It is, but this will have to wait until late high school, when kids are old enough for matrices and complex numbers and Dirac equation and the origin of 2x^2 (2

It is, but this will have to wait until late high school, when kids are old enough for matrices and complex numbers and Dirac equation and the origin of 2x^2 (2, 8, 18, 32 — the electron shells etc). You still can have meaningful and useful exercises meanwhile.