinking about the US education format regarding grade levels—you know, “K–12” and all that—and my thoughts had turned to the Metric System. I got to thinking: just as a hypothetical reality, how might one convert the current system to an explicitly decimalised one? Not necessarily a Metric one, mind you, but one at least that’s decimal.

Note that, in this post, I’m only referring to compulsory education, hence the
“K–12” mention; therefore, I’m not including preschool, college, or any other stage outside the typical American framework of (K)+(Primary)+(Secondary).

The first step, of course, would be to decide, “How am I going to divide the grades?” There are other, more complex, and probably more reliable ways to do this, but we’re not going to address them here. It would require much more research than is feasible for me at the moment, so we’ll just have to settle for the straightforward approach this time.

The “straightforward approach” here would be to take 13 and divide it by 10, in which case each grade in this new decimalised format would be equivalent to a progression of 1.3 grades in the original format. (The number of grades in the old system is 13 because I’m counting Grades 1–12 plus the preceding Kindergarten.)

A comparative scale might look something like this:

Grade Scale 1

Or, something like this:

Grade Scale 2


= Graduation


Image Credit: “Blockletter 2×3, 2×8, 2×10 Mold”, by WRme2
Released under an Attribution-NonCommercial 2.0 Generic (CC BY-NC 2.0) licence.
Image has not been changed.


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