Meaning of "subjct displine"

Hi~ in the following sentences, I don't know what the words "subjct displine" mean.

Could you give me some explanation about the meaning?

Thanks~

In performance assessment schools, skills such as inquiry discussion and
writing are linked to subject discipline courses that emphasize depth over
coverage, which offer students a range of options based on their interests.
The curriculum promotes equity by both grounding students in “the
canon” (i.e., familiarizing them with great works of established literature,
exposing them to key events in history, showing them how to conduct a
proper experiment, teaching them how to approach math applications,
etc.) while also encouraging them to formulate new questions and seek
answers in different ways. This helps students plug in to the disciplines by
matching them to their more specific concerns.