matric

The final year of high school.

Someone in their final year of high school.

Once, when some money disappeared […], it was Ben who took the cleaner under his wing and instituted inquiries which revealed a group of matric boys to be the culprits.

Of or pertaining to matrices.

But throughout this book we look upon the matric algebras as our primary object;

[…] the possibility of using matric methods to solve analysis and synthesis problems becomes apparent.